Gnuplot: An Interactive Plotting Program

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                       GNUPLOT

            An Interactive Plotting Program
             Thomas Williams & Colin Kelley
                Version 4.6 organized by:
    Hans-Bernhard Broeker, Ethan A Merritt, and others

   Copyright (C) 1986 - 1993, 1998, 2004   Thomas Williams, Colin Kelley
           Copyright (C) 2004 - 2011  various authors

       Mailing list for comments: gnuplot-info@lists.sourceforge.net
     Mailing list for bug reports: gnuplot-bugs@lists.sourceforge.net

         This manual was originally prepared by Dick Crawford
                   Version 4.6 - December 2011


Major contributors (alphabetic order):

1 gnuplot

1.1 Ãøºî¸¢ (Copyright)

    Copyright (C) 1986 - 1993, 1998, 2004, 2007  Thomas Williams, Colin Kelley

Permission to use, copy, and distribute this software and its documentation for any purpose with or without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation.

Permission to modify the software is granted, but not the right to distribute the complete modified source code. Modifications are to be distributed as patches to the released version. Permission to distribute binaries produced by compiling modified sources is granted, provided you

  1. distribute the corresponding source modifications from the
   released version in the form of a patch file along with the binaries,
  2. add special version identification to distinguish your version
   in addition to the base release version number,
  3. provide your name and address as the primary contact for the
   support of your modified version, and
  4. retain our contact information in regard to use of the base
   software.

Permission to distribute the released version of the source code along with corresponding source modifications in the form of a patch file is granted with same provisions 2 through 4 for binary distributions.

This software is provided "as is" without express or implied warranty to the extent permitted by applicable law.

      AUTHORS

      Original Software:
         Thomas Williams,  Colin Kelley.

      Gnuplot 2.0 additions:
         Russell Lang, Dave Kotz, John Campbell.

      Gnuplot 3.0 additions:
         Gershon Elber and many others.

      Gnuplot 4.0 additions:
         See list of contributors at head of this document.

(°Ê²¼¤ª¤ª¤Þ¤«¤ÊÌõ; Ìõ¤ÏÀµ¤·¤¯¤Ê¤¤¤«¤âÃΤì¤Þ¤»¤ó¤Î¤Ç¾Ü¤·¤¯¤Ï¾åµ­¤Î¸¶Ê¸ ¤òÅö¤¿¤Ã¤Æ¤¯¤À¤µ¤¤¡£Ìõ¼Ô¤ÏÀÕǤ¤ò»ý¤Á¤Þ¤»¤ó¡£)

    Copyright (C) 1986 - 1993, 1998, 2004, 2007  Thomas Williams, Colin Kelley

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      Ãø¼Ô

      ¥ª¥ê¥¸¥Ê¥ë¥½¥Õ¥È¥¦¥§¥¢:
         Thomas Williams,  Colin Kelley.

      Gnuplot 2.0 ÄɲÃ:
         Russell Lang, Dave Kotz, John Campbell.

      Gnuplot 3.0 ÄɲÃ:
         Gershon Elber ¤È¤½¤Î¾¤Î¿Í¡¹¡£

      Gnuplot 4.0 ÄɲÃ:
         ¤³¤Îʸ½ñ¤ÎºÇ½é¤Ë¤¢¤ë´óÍ¿¼Ô (contributors) ¤Î¥ê¥¹¥È»²¾È¡£

1.2 ¤Ï¤¸¤á¤Ë (Introduction)

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‘gnuplot‘ ¤Î¥³¥Þ¥ó¥É¸À¸ì¤ÏÂçʸ»ú¾®Ê¸»ú¤ò¶èÊ̤·¤Þ¤¹¡£¤¹¤Ê¤ï¤Á¡¢¾®Ê¸»ú¤Ç ½ñ¤«¤ì¤¿¥³¥Þ¥ó¥É¤ä´Ø¿ô̾¤Ï¡¢¤½¤ì¤é¤òÂçʸ»ú¤Ç½ñ¤¤¤¿¤â¤Î¤È¤ÏƱ¤¸¤Ç¤Ï¤¢¤ê ¤Þ¤»¤ó¡£¤¤¤º¤ì¤Î¥³¥Þ¥ó¥É¤â¡¢¤¢¤¤¤Þ¤¤¤µ¤Î̵¤¤¸Â¤ê¤Ë¤ª¤¤¤Æ¾Êά¤¹¤ë¤³¤È¤¬ ¤Ç¤­¤Þ¤¹¡£1 ¹ÔÃæ¤Ë¤Ï¥»¥ß¥³¥í¥ó (;) ¤Ç¶èÀڤäÆÊ£¿ô¤Î¥³¥Þ¥ó¥É¤ò½ñ¤¯¤³¤È ¤¬¤Ç¤­¤Þ¤¹¡£Ê¸»úÎó¤Ïñ°ì°úÍÑÉä¡¢¤¢¤ë¤¤¤ÏÆó½Å°úÍÑÉä¤Î¤É¤Á¤é¤«¤Ç½ñ¤­»Ï¤á ¤Þ¤¹¤¬¡¢Î¾¼Ô¤Ë¤ÏÈù̯¤Ê°ã¤¤¤¬¤¢¤ê¤Þ¤¹ (¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: ‘syntax‘)¡£Îã:

      load "filename"
      cd 'dir'

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¤³¤Î¥É¥­¥å¥á¥ó¥È¤Ë¤ª¤¤¤Æ¡¢Ãæ³ç¸Ì ({}) ¤Ï¾Êά²Äǽ¤Ê°ú¿ô¤òɽ¤¹¤â¤Î¤È¤·¡¢ ½ÄËÀ (|) ¤Ï¡¢¸ß¤¤¤ËÇÓ¾Ū¤Ê°ú¿ô¤ò¶èÀÚ¤ë¤â¤Î¤È¤·¤Þ¤¹¡£‘gnuplot‘ ¤Î¥­¡¼ ¥ï¡¼¥É¤ä help ¤Ë¤ª¤±¤ë¹àÌÜ̾¤Ï¡¢¥Ð¥Ã¥¯¥¯¥ª¡¼¥È (¡®) ¤Þ¤¿¤Ï²Äǽ¤Ê¾ì¹ç ¤Ë¤Ï ‘boldface‘ (ÂÀ»ú) ¤Çɽ¤·¤Þ¤¹¡£³Ñ³ç¸Ì (<>) ¤Ï¡¢¤½¤ì¤ËÂбþ¤¹¤ë¤â¤Î ¤ËÃÖ¤­´¹¤¨¤é¤ì¤ë¤Ù¤­¤â¤Î¤òɽ¤·¤Þ¤¹¡£Â¿¤¯¤Î¾ì¹ç¡¢¥ª¥×¥·¥ç¥ó¤Î°ú¿ô¤Ë¤Ï¡¢ ¤½¤ì¤¬¾Êά¤µ¤ì¤ë¤È¥Ç¥Õ¥©¥ë¥È¤ÎÃͤ¬»ÈÍѤµ¤ì¤Þ¤¹¡£¤·¤«¤·¡¢¤³¤ì¤é¤Î¾ì¹ç¡¢ ɬ¤º¤·¤â³Ñ³ç¸Ì¤¬Ãæ³ç¸Ì¤Ç°Ï¤Þ¤ì¤Æ½ñ¤«¤ì¤Æ¤¤¤ë¤ï¤±¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£

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simple.dem ¥Ç¥â¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£¤¢¤ë¤¤¤Ï°Ê²¼¤Î Web ¥Ú¡¼¥¸¤Ë¤â¾¤Î¥Ç ¥â¤È°ì½ï¤Ë¤¢¤ê¤Þ¤¹¡£ http://www.gnuplot.info/demo/ ‘gnuplot‘ ¤Ï¥³¥Þ¥ó¥É¥é¥¤¥ó¤«¤é¡¢¤¢¤ë¤¤¤Ï¥Ç¥¹¥¯¥È¥Ã¥×´Ä¶­¤Î¥¢¥¤¥³¥ó¤«¤é µ¯Æ°¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¥³¥Þ¥ó¥É¥é¥¤¥ó¤«¤éµ¯Æ°¤¹¤ë¤È¤­¤Ï¡¢°Ê²¼¤Î½ñ¼°¤¬ »È¤¨¤Þ¤¹¡£

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1.3 õ¤·½Ð¤¹¼ê½õ¤± (Seeking-assistance)

¸ø¼°¤Î gnuplot Web ¥Ú¡¼¥¸¤Ï°Ê²¼¤Ë¤¢¤ê¤Þ¤¹¡£ http://www.gnuplot.info

½õ¤±¤òµá¤á¤ëÁ°¤Ë¡¢¥Õ¥¡¥¤¥ë FAQ.pdf ¤«¡¢¤Þ¤¿¤Ï¾å¤Î Web ¥µ¥¤¥È¤Î FAQ (ÅÙ¡¹Ê¹¤«¤ì¤ë¼ÁÌä; Frequently Asked Questions) ¤Î°ìÍ÷ ¤ò¥Á¥§¥Ã¥¯¤·¤Æ¤¯¤À¤µ¤¤¡£

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¥Ð¥°¥ê¥Ý¡¼¥È¡¢¥½¡¼¥¹¤Î²þÎÉÅù¤Ï°Ê²¼¤Î trackers ¤Ë upload ¤·¤Æ¤¯¤À¤µ¤¤:

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²¿¤«¼ÁÌä¤òÅê¹Æ¤¹¤ë¤È¤­¤Ï¡¢¤¢¤Ê¤¿¤¬»ÈÍѤ·¤Æ¤¤¤ë gnuplot ¤Î¥Ð¡¼¥¸¥ç¥ó¡¢ ½ÐÎÏ·Á¼°¡¢¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¥·¥¹¥Æ¥à¡¢¤È¤¤¤Ã¤¿Á´¤Æ¤Î¾ðÊó¤ò´Þ¤à¤è¤¦¤Ë¤·¤Æ ¤¯¤À¤µ¤¤¡£¤½¤ÎÌäÂê¤ò°ú¤­µ¯¤³¤¹¡Ö¾®¤µ¤¤¡×¥¹¥¯¥ê¥×¥È¤¬¤¢¤ì¤Ð¤Ê¤ªÎɤ¤¤Ç¤¹¡£ ¤½¤Î¾ì¹ç¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î¥×¥í¥Ã¥È¤è¤ê¤â´Ø¿ô¤Î¥×¥í¥Ã¥È¤ÎÊý¤¬¤è¤êÎɤ¤¤Ç ¤¹¡£

1.4 ¿·¤·¤¤µ¡Ç½ (New features)

¤³¤ÎÀá¤Ç¤Ï¡¢¥Ð¡¼¥¸¥ç¥ó 4.4 °Ê¹ß¤ËÄɲ䵤줿¼ç¤Ê¤â¤Î¤ò¾Ò²ð¤·¤Þ¤¹¡£¤è¤ê ÌÖÍåŪ¤Ê°ìÍ÷¤Ï¡¢¥Õ¥¡¥¤¥ë NEWS ¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£

1.4.1 ¿·¤·¤¤¹½Ê¸ (New syntax)

¤³¤ÎÈǤΠgnuplot ¤Ë¤Ï¡¢·«¤êÊÖ¤· (iteration) ¥³¥Þ¥ó¥É¤ä¥Ö¥í¥Ã¥¯¹½Â¤¤ò°· ¤¨¤ë if/else/while/do ¤¬Æ³Æþ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£°Ê²¼»²¾È: ‘if‘, ‘while‘, ‘do‘¡£Ã±½ã¤Ê·«¤êÊÖ¤·¤Ï¡¢¥³¥Þ¥ó¥É plot, ‘set‘ ¤ÇÍøÍѤǤ­¤Þ¤¹¡£°Ê²¼»² ¾È: ‘iteration‘¡£Ê£¿ô¤Î¥³¥Þ¥ó¥É¤òÊñ´Þ¤¹¤ë°ìÈÌŪ¤Ê·«¤êÊÖ¤·¤Ï¡¢°Ê²¼¤Ç¾Ò ²ð¤¹¤ë¥Ö¥í¥Ã¥¯¹½Â¤¤òÍøÍѤ¹¤ë¤³¤È¤Ç¹Ô¤¨¤Þ¤¹¡£¿·¤·¤¤µ¡Ç½¤Ë´ØÏ¢¤·¤Æ¡¢¿ô¼° ·¿¤Î°Ê²¼¤â»²¾È: ‘summation‘¡£°Ê²¼¤Ï¡¢¤³¤ì¤é¤Î¿·¤·¤¤¹½Ê¸µ¡Ç½¤ò¤¤¤¯¤Ä¤« ÍøÍѤ·¤¿Îã¤Ç¤¹:

      set multiplot layout 2,2
      fourier(k, x) = sin(3./2*k)/k * 2./3*cos(k*x)
      do for [power = 0:3] {
          TERMS = 10**power
          set title sprintf("%g term Fourier series",TERMS)
          plot 0.5 + sum [k=1:TERMS] fourier(k,x) notitle
      }
      unset multiplot

¸½ºß¤Ï¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤«¤é¤Î¥Ç¡¼¥¿Îó¤ò¡¢¥Õ¥¡¥¤¥ë¤Î 1 ¹ÔÌܤ˽ñ¤«¤ì¤¿¥é ¥Ù¥ë̾¤ÇÁªÂò¤¹¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£°Ê²¼»²¾È: columnhead¡£Îã:

      plot for [crop in "Oats Peas Beans"] 'data' using "Year":crop

1.4.2 Àþ¼ï¤Î¥«¥¹¥¿¥Þ¥¤¥º (Local customization of linetypes)

¸½ºß¤Ç¤Ï¡¢¥æ¡¼¥¶¤¬ÉÁ²è¤Ë»ÈÍѤµ¤ì¤ëÀþ¼ï¤Î°À­ (¿§¡¢ÀþÉý¡¢ÅÀ¤Î¼ïÎà) ¤Î¥Ç ¥Õ¥©¥ë¥È¤ÎʤӤò¥«¥¹¥¿¥Þ¥¤¥º¤Ç¤­¤Þ¤¹¡£°Ê²¼»²¾È: ‘set linetype‘¡£¤³¤ì¤Ï Ä̾¥·¥¹¥Æ¥àÍѤνé´ü²½¥Õ¥¡¥¤¥ë ‘gnuplotrc‘ ¤«¸Ä¿ÍŪ¤Ê½é´ü²½¥Õ¥¡¥¤¥ë ‘~/.gnuplot‘ ¤Î¤¤¤º¤ì¤«¤Ç¹Ô¤¤¤Þ¤¹¡£°Ê²¼»²¾È: ‘initialization‘¡£

¸½ºß¤Ï¿¤¯¤Î½ÐÎÏ·Á¼°¤Ç¥°¥é¥Õ¤ÎÇØ·Ê¿§¤òÌÀ¼¨Åª¤ËÀßÄê¤Ç¤­¤Þ¤¹¡£¤½¤Î¿§¤ÇÉÁ ²è¤¹¤ë¤Î¤Ë¡¢ÆÃÊ̤ÊÀþ¼ï (linetype) ‘bgnd‘ ¤¬ÍøÍѤǤ­¤Þ¤¹¡£°Ê²¼»²¾È: ‘bgnd‘¡£

1.4.3 ¿·¤·¤¤ÉÁ²è¥¹¥¿¥¤¥ë (New plot styles)

ÉÁ²è¥¹¥¿¥¤¥ë¤ÎÀá¤Î°Ê²¼»²¾È: boxplot, circles, ellipses, fillsteps¡£

1.4.4 ¶ËºÂɸ¼´¤Î²þÎÉ (Revised polar axes)

¶ËºÂɸÉÁ²è¥â¡¼¥É¤Ï¡¢¤è¤ê¿¤¯¤ÎÉÁ²è¥¹¥¿¥¤¥ë¤ò¥µ¥Ý¡¼¥È¤¹¤ë¤è¤¦¤Ë²þÎɤµ¤ì ¤Þ¤·¤¿¡£¶ËºÂɸ¼´¤Ï¡¢º£¤Ç¤Ï x, y ¼´¤È¤ÏÆÈΩ¤ËÉÁ²è¡¢¥é¥Ù¥ëÉÕ¤±¤Ç¤­¤Þ¤¹¡£ °Ê²¼»²¾È: polar, rrange¡£

1.4.5 ¿·¤·¤¤Ê¿³ê²½¥¢¥ë¥´¥ê¥º¥à

2 ¼¡¸µ¡¢3 ¼¡¸µÉÁ²è¤ÎξÊý¤Ë¡¢¿·¤·¤¤Ê¿³ê²½¥¢¥ë¥´¥ê¥º¥à¤¬Äɲ䵤ì¤Æ¤¤¤Æ¡¢ ³ê¤é¤«¤Ê¥Ò¥¹¥È¥°¥é¥à¤äÎßÀÑʬÉÛ´Ø¿ô¤Î plot ¤Ë¤è¤ëÉÁ²è¤Ë¡¢¤½¤ì¤¾¤ì ‘smooth kdensity‘ ¤ä ‘smooth cumulative‘ ¤¬»È¤¨¤Þ¤¹¡£dgrid3d ¤Ë¤Ï¡¢ ‘splot‘ ÍѤ˿·¤·¤¤Ê¿³ê²½½Å¤ßÉÕ¤±´Ø¿ô (kernel) ¤¬¤¤¤¯¤Ä¤«Äɲ䵤ì¤Æ¤¤¤Þ ¤¹¡£°Ê²¼»²¾È: smooth, dgrid3d¡£

1.4.6 ¿·¤·¤¤Æü»þ (time/date) ¤Î¼è°·¤¤

¸½ºß¤Î gnuplot ¤Ï¡¢»þ¹ï¤ò¥ß¥êÉÃÀºÅÙ¤ÇÄÉÀפ·¡¢»þ¹ï¤Î¥Õ¥©¡¼¥Þ¥Ã¥È¤â¤½¤ì ¤Ëȼ¤Ã¤ÆÊѹ¹¤µ¤ì¤Æ¤¤¤Þ¤¹¡£¿·¤·¤¤ÁȤ߹þ¤ß´Ø¿ô time() ¤Ï¡¢¥·¥¹¥Æ¥à»þ·×¤Ë ½¾¤Ã¤¿»þ¹ï¤òÊÖ¤·¤Þ¤¹¡£ Îã: ¸½ºß¤Î»þ¹ï¤ò¥ß¥êÉÃÀºÅÙ¤Çɽ¼¨

     print strftime("%H:%M:%.3S %d-%b-%Y",time(0.0))
     18:15:04.253 16-Apr-2011

1.4.7 ¥Ç¡¼¥¿¤Î´Êñ¤ÊÅý·×¾ðÊó

¿·¤·¤¤¥³¥Þ¥ó¥É ‘stats‘ ¤Ï¡¢plot ¤ä ‘splot‘ ¤ÈƱ¤¸½ñ¼°¤Ç¥Õ¥¡¥¤¥ë¤«¤é ¥Ç¡¼¥¿¤òÆɤ߹þ¤ß¤Þ¤¹¤¬¡¢¥°¥é¥Õ¤òÉÁ²è¤¹¤ë¤Î¤Ç¤Ï¤Ê¤¯¡¢¤³¤ì¤Ï¡¢column ¤Ç »ØÄꤵ¤ì¤¿¥Ç¡¼¥¿Îó¤Î´Êñ¤ÊÅý·×¾ðÊó¤ò½ÐÎϤ·¤Þ¤¹¡£½ÐÎϤ¹¤ë¤Î¤Ï¡¢ºÇ¾®ÃÍ (min)¡¢ºÇÂçÃÍ (max)¡¢É¸½àÊк¹ (standard deviation)¡¢Áê´Ø (correlation) Åù¤Ç¡¢¤½¤·¤Æ¤½¤ì¤é¤ÎÃͤò¤½¤ì°Ê¹ß¤ÎÉÁ²è¥³¥Þ¥ó¥É¤Î¹½À®¡¢½¤Àµ¤ËÍøÍѤǤ­¤ë ¤è¤¦¤Ë̾Á°¤Î¤Ä¤¤¤¿ÊÑ¿ô¤ËÊݸ¤·¤Þ¤¹¡£°Ê²¼»²¾È: ‘stats‘¡£

1.4.8 ¿·¤·¤¤/½¤Àµ¤µ¤ì¤¿½ÐÎÏ·Á¼°

¥É¥é¥¤¥Ð ‘qt‘ ¤Ï¡¢Qt ¥°¥é¥Õ¥£¥Ã¥¯³¬ÁؤκǾå°Ì¤Ë°ÌÃÖ¤¹¤ëÂÐÏ÷¿½ÐÎÏ·Á¼° ¤Î¼ÂÁõ¤Ç¤¹¡£¤½¤ì¤Ï¡¢¥Õ¥ëÁõÈ÷¤Î¥Ç¥¹¥¯¥È¥Ã¥×´Ä¶­Æâ¤Î°ì¤Ä¤Î¥¦¥£¥ó¥É¥¦¤È¤· ¤Æ¡¢¤¢¤ë¤¤¤Ï Qt ¥Ù¡¼¥¹¤ÎËä¤á¹þ¤ß¥Ç¥Ð¥¤¥¹¾å¤Î¥Õ¥ë¥¹¥¯¥ê¡¼¥ó¥¢¥×¥ê¥±¡¼¥· ¥ç¥ó¤È¤·¤Æµ¡Ç½¤·¤Þ¤¹¡£‘qt‘ ½ÐÎÏ·Á¼°¤Ï¿·¤·¤¯¡¢¤Þ¤À¤¢¤ë¼ï¤ÎÁƤµ¤¬¤¢¤ê¤Þ ¤¹¡£

Web ¥Ù¡¼¥¹¤ÎÂÐÏ÷¿É½¼¨¤ò¥µ¥Ý¡¼¥È¤¹¤ë½ÐÎÏ·Á¼°¤¬ 2 ¤Ä¤¢¤ê¤Þ¤¹¡£HTML5 ¤Î ‘canvas‘ ½ÐÎÏ·Á¼°¤Ï version 4.4 ¤ÇƳÆþ¤µ¤ì¤Þ¤·¤¿¡£‘svg‘ ½ÐÎÏ·Á¼°¤Ï¡¢¥Þ ¥¦¥¹Áàºî¤Ë´Ø¤·¤Æ¡¢¤ª¤è¤Ó gnuplot ¤«¤é¤Î svg ½ÐÎϤò¤è¤êÂ礭¤Ê svg/xml ʸ½ñ¤Ë¤è¤ê¤è¤¯Ëä¤á¹þ¤á¤ë¤è¤¦¤Ë¡¢Â礭¤¯²þÎɤµ¤ì¤Æ¤¤¤Þ¤¹¡£

½ÐÎϥɥ饤¥Ð ‘canvas‘ ¤Ï¡¢¥¦¥§¥Ö¥Ú¡¼¥¸¤Î canvas Í×ÁÇ HTML Ãæ¤ËÉÁ²è¤¹¤ë javascript ½ÐÎϤòÀ¸À®¤·¤Þ¤¹¡£¤³¤ì¤Ï¡¢°ì¤Ä¤ÎÉÁ²è¤À¤±¤ò´Þ¤à´°Á´¤Ê¥¦¥§¥Ö ¥Ú¡¼¥¸¡¢¤¢¤ë¤¤¤Ï³°Éô¤ËÀ¸À®¤µ¤ì¤¿ HTML ¥É¥­¥å¥á¥ó¥È¤Î°ìÉô (Ê£¿ô¤ÎÉÁ²è¤ò Æþ¤ì¤ë¤³¤È¤¬¤Ç¤­¤ë) ¤È¤·¤ÆËä¤á¹þ¤á¤ë¥¹¥¯¥ê¥×¥È¡¢¤Î¤¤¤º¤ì¤«¤òºîÀ®¤Ç¤­¤Þ ¤¹¡£Ëä¤á¹þ¤Þ¤»¤ëÉÁ²è¤Ï¡¢³ÈÂç/½Ì¾®¤Ê¤É¤Î¡¢¥Ö¥é¥¦¥¶Â¦¤Î¥Þ¥¦¥¹Æ°ºî¤ò¥µ¥Ý ¡¼¥È¤·¤Æ¤¤¤Þ¤¹¡£

½ÐÎϥɥ饤¥Ð ‘lua‘ ¤Ï¡¢lua ¥×¥í¥°¥é¥ß¥ó¥°¸À¸ì¤Î¥¹¥¯¥ê¥×¥È¤Ë¤è¤Ã¤Æ¤µ¤é ¤Ê¤ë½èÍý¤¬²Äǽ¤Ê¥Ç¡¼¥¿¤òÀ¸À®¤·¤Þ¤¹¡£¸½»þÅÀ¤Ç¤Ï¡¢¤½¤Î¤è¤¦¤Ê¥¹¥¯¥ê¥×¥È¤È ¤·¤Æ¤Ï gnuplot-tikz.lua ¤Î¤ß¤¬ÍÑ°Õ¤µ¤ì¤Æ¤¤¤Æ¡¢¤³¤ì¤Ï¡¢latex TikZ ¥Ñ¥Ã ¥±¡¼¥¸ÍѤνÐÎϤòºîÀ®¤·¤Þ¤¹¡£¤â¤Á¤í¤ó¡¢Â¾¤Î TeX ¥Ñ¥Ã¥±¡¼¥¸ÍÑ¡¢¤¢¤ë¤¤¤Ï TeX °Ê³°¤Î¥Ä¡¼¥ëÍѤΠgnuplot ½ÐÎϤòÀ¸À®¤¹¤ë lua ¥¹¥¯¥ê¥×¥È¤Ê¤É¤òºîÀ®¤¹ ¤ë¤³¤È¤â²Äǽ¤Ç¤·¤ç¤¦¡£

‘set term tikz‘ ¤Ï¡¢‘set term lua tikz‘ ¤Î¾Êά·Á¤Ç¤¹¡£¾å¤Ë½ñ¤¤¤¿¤è¤¦¤Ë ¤³¤ì¤Ï lua ½ÐÎÏ·Á¼°¤È³°Éô¤Î lua ¥¹¥¯¥ê¥×¥È¤ò»ÈÍѤ·¤Æ latex ʸ½ñ¤òÀ¸À® ¤·¤Þ¤¹¡£

½ÐÎϥɥ饤¥Ð ‘context‘ ¤Ï¡¢ConTeXt TeX ¥Þ¥¯¥í¥Ñ¥Ã¥±¡¼¥¸¤Ç¤µ¤é¤Ë½èÍý¤µ ¤ì¤ë½ÐÎϤòÀ¸À®¤·¤Þ¤¹¡£¤½¤Î½ÐÎϤνèÍý¤Ë¤Ï¡¢°Ê²¼¤Î ConTeXt ÍѤΠgnuplot ¥â¥¸¥å¡¼¥ë¤¬É¬ÍפǤ¹: http://ctan.org/pkg/context-gnuplot

½ÐÎÏ·Á¼° ‘epscairo‘ ¤Ï¡¢cairo ¤È pango ¥é¥¤¥Ö¥é¥ê¤ò»ÈÍѤ·¤Æ EPS ½ÐÎÏ (Encapsulated PostScript) ¤òÀ¸À®¤·¤Þ¤¹¡£¤³¤ì¤Ï¡¢½ÐÎϥɥ饤¥Ð ‘postscript‘ ¤È¤ÏÊ̤ΠEPS ½ÐÎÏÊýË¡¤È¤Ê¤ê¤Þ¤¹¤¬¡¢Î㤨¤Ð½ÐÎÏ·Á¼° ‘wxt‘ ¤Î²èÌ̽ÐÎϤÈƱ¤¸¸«¤¿ÌܤΠEPS ¥Õ¥¡¥¤¥ë¤¬Íߤ·¤¤¤È¤¤¤¦¿Í¸þ¤­¤Ç¤¹¡£

½ÐÎÏ·Á¼° ‘cairolatex‘ ¤Ï¡¢½ÐÎÏ·Á¼° ‘pdfcairo‘ ¤ä ‘epscairo‘ ¤Î cairo ¤Ë¤è¤ë¸å½èÍý¤ò»ÈÍѤ·¤Æ LaTeX ʸ½ñ¤Ë¼è¤ê¹þ¤à¤¿¤á¤Î¥°¥é¥Õ¤òÀ¸À®¤·¤Þ¤¹¡£ ¤³¤ì¤Ï¡¢PDF ¤« EPS ¥°¥é¥Õ¤òÀ¸À®¤·¤Þ¤¹¤¬¡¢¥Æ¥­¥¹¥Èʸ»úÎó¤Ï¡¢½ÐÎÏ·Á¼° ‘epslatex‘ ¤ÈƱ¤¸ÊýË¡¤Ç LaTeX ¤ËžÁ÷¤·¤Þ¤¹¡£

½ÐÎϥɥ饤¥Ð ‘windows‘ ¤Ï¡¢Æ©ÌÀ²½¡¢¥¢¥ó¥Á¥¨¥¤¥ê¥¢¥¹¡¢¥Ð¥Ã¥Õ¥¡¥ê¥ó¥°½Ð ÎÏ¡¢Ê£¿ô¤Î¥°¥é¥Õ¥¦¥£¥ó¥É¥¦¡¢¥°¥é¥Õ¤Î¥¯¥ê¥Ã¥×¥Ü¡¼¥É¤Ø¤Î¥³¥Ô¡¼¤ä¥°¥é¥Õ¤Î EMF ¥Õ¥¡¥¤¥ë¤Ø¤ÎÊݸ¤ò¥µ¥Ý¡¼¥È¤¹¤ë¤è¤¦²þÎɤµ¤ì¤Æ¤¤¤Þ¤¹¡£¿·¤·¤¤¥ª¥×¥·¥ç ¥ó¤â¤¿¤¯¤µ¤ó¤¢¤ê¡¢¥æ¡¼¥¶¡¼¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤â²þÎɤµ¤ì¤Æ¤¤¤Þ¤¹¡£¤µ¤é¤Ë¡¢ Ť¤¹Ô¤ÎÀޤꤿ¤¿¤ß¤ò¥µ¥Ý¡¼¥È¤¹¤ë¤è¤¦¤Ë¥Æ¥­¥¹¥È¥³¥ó¥½¡¼¥ë¤Î¥×¥í¥°¥é¥à¤â ÂçÉý¤Ë½ñ¤­´¹¤¨¤é¤ì¤Æ¤¤¤Þ¤¹¡£¥Ø¥ë¥×¤Ï¡¢¸½ºß¤Ï HTML ·Á¼°¤Î¤â¤Î¤òÍÑ°Õ¤·¤Æ ¤¤¤Þ¤¹¡£

1.5 ¸åÊý¸ß´¹À­ (Backwards compatibility)

°ÊÁ°¤ÎÈǤǻȤï¤ì¤Æ¤¤¤¿¤¤¤¯¤Ä¤«¤Î½ñ¼°¤Ï gnuplot 4.0 ¤ÇÈó¿ä¾©¤È¤Ê¤ê¤Þ¤· ¤¿¤¬¡¢¤½¤ì¤Ïº£¤Ç¤âǧ¼±¤Ï¤µ¤ì³¤±¤Æ¤¤¤Þ¤¹¡£¤³¤ì¤Ï¸½ºß¥³¥ó¥Ñ¥¤¥ë»þ¤ËÀ©¸æ ¤µ¤ì¡¢°Ê²¼¤Î¤è¤¦¤Ë¤·¤ÆÍ­¸ú¤Ë¤Ç¤­¤Þ¤¹:

      ./configure --enable-backwards-compatibility

Ãí°Õ: Èó¿ä¾©¤Î½ñ¼°¤Ï¡¢Ì¤Íè¤Î gnuplot ¤Î¤¢¤ëÈǤǡ¢´°Á´¤Ëºï½ü¤µ¤ì¤Æ¤·¤Þ ¤¦¤«¤â¤·¤ì¤Þ¤»¤ó¡£

°ì¤Ä¤Î¼ç¤Ê°ã¤¤¤Ï¡¢Ê£»¨¤Ê¥³¥Þ¥ó¥É (ÆäËʸ»úÎóÊÑ¿ô¤ò´Þ¤à¥³¥Þ¥ó¥É) ¤Î¤¢¤¤ ¤Þ¤¤¤µ¤òÈò¤±¤ë¤è¤¦¤Ê¥­¡¼¥ï¡¼¥É¤ÎƳÆþ¤Ç¤¹¡£ÆäËÃí°Õ¤¹¤Ù¤­ÅÀ¤Ï¡¢¥ª¥Õ¥»¥Ã ¥È¡¢Àþ¼ï¡¢ÅÀ¼ï¤ËÂФ¹¤ëÀ¸¤Î¿ô¤Î»ÈÍѤǤ·¤¿¡£ ¶ñÂÎÎã:

Èó¿ä¾©:

      set title "Old" 0,-1
      set data linespoints
      plot 1 2 4               # horizontal line at y=1

¿·:

      TITLE = "New"
      set title TITLE offset char 0, char -1
      set style data linespoints
      plot 1 linetype 2 pointtype 4

1.6 ¥Ð¥Ã¥Á/ÂÐÏ÷¿Áàºî (Batch/Interactive)

‘gnuplot‘ ¤Ï¿¤¯¤Î¥·¥¹¥Æ¥à¾å¤Ç¡¢¥Ð¥Ã¥Á½èÍý·Á¼°¡¢¤¢¤ë¤¤¤ÏÂÐÏ÷¿¤Î¤É¤Á¤é ¤Î·Á¼°¤Ç¤â¼Â¹Ô¤Ç¤­¡¢¤½¤ì¤é¤òÁȤ߹ç¤ï¤»¤ë¤³¤È¤â²Äǽ¤Ç¤¹¡£

¥³¥Þ¥ó¥É¥é¥¤¥ó°ú¿ô¤Ï¡¢¥×¥í¥°¥é¥à¤Ø¤Î¥ª¥×¥·¥ç¥ó (ʸ»ú - ¤Ç»Ï¤Þ¤ë) ¤«¡¢ ‘gnuplot‘ ¥³¥Þ¥ó¥É¤ò´Þ¤à¥Õ¥¡¥¤¥ë¤Î̾Á°¤Ç¤¢¤ë¤È²ò¼á¤µ¤ì¤Þ¤¹¡£ -e "command" ¤Î·Á¼°¤Î¥ª¥×¥·¥ç¥ó¤Ï¡¢gnuplot ¥³¥Þ¥ó¥É¤ò¶¯À©Åª¤Ë¼Â¹Ô¤µ¤»¡¢ ³Æ¥Õ¥¡¥¤¥ë¤È¤³¤Î¥³¥Þ¥ó¥Éʸ»úÎó¤Ï¡¢»ØÄꤵ¤ì¤¿½ç¤Ë¼Â¹Ô¤µ¤ì¤Þ¤¹¡£ÆÃÊÌ¤Ê¥Õ ¥¡¥¤¥ë̾ "-" ¤Ï¡¢¥³¥Þ¥ó¥É¤òɸ½àÆþÎϤ«¤éÆɤ߹þ¤à¤³¤È¤ò°ÕÌ£¤·¤Þ¤¹¡£ºÇ¸å ¤Î¥Õ¥¡¥¤¥ë¤ò¼Â¹Ô¤·¤¿¸å¤Ë ‘gnuplot‘ ¤Ï½ªÎ»¤·¤Þ¤¹¡£Æɤ߹þ¤Þ¤»¤ë¥Õ¥¡¥¤¥ë¡¢ ¤ª¤è¤Ó¥³¥Þ¥ó¥Éʸ»úÎó¤ò»ØÄꤷ¤Ê¤«¤Ã¤¿¾ì¹ç¤Ï¡¢‘gnuplot‘ ¤Ïɸ½àÆþÎϤ«¤é¤Î ÂÐÏ÷¿¤ÎÆþÎϤò¼õ¤±ÉÕ¤±¤Þ¤¹¡£

exit ¤È quit ¤Ï¤É¤Á¤é¤â¸½ºß¤Î¥³¥Þ¥ó¥É¥Õ¥¡¥¤¥ë¤ò½ªÎ»¤·¡¢¤Þ¤ÀÁ´¤Æ¤Î ¥Õ¥¡¥¤¥ë¤¬½ª¤Ã¤Æ¤¤¤Ê¤±¤ì¤Ð¡¢¼¡¤Î¥Õ¥¡¥¤¥ë¤ò ‘load‘ ¤¹¤ë¤Î¤Ë»È¤ï¤ì¤Þ¤¹¡£

Îã:

ÂÐÏäò³«»Ï¤¹¤ë:

      gnuplot

2 ¤Ä¤Î¥³¥Þ¥ó¥É¥Õ¥¡¥¤¥ë "input1", "input2" ¤ò»È¤Ã¤Æ¥Ð¥Ã¥Á½èÍý¤ò¹Ô¤Ê¤¦:

      gnuplot input1 input2

½é´ü²½¥Õ¥¡¥¤¥ë "header" ¤Î¸å¡¢ÂÐÏ÷¿¥â¡¼¥É¤òµ¯Æ°¤·¡¢¤½¤Î¸åÊ̤Υ³¥Þ¥ó¥É ¥Õ¥¡¥¤¥ë "tailer" ¤ò¼Â¹Ô¤¹¤ë:

      gnuplot header - trailer

¥³¥Þ¥ó¥É¥é¥¤¥ó¤«¤é ‘gnuplot‘ ¥³¥Þ¥ó¥É¤òľÀÜÍ¿¤¨¡¢½ªÎ»¸å¤Ë¥¹¥¯¥ê¡¼¥ó¾å ¤Ë¥°¥é¥Õ¤¬»Ä¤ë¤è¤¦¤Ë¥ª¥×¥·¥ç¥ó "-persist" ¤ò»È¤¦:

       gnuplot -persist -e "set title 'Sine curve'; plot sin(x)"

¥Õ¥¡¥¤¥ë¤Î¥³¥Þ¥ó¥É¤ò¼Â¹Ô¤¹¤ëÁ°¤Ë¡¢¥æ¡¼¥¶ÄêµÁÊÑ¿ô a ¤È s ¤ò¥»¥Ã¥È¤¹¤ë:

      gnuplot -e "a=2; s='file.png'" input.gpl

1.7 ¥­¥ã¥ó¥Ð¥¹¥µ¥¤¥º (Canvas size)

gnuplot ¤Î°ÊÁ°¤ÎÈǤǤϡ¢size ¤ÎÃͤò¡¢½ÐÎϤ¹¤ëÉÁ²èÎΰè (¥­¥ã¥ó¥Ð ¥¹) ¤Î¥µ¥¤¥º¤òÀ©¸æ¤¹¤ë¤Î¤Ë¤â»È¤Ã¤Æ¤¤¤¿½ÐÎÏ·Á¼°¤â¤¢¤ê¤Þ¤·¤¿¤¬¡¢¤¹¤Ù¤Æ¤Î ½ÐÎÏ·Á¼°¤¬¤½¤¦¤À¤Ã¤¿¤ï¤±¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¤Ç¤·¤¿¡£¤³¤ÎÌÜŪ¤Î¤¿¤á¤Ë size ¤ò»ÈÍѤ¹¤ë¤³¤È¤Ï version 4.2 ¤ÇÈó¿ä¾©¤È¤Ê¤ê¡¢version 4.4 °Ê ¹ß¤Ï¡¢¤Û¤È¤ó¤É¤Î½ÐÎÏ·Á¼°¤¬°Ê²¼¤Î¥ë¡¼¥ë¤Ë½¾¤¦¤è¤¦¤Ë¤Ê¤ê¤Þ¤·¤¿:

‘set term <terminal_type> size <XX>, <YY>‘ ¤Ï¡¢½ÐÎÏ¥Õ¥¡¥¤¥ë¤Î¥µ¥¤¥º¡¢ ¤Þ¤¿¤Ï "¥­¥ã¥ó¥Ð¥¹" ¤Î¥µ¥¤¥º¤òÀ©¸æ¤·¤Þ¤¹¡£¥µ¥¤¥º¥Ñ¥é¥á¡¼¥¿¤ÎÍ­¸ú¤ÊÃÍ¤Ë ¤Ä¤¤¤Æ¤Ï¡¢¸Ä¡¹¤Î½ÐÎÏ·Á¼°¤Î¥Ø¥ë¥×¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢¥° ¥é¥Õ¤Ï¤½¤Î¥­¥ã¥ó¥Ð¥¹Á´ÂΤËÉÁ²è¤µ¤ì¤Þ¤¹¡£

‘set size <XX>, <YY>‘ ¤Ï¡¢ÉÁ²è¼«ÂΤò¥­¥ã¥ó¥Ð¥¹¤Î¥µ¥¤¥º¤ËÂФ·¤ÆÁêÂÐŪ¤Ë ¿­½Ì¤µ¤»¤Þ¤¹¡£1 ¤è¤ê¾®¤µ¤¤¿­½ÌÃͤò»ØÄꤹ¤ë¤È¡¢¥°¥é¥Õ¤Ï¥­¥ã¥ó¥Ð¥¹Á´ÂΤò Ëä¤á¤º¡¢1 ¤è¤êÂ礭¤¤¿­½ÌÃͤò»ØÄꤹ¤ë¤È¡¢¥°¥é¥Õ¤Î°ìÉôʬ¤Î¤ß¤¬¥­¥ã¥ó¥Ð¥¹ Á´ÂΤ˹礦¤è¤¦¤ËÉÁ²è¤µ¤ì¤Þ¤¹¡£1 ¤è¤êÂ礭¤¤¿­½ÌÃͤò»ØÄꤹ¤ë¤È¡¢¤¢¤ë½ÐÎÏ ·Á¼°¤Ç¤ÏÌäÂ꤬µ¯¤³¤ë¤«¤â¤·¤ì¤Ê¤¤¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£

¤³¤Î¥ë¡¼¥ë¤Ë±è¤ï¤Ê¤¤¼ç¤ÊÎã³°¤Ï PostScript ¥É¥é¥¤¥Ð¤Ç¡¢¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï°Ê Á°¤ÎÈǤΤÈƱ¤¸¿¶Éñ¤¤¤ò¤·¤Þ¤¹¡£gnuplot ¤Î¼¡¤ÎÈǤǤϡ¢PostScript ¥É¥é¥¤ ¥Ð¤âƱÍͤ˥ǥե©¥ë¥È¤Î¿¶Éñ¤¤¤òÊѹ¹¤¹¤ë¤³¤È¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£

Îã:

      set size 0.5, 0.5
      set term png size 600, 400
      set output "figure.png"
      plot "data" with lines

¤³¤Î¥³¥Þ¥ó¥É¤Ï¡¢Éý 600 ¥Ô¥¯¥»¥ë¡¢¹â¤µ 400 ¥Ô¥¯¥»¥ë¤Î½ÐÎÏ¥Õ¥¡¥¤¥ë "figure.png" ¤òÀ¸À®¤·¤Þ¤¹¡£¥°¥é¥Õ¤Ï¥­¥ã¥ó¥Ð¥¹¤ÎÃæ¤Îº¸²¼¤ËÃÖ¤«¤ì¤Þ¤¹¡£ ¤³¤ì¤Ï¡¢multiplot ¥â¡¼¥É¤¬¾ï¤Ë¹Ô¤Ã¤Æ¤­¤¿ÊýË¡¤ÈÌ·½â¤·¤Þ¤»¤ó¡£

1.8 ¥³¥Þ¥ó¥É¥é¥¤¥óÊÔ½¸ (Command-line-editing)

¥³¥Þ¥ó¥É¥é¥¤¥ó¤Ç¤ÎÊÔ½¸µ¡Ç½¤È¥³¥Þ¥ó¥É¥Ò¥¹¥È¥ê¤Îµ¡Ç½¤Ï¡¢³°Éô¤Î GNU readline ¥é¥¤¥Ö¥é¥ê¤«³°Éô¤Î BSD libedit ¥é¥¤¥Ö¥é¥ê¡¢¤Þ¤¿¤ÏÁȤ߹þ¤Þ¤ì¤Æ ¤¤¤ëƱÅù¤Î¤â¤Î¤Î¤¤¤º¤ì¤«¤ò»È¤Ã¤Æ¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤¹¡£¤³¤ÎÁªÂò¤Ï¡¢ gnuplot ¤Î¥³¥ó¥Ñ¥¤¥ë»þ¤Î configure ¤Î¥ª¥×¥·¥ç¥ó¤Ç¹Ô¤¤¤Þ¤¹¡£

ÁȤ߹þ¤ß¤Î readline ÈǤξì¹ç¤ÎÊÔ½¸¥³¥Þ¥ó¥É¤Ï°Ê²¼¤ÎÄ̤ê¤Ç¤¹¤¬¡¢DEL ¥­¡¼ ¤Ë´Ø¤¹¤ëÆ°ºî¤Ï¥·¥¹¥Æ¥à¤Ë°Í¸¤¹¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£GNU readline ¥é¥¤¥Ö¥é¥ê¤È BSD libedit ¥é¥¤¥Ö¥é¥ê¤Ë´Ø¤·¤Æ¤Ï¡¢¤½¤ì¼«¿È¤Î¥É¥­¥å¥á¥ó¥È ¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£

      `¹ÔÊÔ½¸`:

      ^B    1 ʸ»úÁ°¤ØÌ᤹
      ^F    1 ʸ»úÀè¤Ø¿Ê¤á¤ë
      ^A    ¹Ô¤ÎÀèƬ¤Ë°ÜÆ°
      ^E    ¹Ô¤ÎºÇ¸å¤Ë°ÜÆ°
      ^H    ľÁ°¤Îʸ»ú¤òºï½ü
      DEL   ¸½ºß¤Îʸ»ú¤òºï½ü
      ^D    ¸½ºß°ÌÃÖ¤Îʸ»ú¤òºï½ü¡¢¶õ¹Ô¤Ê¤é EOF ¤òÁ÷¿®
      ^K    ¸½ºß°ÌÃÖ¤«¤é¹ÔËö¤Þ¤Çºï½ü
      ^L,^R ²õ¤ì¤¿É½¼¨¤Î¹Ô¤òºÆɽ¼¨
      ^U    ¹ÔÁ´ÂΤκï½ü
      ^W    ľÁ°¤Îñ¸ì¤òºï½ü

      `ÍúÎò`:

      ^P    Á°¤ÎÍúÎò¤Ø°ÜÆ°
      ^N    ¼¡¤ÎÍúÎò¤Ø°ÜÆ°

1.9 ¥³¥á¥ó¥È (Comments)

¥³¥á¥ó¥È¤Ï¼¡¤Î¤è¤¦¤Ë¼ÂÁõ¤µ¤ì¤Æ¤¤¤Þ¤¹: ʸ»ú ’#’ ¤Ï¡¢¹ÔÃæ¤Î¤¿¤¤¤Æ¤¤¤Î¾ì ½ê¤Ë½ñ¤¯¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤³¤Î¤È¤­ ‘gnuplot‘ ¤Ï¤½¤Î¹Ô¤Î»Ä¤ê¤ÎÉôʬ¤ò̵»ë ¤·¤Þ¤¹¡£¤¿¤À¤·¡¢°úÍÑÉä¤ÎÃæ¡¢¿ô (Ê£ÁÇ¿ô¤ò´Þ¤à) ¤ÎÃæ¡¢¥³¥Þ¥ó¥ÉÃÖ´¹ (command substitution) ¤ÎÃæ¤Ê¤É¤Ç¤Ï¤³¤Î¸ú²Ì¤¬¤¢¤ê¤Þ¤»¤ó¡£´Êñ¤Ë¸À¤¦¤È °ÕÌ£¤Î¤¢¤ë¤è¤¦¤Ê»È¤¤Êý¤ò¤·¤µ¤¨¤¹¤ì¤Ð¡¢Àµ¤·¤¯Æ°ºî¤¹¤ë¤È¸À¤¦¤³¤È¤Ç¤¹¡£

¥Ç¡¼¥¿¥Õ¥¡¥¤¥ëÃæ¤Î¥³¥á¥ó¥Èʸ»ú¤Î»ØÄê¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: ‘set datafile commentschars‘¡£¥³¥á¥ó¥È¹Ô¤¬ ’\’ ¤Ç½ª¤ï¤Ã¤Æ¤¤¤ë¾ì¹ç¡¢¼¡ ¤Î¹Ô¤â¥³¥á¥ó¥È¤È¤·¤Æ°·¤ï¤ì¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£

1.10 ºÂɸ·Ï (Coordinates)

¥³¥Þ¥ó¥É arrow, ‘set key‘, ‘set label‘, object ¤Ï¥°¥é¥Õ¾å ¤ÎǤ°Õ¤Î°ÌÃÖ¤¬»ØÄê¤Ç¤­¤Þ¤¹¡£¤½¤Î°ÌÃ֤ϰʲ¼¤Î½ñ¼°¤Ç»ØÄꤷ¤Þ¤¹:

      {<system>} <x>, {<system>} <y> {,{<system>} <z>}

³ÆºÂɸ·Ï»ØÄê <system> ¤Ë¤Ï¡¢‘first‘, ‘second‘, ‘graph‘, ‘screen‘, ‘character‘ ¤Î¤¤¤º¤ì¤«¤¬Æþ¤ê¤Þ¤¹¡£

‘first‘ ¤Ïº¸¤È²¼¤Î¼´¤ÇÄêµÁ¤µ¤ì¤ë x,y (3D ¤Î¾ì¹ç¤Ï z ¤â) ¤ÎºÂɸ·Ï¤ò»ÈÍÑ ¤·¤Þ¤¹¡£‘second‘ ¤ÏÂè 2 ¼´ (¾å¤È±¦¤Î¼´) ¤ò»ÈÍѤ·¤Þ¤¹¡£‘graph‘ ¤Ï¥°¥é¥Õ ÉÁ²èÎΰèÆâ¤ÎÁêÂÐŪ°ÌÃÖ¤ò»ØÄꤷ¡¢º¸²¼¤¬ 0,0 ¤Ç ±¦¾å¤¬ 1,1 (splot ¤Î¾ì¹ç ¤Ï¥°¥é¥ÕÉÁ²èÎΰèÆâ¤Îº¸²¼¤¬ 0,0,0 ¤Ç¡¢ÅÚÂæ¤Î°ÌÃÖ¤ÏÉé¤Î z ¤ÎÃͤò»ÈÍѤ·¤Þ ¤¹¡£°Ê²¼»²¾È: xyplane) ¤È¤Ê¤ê¤Þ¤¹¡£‘screen‘ ¤Ïɽ¼¨ÈÏ°ÏÆâ (ÈÏ°ÏÁ´ ÂΤǤ¢¤ê¡¢size ¤ÇÁªÂò¤µ¤ì¤ë°ìÉôʬ¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó) ¤ò»ØÄꤷ¡¢º¸²¼ ¤¬ 0,0 ¤Ç ±¦¾å¤¬ 1,1 ¤È¤Ê¤ê¤Þ¤¹¡£‘character‘ ¤Ï¡¢²èÌÌÎΰè¤Îº¸²¼ (screen 0,0) ¤«¤é¤Î¡¢Ê¸»ú¤ÎÉý¡¢Ê¸»ú¤Î¹â¤µ¤Ç¤Î°ÌÃÖ¤òÍ¿¤¨¤Þ¤¹¡£¤è¤Ã¤Æ¡¢ ‘character‘ ºÂɸ¤Ï¡¢ÁªÂò¤µ¤ì¤¿¥Õ¥©¥ó¥È¤Î¥µ¥¤¥º¤Ë°Í¸¤·¤Þ¤¹¡£

x ¤ÎºÂɸ·Ï¤¬»ØÄꤵ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¤Ï ‘first‘ ¤¬»È¤ï¤ì¤Þ¤¹¡£y ¤ÎºÂɸ·Ï¤¬ »ØÄꤵ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¤Ï x ¤ËÂФ¹¤ëºÂɸ·Ï¤¬»ÈÍѤµ¤ì¤Þ¤¹¡£

Í¿¤¨¤ëºÂɸ¤¬ÀäÂÐŪ¤Ê°ÌÃ֤ǤϤʤ¯¤ÆÁêÂÐŪ¤ÊÃͤǤ¢¤ë¾ì¹ç¤â¤¢¤ê¤Þ¤¹ (Î㤨 ¤Ð arrow ... ‘rto‘ ¤Î 2 ÈÖÌܤοôÃÍ)¡£¤½¤Î¤Û¤È¤ó¤É¤¬¡¢Í¿¤¨¤é¤ì¤¿ ¿ôÃͤòºÇ½é¤Î°ÌÃÖ¤ËÂФ¹¤ëº¹¤È¤·¤Æ»È¤¤¤Þ¤¹¡£Í¿¤¨¤é¤ì¤¿ºÂɸ¤¬Âпô¼´Æâ¤Ë¤¢ ¤ë¾ì¹ç¤Ï¡¢¤½¤ÎÁêÂÐŪ¤ÊÃͤÏÇÜΨ¤È¤·¤Æ²ò¼á¤µ¤ì¤Þ¤¹¡£Î㤨¤Ð

      set logscale x
      set arrow 100,5 rto 10,2

¤Ï¡¢x ¼´¤¬Âпô¼´¤Ç y ¼´¤¬Àþ·Á¤Î¼´¤Ê¤Î¤Ç¡¢100,5 ¤Î°ÌÃÖ¤«¤é 1000,7 ¤Î°Ì Ã֤ؤÎÌð°õ¤ò½ñ¤¯¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£

°ì¤Ä (¤¢¤ë¤¤¤Ï¤½¤ì°Ê¾å) ¤Î¼´¤¬»þ´Ö¼´¤Ç¤¢¤ë¾ì¹ç¡¢timefmt ¤Î½ñ¼°Ê¸»úÎó ¤Ë½¾¤Ã¤Æ¡¢°úÍÑÉä¤Ç°Ï¤Þ¤ì¤¿»þ´Öʸ»úÎó¤ÇŬÀڤʺÂɸ¤ò»ØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ ¤¹¡£°Ê²¼»²¾È: xdata, timefmt¡£¤Þ¤¿¡¢‘gnuplot‘ ¤ÏÀ°¿ôɽµ­¤â ǧ¤á¤Æ¤¤¤Æ¡¢¤½¤Î¾ì¹ç¤½¤ÎÀ°¿ô¤Ï 2000 ǯ 1 ·î 1 Æü¤«¤é¤ÎÉÿô¤È²ò¼á¤µ¤ì¤Þ ¤¹¡£

1.11 ʸ»úÎó¥Ç¡¼¥¿ (Datastrings)

¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Ë¤Ï¡¢¥Û¥ï¥¤¥È¥¹¥Ú¡¼¥¹ (¶õÇò¤ä¥¿¥Ö) ¤ò´Þ¤Þ¤Ê¤¤Ç¤°Õ¤Î°õ»ú ²Äǽ¤Êʸ»úÎ󡢤¢¤ë¤¤¤Ï 2 ½Å°úÍÑÉä¤Ç°Ï¤Þ¤ì¤¿Ç¤°Õ¤Îʸ»úÎó (¥Û¥ï¥¤¥È¥¹¥Ú ¡¼¥¹¤¬´Þ¤Þ¤ì¤Æ¤âÎɤ¤)¡¢¤Î¤¤¤º¤ì¤«¤Î·Á¤«¤é¤Ê¤ëʸ»úÎó¥Ç¡¼¥¿¤ò»ý¤¿¤»¤ë¤³ ¤È¤â²Äǽ¤Ç¤¹¡£¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Ë¼¡¤ÎÎã¤Î¤è¤¦¤Ê¹Ô¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¾ì¹ç¡¢¤½¤ì ¤Ï 4 ¤Ä¤ÎÎó¤ò´Þ¤ß¡¢3 ÎóÌܤ¬¥Æ¥­¥¹¥ÈÉôʬ¤Ç¤¢¤ë¤È¸«¤Ê¤µ¤ì¤Þ¤¹:

  1.000 2.000 "Third column is all of this text" 4.00

¥Æ¥­¥¹¥ÈÉôʬ¤Ï 2 ¼¡¸µ¤ä 3 ¼¡¸µÉÁ²èÆâ¤ÇÎ㤨¤Ð°Ê²¼¤Î¤è¤¦¤Ë»ÈÍѤµ¤ì¤Þ¤¹:

  plot 'datafile' using 1:2:4 with labels
  splot 'datafile' using 1:2:3:4 with labels

¥Æ¥­¥¹¥ÈÉôʬ¤ÎÎó¥Ç¡¼¥¿¤Ï 1 ¤Ä¡¢¤Þ¤¿¤ÏÊ£¿ô¤ÎÉÁ²è¼´¤ÎÌÜÀ¹¤ê¤Î¥é¥Ù¥ë¤È¤· ¤Æ»ÈÍѤǤ­¤Þ¤¹¡£¼¡¤ÎÎã¤Ï¡¢ÆþÎϥǡ¼¥¿¤Î 3 ÎóÌÜ¤È 4 ÎóÌܤò (X,Y) ºÂɸ¤È ¤·¤Æ¼è¤ê½Ð¤·¡¢¤½¤ì¤é¤ÎÅÀ¤ÎÎó¤ò·ë¤ÖÀþʬ¤òÉÁ²è¤·¤Þ¤¹¡£¤·¤«¤·¤³¤Î¾ì¹ç gnuplot ¤Ï¡¢x ¼´¤Ë±è¤Ã¤Æɸ½àŪ¤Ë´Ö¤Î¶õ¤¤¤¿¿ô»ú¥é¥Ù¥ë¤Î¤Ä¤¤¤¿ÌÜÀ¹¤ê¹ï¤ß ¤ò¤Ä¤±¤ë¤Î¤Ç¤Ï¤Ê¤¯¡¢ÆþÎϥǡ¼¥¿¥Õ¥¡¥¤¥ë¤Î 1 ¹ÔÌܤΠX ºÂɸ¤Î°ÌÃ֤ˡ¢ÌÜÀ¹ ¤ê¹ï¤ß¤Èʸ»úÎó¤ò x ¼´¤Ë±è¤Ã¤Æ¤Ä¤±¤Æ¹Ô¤­¤Þ¤¹¡£

  set xtics
  plot 'datafile' using 3:4:xticlabels(1) with linespoints

ÆþÎϥǡ¼¥¿¤ÎÎó¤ÎºÇ½é¤Î¥¨¥ó¥È¥ê (¤¹¤Ê¤ï¤ÁÎó¤Î¸«½Ð¤·) ¤ò¥Æ¥­¥¹¥ÈÉôʬ¤È²ò ¼á¤¹¤ë¤â¤¦°ì¤Ä¤Î¥ª¥×¥·¥ç¥ó¤¬¤¢¤ê¡¢¤½¤ì¤Ï¥Æ¥­¥¹¥ÈÉôʬ¤ò¡¢¤½¤ÎÉÁ²è¤·¤¿Îó ¤Î¥Ç¡¼¥¿¤ÎÀâÌÀ (key) ¤Î¥¿¥¤¥È¥ëÉôʬ¤È¤·¤Æ»ÈÍѤ·¤Þ¤¹¡£¼¡¤ÎÎã¤Ï¡¢ÀèƬ¤Î ¹Ô¤Î 2 ÎóÌܤÎÉôʬ¤òÀâÌÀ¥Ü¥Ã¥¯¥¹Æâ¤Î¥¿¥¤¥È¥ë¤òÀ¸À®¤¹¤ë¤Î¤Ë»ÈÍѤ·¡¢¤½¤Î ¸å¤ÎÎó¤Î 2,4 ÎóÌܤÏÍ׵ᤵ¤ì¤¿¶ÊÀþ¤òÉÁ²è¤¹¤ë¤Î¤Ë½èÍý¤µ¤ì¤Þ¤¹:

  plot 'datafile' using 1:(f($2)/$4) with lines title columnhead(2)

Ê̤ÎÎã:

  plot for [i=2:6] 'datafile' using i title "Results for ".columnhead(i)

°Ê²¼»²¾È: labels, ‘using xticlabels‘, title, using¡£

1.12 ³Èĥʸ»úÎó½èÍý¥â¡¼¥É (Enhanced text mode)

¿¤¯¤Î½ÐÎÏ·Á¼°¤¬¡¢³Èĥʸ»úÎó½èÍý¥â¡¼¥É (enhanced text mode) ¤ò¥µ¥Ý¡¼¥È ¤·¤Æ¤¤¤Þ¤¹¡£¤³¤ì¤Ï¡¢Ê¸»úÎó¤ËÄɲäνñ¼°¾ðÊó¤òËä¤á¤³¤ß¤Þ¤¹¡£Î㤨¤Ð "x^2" ¤Ï x ¤Î¼«¾è¤ò¡¢Ä̾ï²æ¡¹¤¬¸«¤ë¾åÉÕ¤­¤Î 2 ¤¬¤Ä¤¤¤¿·Á¤Ç½ñ¤­½Ð¤·¤Þ¤¹¡£¤³¤Î ¥â¡¼¥É¤Ï¡¢Î㤨¤Ð¡¢"set term png enhanced" ¤Î¤è¤¦¤ËÉáÄ̤ϽÐÎÏ·Á¼°¤òÀßÄê ¤¹¤ë¤È¤­¤ËÁªÂò¤·¤Þ¤¹¤¬¡¢¸å¤Ç "set termoption enhanced" ¤ò»È¤Ã¤Æ¤½¤Îµ¡ ǽ¤òÍ­¸ú/̵¸ú¤Ë¤â¤Ç¤­¤Þ¤¹¤·¡¢"set label ’x_2’ noenhanced" ¤Î¤è¤¦¤Ë¸Ä¡¹ ¤Îʸ»úÎó¤ËŬÍѤ¹¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£

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  _           a_x             ²¼ÉÕ¤­Ê¸»ú
  @           @x, a@^b_{cd}   ¶õ¥Ü¥Ã¥¯¥¹ (Éý¤¬¤Ê¤¤)
  &           &{space}        »ØÄꤷ¤¿Ä¹¤µ¤Î¥¹¥Ú¡¼¥¹¤òÁÞÆþ
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                              ¥¤¥º¤Î .8 ÇÜ»ý¤Á¾å¤²¤¿°ÌÃ֤˽Ťͽñ¤­

Ã楫¥Ã¥³¤Ï°ìʸ»ú¤¬´üÂÔ¤µ¤ì¤ë²Õ½ê¤ËÊ£¿ô¤Îʸ»ú¤ò½ñ¤¯¾ì¹ç¤Ë»È¤ï¤ì¤Þ¤¹ (Îã ¤¨¤Ð 2^{10})¡£¥Õ¥©¥ó¥È¡¢¤ª¤è¤Ó¤½¤Î¥µ¥¤¥º¤òÊѹ¹¤¹¤ë¤Ë¤Ï¡¢°Ê²¼¤Î·Á¼°¤ò»È ¤Ã¤Æ¤¯¤À¤µ¤¤: {/[fontname][=fontsize | *fontscale] text} ¤è¤Ã¤Æ¡¢Î㤨 ¤Ð {/Symbol=20 G} ¤Ï 20 ¥Ý¥¤¥ó¥È¤Î¦£ (¥¬¥ó¥Þ)¤Ë¡¢{/*0.75 K} ¤Ï¸½ºß¤ÎÍ­ ¸ú¤Ê¥Õ¥©¥ó¥È¥µ¥¤¥º¤Î 3/4 ¤ÎÂ礭¤µ¤Î K ¤Ë¤Ê¤ê¤Þ¤¹ (ʸ»ú ’/’ ¤Ï¡¢’{’ ¤Î ľ¸å¤Îʸ»ú¤Ç¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó)¡£

¶õ¥Ü¥Ã¥¯¥¹ (phantom box) ¤Ï a@^b_c ¤Î¾åÉÕ¤­Ê¸»ú¤È²¼ÉÕ¤­Ê¸»ú¤ò·¤¨¤ë¤È ¤­¤ËÍ­ÍѤǤ¹¤¬¡¢Ê¸»ú¤Ë¥¢¥¯¥»¥ó¥Èµ­¹æ¤ò½Å¤Í¤ë¾ì¹ç¤Ë¤Ï¤¦¤Þ¤¯Æ¯¤­¤Þ¤»¤ó¡£ ¸å¼Ô¤ÎÌÜŪ¤Î¤¿¤á¤Ë¤Ï¡¢¿§¡¹¤Ê¥¢¥¯¥»¥ó¥È¤ä¤½¤Î¾¤Î¥À¥¤¥¢¥¯¥ê¥Æ¥£¥«¥ë¥Þ ¡¼¥¯¤Î¤¢¤ë¿¤¯¤Îʸ»ú¤ò»ý¤Ä¥¨¥ó¥³¡¼¥É (Î㤨¤Ð iso_8859_1 ¤ä utf8) ¤ò»È ÍѤ¹¤ëÊý¤¬¤¤¤¤¤Ç¤·¤ç¤¦¡£°Ê²¼»²¾È: encoding¡£¤½¤Î¥Ü¥Ã¥¯¥¹¤Ï¥¹¥Ú¡¼ ¥·¥ó¥°¤¬¹Ô¤Ê¤ï¤ì¤Ê¤¤¤Î¤Ç¡¢¥Ü¥Ã¥¯¥¹Æâ (¤Ä¤Þ¤ê @ ¤Î¸å¤í) ¤Î¾åÉÕ¤­Ê¸»ú¤ä ²¼ÉÕ¤­Ê¸»ú¤òû¤¯½ÐÎϤ¹¤ë¤Î¤ËŬ¤·¤Æ¤¤¤Þ¤¹¡£

¤¢¤ëʸ»úÎó¤ÈƱ¤¸Ä¹¤µ¤Î¥¹¥Ú¡¼¥¹¤òʸ»ú ’&’ ¤ò»È¤¦¤³¤È¤ÇÆþ¤ì¤ë¤³¤È¤¬¤Ç¤­ ¤Þ¤¹¡£¤¹¤Ê¤ï¤Á¡¢

        'abc&{def}ghi'

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        'abc   ghi'

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\ʸ»ú¥³¡¼¥É (8 ¿Ê¿ô) ¤ò»ØÄꤹ¤ë¤³¤È¤ÇÆüì¤Êµ­¹æ¤ò»ØÄꤹ¤ë¤³¤È¤¬¤Ç¤­¤Þ ¤¹¡£Î㤨¤Ð¡¢{/Symbol \245} ¤Ï̵¸ÂÂç¤Îµ­¹æ¤Ë¤Ê¤ê¤Þ¤¹¡£¤·¤«¤·¡¢¤³¤ì¤Ï¡¢ UTF-8 ¤Î¤è¤¦¤Ê¥Þ¥ë¥Á¥Ð¥¤¥È¥¨¥ó¥³¡¼¥É¤Î¾ì¹ç¤Ë¤Ï¤¦¤Þ¤¯¤¤¤­¤Þ¤»¤ó¡£UTF-8 ´Ä¶­¤Ç¤Ï¡¢¥¿¥¤¥×ÆþÎϤ¹¤ë¤«¤Þ¤¿¤ÏÊ̤Τä¤êÊý¤Ç¤¢¤Ê¤¿¤¬Ë¾¤àʸ»ú¤òÁªÂò¤¹¤ë ¤³¤È¤Ç¥Þ¥ë¥Á¥Ð¥¤¥ÈÎó¤òÆþÎϤǤ­¤ë¤è¤¦¤Ë¤¹¤Ù¤­¤Ç¤¹¡£

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      set xlabel 'Time (10^6 {/Symbol m}s)'
      set title '{/Symbol=18 \\362@_{/=9.6 0}^{/=12 x}} \\
                 {/Helvetica e^{-{/Symbol m}^2/2} d}{/Symbol m}'

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1.13 ´Ä¶­ÊÑ¿ô (Environment)

‘gnuplot‘ ¤Ï¿¤¯¤Î¥·¥§¥ë´Ä¶­ÊÑ¿ô¤òǧ¼±¤·¤Þ¤¹¡£É¬¿Ü¤Î¤â¤Î¤Ï¤¢¤ê¤Þ¤»¤ó¤¬¡¢ »È¤¨¤ÐÊØÍø¤Ë¤Ê¤ë¤«¤âÃΤì¤Þ¤»¤ó¡£

GNUTERM ¤¬ÄêµÁ¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¡¢¤½¤ì¤Ï»ÈÍѤµ¤ì¤ë½ÐÎÏ·Á¼° (terminal) ¤Î̾ Á°¤È¤·¤Æ»È¤ï¤ì¤Þ¤¹¡£¤³¤ì¤Ï ‘gnuplot‘ ¤¬µ¯Æ°»þ¤Ë¸«¤Ä¤±¤¿½ÐÎÏ·Á¼°¤ËÍ¥Àè ¤·¤Æ»ÈÍѤµ¤ì¤Þ¤¹¤¬¡¢.gnuplot (¤Þ¤¿¤Ï¤½¤ì¤ËÁêÅö¤¹¤ë) ¥¹¥¿¡¼¥È¥¢¥Ã¥×¥Õ¥¡ ¥¤¥ë (°Ê²¼»²¾È: ‘startup‘) ¤Ë¤è¤ë»ØÄê¤ä¡¢Åö¤êÁ°¤Î¤³¤È¤Ç¤¹¤¬¡¢¤½¤Î¸å¤Ë ÌÀ¼¨Åª¤Ë»ØÄꤷ¤¿Êª¤ÎÊý¤¬Í¥À褵¤ì¤Þ¤¹¡£

GNUHELP ¤Ë¥Ø¥ë¥×¥Õ¥¡¥¤¥ë (gnuplot.gih) ¤Î¥Ñ¥¹Ì¾¤òÄêµÁ¤·¤Æ¤ª¤¯¤³¤È¤¬¤Ç ¤­¤Þ¤¹¡£

VMS ¤Ç¤Ï¡¢ÏÀÍý̾ GNUPLOT$HELP ¤ò ‘gnuplot‘ ¤Î¥Ø¥ë¥×¥é¥¤¥Ö¥é¥ê¤Î̾Á°¤È ¤·¤ÆÄêµÁ¤·¤Þ¤¹¡£‘gnuplot‘ ¤Î¥Ø¥ë¥×¤ÏǤ°Õ¤Î¥·¥¹¥Æ¥à¤Î¥Ø¥ë¥×¥é¥¤¥Ö¥é¥ê¤Ë Æþ¤ì¤ë¤³¤È¤¬¤Ç¤­¡¢‘gnuplot‘ ¤ÎÆâÉô¤«¤é¤Ç¤â³°Éô¤«¤é¤Ç¤â»²¾È¤·¤Æ¹½¤¤¤Þ¤» ¤ó¡£

Unix ¤Ë¤ª¤¤¤Æ¤Ï¡¢¥«¥ì¥ó¥È¥Ç¥£¥ì¥¯¥È¥ê¤Ë .gnuplot ¤È¤¤¤¦¥Õ¥¡¥¤¥ë¤¬¤Ê¤¤ ¾ì¹ç¤Ë¤Ï¡¢HOME ¤ËÄêµÁ¤µ¤ì¤¿¥Ç¥£¥ì¥¯¥È¥ê¤òõ¤·¤Þ¤¹¡£MS-DOS, Windows, OS/2 ¤Ç¤Ï GNUPLOT ¤¬¤½¤ÎÌò³ä¤Ë»È¤ï¤ì¤Þ¤¹¡£Windows ¤Ç¤Ï¡¢NT ÀìÍѤÎÊÑ¿ô USERPROFILE ¤â»²¾È¤µ¤ì¤Þ¤¹¡£VMS ¤Ç¤Ï SYS$LOGIN ¤Ç¤¹¡£‘help startup‘ ¤ÈÂǤäƤߤƤ¯¤À¤µ¤¤¡£

Unix ¤Ë¤ª¤¤¤Æ¤Ï¡¢PAGER ¤¬¥Ø¥ë¥×¥á¥Ã¥»¡¼¥¸¤Î½ÐÎÏÍѤΥե£¥ë¥¿¤È¤·¤Æ»È¤ï ¤ì¤Þ¤¹¡£

Unix ¤Ç¤Ï¡¢SHELL ¤¬ shell ¥³¥Þ¥ó¥É¤ÎºÝ¤Ë»È¤ï¤ì¤Þ¤¹¡£MS-DOS, OS/2 ¤Ç ¤Ï COMSPEC ¤¬ shell ¥³¥Þ¥ó¥É¤ÎºÝ¤Ë»È¤ï¤ì¤Þ¤¹¡£

FIT_SCRIPT ¤Ï¡¢Åö¤Æ¤Ï¤á (fit) ¤¬ÃæÃǤµ¤ì¤¿¤È¤­¤Ë¼Â¹Ô¤¹¤ë ‘gnuplot‘ ¥³ ¥Þ¥ó¥É¤Î»ØÄê¤Ë»È¤ï¤ì¤Þ¤¹¡£°Ê²¼»²¾È: ‘fit‘¡£FIT_LOG ¤ÏÅö¤Æ¤Ï¤á¤Ë¤è¤ë¥í ¥°¥Õ¥¡¥¤¥ë¤Î¥Ç¥Õ¥©¥ë¥È¤Î¥Õ¥¡¥¤¥ë̾¤Î»ØÄê¤Ë»È¤ï¤ì¤Þ¤¹¡£

GNUPLOT_LIB ¤Ï¡¢¥Ç¡¼¥¿¤ä¥³¥Þ¥ó¥É¥Õ¥¡¥¤¥ë¤Î¸¡º÷¥Ç¥£¥ì¥¯¥È¥ê¤òÄɲÃÄêµÁ¤¹ ¤ë¤Î¤Ë»È¤ï¤ì¤Þ¤¹¡£¤½¤ÎÊÑ¿ô¤Ï¡¢°ì¤Ä¤Î¥Ç¥£¥ì¥¯¥È¥ê̾¤«¤Þ¤¿¤ÏÊ£¿ô¤Î¥Ç¥£¥ì ¥¯¥È¥ê̾¤ò½ñ¤¯¤³¤È¤¬¤Ç¤­¤Þ¤¹¤¬¡¢¥Ç¥£¥ì¥¯¥È¥ê¤Î¶èÀÚ¤ê¤Ï¥×¥é¥Ã¥È¥Û¡¼¥àËè ¤Ë°ã¤¤¤Þ¤¹¡£Î㤨¤Ð Unix ¤Ç¤Ï ’:’ ¤Ç¡¢MS-DOS, Windows, OS/2 ¤Ç¤Ï ’;’ ¤Ç ¤¹¡£GNUPLOT_LIB ¤ÎÃͤÏÊÑ¿ô loadpath ¤ËÄɲ䵤ì¤Þ¤¹¤¬¡¢¤½¤ì¤Ï save ¤ä ‘save set‘ ¥³¥Þ¥ó¥É¤Ç¤ÏÊݸ¤µ¤ì¤Þ¤»¤ó¡£

½ÐÎϥɥ饤¥Ð¤ÎÃæ¤Ë¤Ï gd ¥é¥¤¥Ö¥é¥ê·Ðͳ¤Ç TrueType ¥Õ¥©¥ó¥È¤ò°·¤¨¤ë¤â¤Î ¤â¤¤¤¯¤Ä¤«¤¢¤ê¤Þ¤¹¡£¤³¤ì¤é¤Î¥É¥é¥¤¥Ð¤Î¥Õ¥©¥ó¥È¸¡º÷¥Ñ¥¹¤Ï¡¢´Ä¶­ÊÑ¿ô GDFONTPATH ¤ÇÀ©¸æ¤Ç¤­¤Þ¤¹¡£¤µ¤é¤Ë¡¢¤½¤ì¤é¤Î¥É¥é¥¤¥Ð¤Ç¤Î¥Ç¥Õ¥©¥ë¥È¤Î¥Õ ¥©¥ó¥È¤Ï´Ä¶­ÊÑ¿ô GNUPLOT_DEFAULT_GDFONT ¤ÇÀ©¸æ¤Ç¤­¤Þ¤¹¡£

postscript ½ÐÎϥɥ饤¥Ð¤Ï¼«Ê¬¤Ç»ý¤Ã¤Æ¤¤¤ë¥Õ¥©¥ó¥È¸¡º÷¥Ñ¥¹¤ò»È¤¤¤Þ¤¹¤¬¡¢ ¤½¤ì¤Ï´Ä¶­ÊÑ¿ô GNUPLOT_FONTPATH ¤ÇÀ©¸æ¤Ç¤­¤Þ¤¹¡£½ñ¼°¤Ï GNUPLOT_LIB ¤È Ʊ¤¸¤Ç¤¹¡£GNUPLOT_FONTPATH ¤ÎÃͤÏÊÑ¿ô fontpath ¤ËÄɲ䵤ì¤Þ¤¹¤¬¡¢¤½ ¤ì¤Ï save ¤ä ‘save set‘ ¥³¥Þ¥ó¥É¤Ç¤ÏÊݸ¤µ¤ì¤Þ¤»¤ó¡£

PostScript ¥É¥é¥¤¥Ð¤Ï¡¢³°Éô (ÁȤ߹þ¤Þ¤ì¤Æ¤¤¤Ê¤¤) ÄêµÁ¥Õ¥¡¥¤¥ë¤òõ¤¹¤¿ ¤á¤Ë´Ä¶­ÊÑ¿ô GNUPLOT_PS_DIR ¤òÍøÍѤ·¤Þ¤¹¡£¥¤¥ó¥¹¥È¡¼¥ë»þ¤Îºî¶È¤Ë¤è¤ê¡¢ gnuplot ¤Ë¤Ï¤½¤ì¤é¤Î¥Õ¥¡¥¤¥ë¤Î¥³¥Ô¡¼¤¬ÁȤ߹þ¤Þ¤ì¤Æ¤¤¤ë¤«¡¢¤Þ¤¿¤Ï¥Ç¥Õ¥© ¥ë¥È¤Î¥Ñ¥¹¤¬Ëä¤á¹þ¤Þ¤ì¤Æ¤¤¤Þ¤¹¡£¤³¤ÎÊÑ¿ô¤Ï¡¢postscript ½ÐÎÏ·Á¼°¤Ç¥Ç¥Õ ¥©¥ë¥È¤Î¥Õ¥¡¥¤¥ë¤ÎÂå¤ï¤ê¤Ë¥«¥¹¥¿¥Þ¥¤¥º¤·¤¿ prologue ¥Õ¥¡¥¤¥ë¤ò»ÈÍѤ¹¤ë ¤Î¤ËÍøÍѤǤ­¤Þ¤¹¡£°Ê²¼»²¾È: ‘postscript prologue‘¡£

1.14 ¼° (Expressions)

´ðËÜŪ¤Ë¤Ï C, FORTRAN, Pascal, BASIC ¤Ë¤ª¤¤¤ÆÍøÍѲÄǽ¤Ê¿ô³Øɽ¸½¤ò»ÈÍÑ ¤Ç¤­¤Þ¤¹¡£ ±é»»»Ò¤ÎÍ¥Àè½ç°Ì¤Ï C ¸À¸ì¤Î»ÅÍͤ˽¾¤¤¤Þ¤¹¡£¿ô¼°Ãæ¤Î¶õÇòʸ»ú ¤È¥¿¥Öʸ»ú¤Ï̵»ë¤µ¤ì¤Þ¤¹¡£

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gnuplot ¤Ï "¼Â¿ô" ¤È "À°¿ô" ±é»»¤ò FORTRAN ¤ä C ¤Î¤è¤¦¤Ë°·¤¦¤È¤¤¤¦¤³¤È ¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£"1", "-10" ¤Ê¤É¤ÏÀ°¿ô¤È¸«¤Ê¤µ¤ì¡¢"1.0", "-10.0", "1e1", 3.5e-1 ¤Ê¤É¤Ï¼Â¿ô¤È¸«¤Ê¤µ¤ì¤Þ¤¹¡£ ¤³¤ì¤é 2 ¤Ä¤Î¤â¤Ã¤È¤â½ÅÍפʰ㠤¤¤Ï³ä»»¤Ç¤¹¡£À°¿ô¤Î³ä»»¤ÏÀÚ¤ê¼Î¤Æ¤é¤ì¤Þ¤¹: 5/2 = 2¡£¼Â¿ô¤Ï¤½¤¦¤Ç¤Ï¤¢ ¤ê¤Þ¤»¤ó: 5.0/2.0 = 2.5¡£¤½¤ì¤é¤¬º®ºß¤·¤¿¼°¤Î¾ì¹ç¡¢·×»»¤ÎÁ°¤ËÀ°¿ô¤Ï¼Â ¿ô¤Ë "³ÈÄ¥" ¤µ¤ì¤Þ¤¹: 5/2e0 = 2.5¡£Éé¤ÎÀ°¿ô¤òÀµ¤ÎÀ°¿ô¤Ç³ä¤ë¾ì¹ç¡¢¤½¤Î Ãͤϥ³¥ó¥Ñ¥¤¥é¤Ë¤è¤Ã¤ÆÊѤï¤ê¤Þ¤¹¡£"print -5/2" ¤È¤·¤Æ¡¢¤¢¤Ê¤¿¤Î¥·¥¹¥Æ ¥à¤¬ -2 ¤È -3 ¤Î¤É¤Á¤é¤òÅú¤¨¤È¤¹¤ë¤«¤ò³Îǧ¤·¤Æ¤¯¤À¤µ¤¤¡£

¿ô¼° "1/0" ¤Ï "̤ÄêµÁÃÍ (undefined)" ¥Õ¥é¥°¤òÀ¸À®¤·¡¢¤½¤ì¤Ë¤è¤ê¤½¤ÎÅÀ ¤ò̵»ë¤·¤Þ¤¹¡£¤¢¤ë¤¤¤Ï¡¢¤¢¤é¤«¤¸¤áÄêµÁ¤µ¤ì¤Æ¤¤¤ëÃÍ NaN ¤ò»È¤Ã¤Æ¤âƱ¤¸ ¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£Îã¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: using¡£

Ê£ÁÇ¿ôɽ¸½¤Î¼Â¿ôÉôʬ¡¢µõ¿ôÉôʬ¤Ï¡¢¤É¤ó¤Ê·Á¤ÇÆþÎϤµ¤ì¤Æ¤â¾ï¤Ë¼Â¿ô¤Ç¤¹: {3,2} ¤Î "3" ¤È "2" ¤Ï¼Â¿ô¤Ç¤¢¤ê¡¢À°¿ô¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£

gnuplot ¤Ïʸ»úÎó¤ËÂФ¹¤ëñ½ã¤Ê±é»»¡¢¤ª¤è¤Óʸ»úÎóÊÑ¿ô¤âÍøÍѤǤ­¤Þ¤¹¡£Îã ¤¨¤Ð¼° ("A" . "B" eq "AB") ¤Ï¿¿¤Èɾ²Á¤µ¤ì¤Þ¤¹¤¬¡¢¤³¤ì¤Ïʸ»úÎó¤Î·ë¹ç±é »»»Ò¤Èʸ»úÎó¤ÎÅù¹æ±é»»»Ò¤ò°ÕÌ£¤·¤Æ¤¤¤Þ¤¹¡£

¿ô¤È¤·¤Æ¤ÎÃͤò´Þ¤àʸ»úÎó¤Ï¡¢¤½¤ì¤¬¿ô¼°¤ÇÍøÍѤµ¤ì¤¿¾ì¹ç¤Ï¡¢Âбþ¤¹¤ëÀ°¿ô ¤ä¼Â¿ô¤ËÊÑ´¹¤µ¤ì¤Þ¤¹¡£¤è¤Ã¤Æ¡¢("3" + "4" == 7) ¤ä (6.78 == "6.78") ¤Ï ¤É¤Á¤é¤â¿¿¤Ë¤Ê¤ê¤Þ¤¹¡£À°¿ô¤Ï¡¢¤½¤ì¤¬Ê¸»úÎó·ë¹ç±é»»»Ò¤Ç»È¤ï¤ì¤¿¾ì¹ç¤Ïʸ »úÎó¤ËÊÑ´¹¤µ¤ì¤Þ¤¹¤¬¡¢¼Â¿ô¤äÊ£ÁÇ¿ô¤Ï¥À¥á¤Ç¤¹¡£Åµ·¿Åª¤ÊÎã¤Ï¡¢¥Õ¥¡¥¤¥ë̾ ¤ä¾¤Îʸ»úÎóÆâ¤ËÀ°¿ô¤ò»È¤¦¾ì¹ç¤Ç¤·¤ç¤¦: Î㤨¤Ð ("file" . 4 eq "file4") ¤Ï¿¿¤Ç¤¹¡£

¸åÃÖ»ØÄꤹ¤ëÈϰϵ­½Ò»Ò [beg:end] ¤Ë¤è¤Ã¤Æ¡¢Éôʬʸ»úÎó¤ò»ØÄꤹ¤ë¤³¤È¤¬ ¤Ç¤­¤Þ¤¹¡£Î㤨¤Ð¡¢"ABCDEF"[3:4] == "CD" ¤Ç¡¢"ABCDEF"[4:*] == "DEF" ¤Ç ¤¹¡£½ñ¼° "string"[beg:end] ¤Ï¡¢Ê¸»úÎóÃͤÎÁȤ߹þ¤ß´Ø¿ô substr("strings",beg,end) ¤ò¸Æ¤Ö¤³¤È¤È¤Û¤ÜƱ¤¸¤Ç¤¹¤¬¡¢´Ø¿ô¸Æ¤Ó½Ð¤·¤Ç¤Ï beg, end ¤Ï¾Êά¤¹¤ë¤³¤È¤Ï¤Ç¤­¤Þ¤»¤ó¡£

1.14.1 ´Ø¿ô (Functions)

‘gnuplot‘ ¤Î¿ô³Ø´Ø¿ô¤Ï¡¢Unix ¿ô³Ø¥é¥¤¥Ö¥é¥ê¤Î´Ø¿ô¤È¤Û¤ÜƱ¤¸¤Ç¤¹¤¬¡¢Æà ¤ËÃí°Õ¤¬¤Ê¤±¤ì¤ÐÁ´¤Æ¤Î´Ø¿ô¤¬À°¿ô¡¢¼Â¿ô¡¢Ê£ÁÇ¿ô¤Î°ú¿ô¤ò¼è¤ë¤³¤È¤¬¤Ç¤­¤Þ ¤¹¡£³Ñ¤ò°ú¿ô¤äÌá¤êÃͤȤ¹¤ë´Ø¿ô (Î㤨¤Ð sin(x), cos(x), arg(z)) ¤Ï¡¢¤½ ¤ÎÃͤò¥é¥¸¥¢¥ó¤È¤·¤Æ°·¤¤¤Þ¤¹¤¬¡¢¤³¤ì¤Ï¥³¥Þ¥ó¥É angles ¤Ë¤è¤Ã¤ÆÅÙ ¤ËÊѹ¹¤Ç¤­¤Þ¤¹¡£

1.14.1.1 abs

´Ø¿ô ‘abs(x)‘ °ú¿ô¤ÎÀäÂÐÃͤòÊÖ¤·¤Þ¤¹¡£ÊÖ¤êÃͤη¿¤Ï°ú¿ô¤ÈƱ¤¸¤Ç¤¹¡£

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1.14.1.2 acos

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1.14.1.3 acosh

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1.14.1.4 airy

´Ø¿ô ‘airy(x)‘ ¤Ï¡¢¥¨¥¢¥ê¡¼ (Airy) ´Ø¿ô Ai(x) ¤ÎÃͤòÊÖ¤·¤Þ¤¹¡£´Ø¿ô Ai(x) ¤Ï¡¢ÈùʬÊýÄø¼° y” - x y = 0 ¤Î¡¢¼Â¿ôÁ´ÂΤÇÍ­³¦¤Ê²ò¤Ç¤¹¡£°ú¿ô¤¬ Ê£ÁÇ¿ô¤Î¾ì¹ç¡¢¤½¤Îµõ¿ôÉôʬ¤Ï̵»ë¤µ¤ì¤Þ¤¹¡£

1.14.1.5 arg

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1.14.1.6 asin

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1.14.1.7 asinh

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1.14.1.12 EllipticE

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1.14.1.37 norm

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1.14.1.55 word

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1.14.1.56 words

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1.14.1.58 columnhead

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½èÍý¤Î¤¿¤á¤ËÀµ¤·¤¤ timefmt ʸ»úÎó¤ò¸«¤Ä¤±¤ë¤¿¤á¡¢timecolumn ¤Ï¤½¤Î °ú¿ô¤ÈƱ¤¸ÎóÈÖ¹æ¤ò using »ØÄê¤ÎÃæ¤Çõ¤·¤Þ¤¹¡£¤â¤·¤½¤ì¤¬¸«¤Ä¤«¤Ã¤¿¤é¡¢ ¤½¤Î»ØÄê¤ÎÂоݤȤʤ뼴¤Î timefmt ʸ»úÎ󤬻ÈÍѤµ¤ì¤Þ¤¹¡£¸«¤Ä¤«¤é¤Ê¤« ¤Ã¤¿¤é¡¢timecolumn ¤Ï¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï x ¼´¤Î timefmt ʸ»úÎó¤òÁªÂò¤· ¤Þ¤¹¡£

1.14.1.63 tm_hour

´Ø¿ô tm_hour ¤Ï°ú¿ô¤ò 2000 ǯ 1 ·î 1 Æü¤«¤é¤ÎÉÿô¤È²ò¼á¤·¡¢¤½¤ì¤¬ »þ¹ï¤Î²¿»þ (0–23 ¤ÎÈϰϤÎÀ°¿ô) ¤Ç¤¢¤ë¤«¤ò¡¢¼Â¿ô¤È¤·¤ÆÊÖ¤·¤Þ¤¹¡£

1.14.1.64 tm_mday

´Ø¿ô tm_mday ¤Ï°ú¿ô¤ò 2000 ǯ 1 ·î 1 Æü¤«¤é¤ÎÉÿô¤È²ò¼á¤·¡¢¤½¤ì¤¬ ¤½¤Î·î¤Î²¿Æü (1–31 ¤ÎÈϰϤÎÀ°¿ô) ¤Ç¤¢¤ë¤«¤ò¡¢¼Â¿ô¤È¤·¤ÆÊÖ¤·¤Þ¤¹¡£

1.14.1.65 tm_min

´Ø¿ô tm_min ¤Ï°ú¿ô¤ò 2000 ǯ 1 ·î 1 Æü¤«¤é¤ÎÉÿô¤È²ò¼á¤·¡¢¤½¤ì¤¬ »þ¹ï¤Î²¿Ê¬ (0–59 ¤ÎÈϰϤÎÀ°¿ô) ¤Ç¤¢¤ë¤«¤ò¡¢¼Â¿ô¤È¤·¤ÆÊÖ¤·¤Þ¤¹¡£

1.14.1.66 tm_mon

´Ø¿ô tm_mon ¤Ï°ú¿ô¤ò 2000 ǯ 1 ·î 1 Æü¤«¤é¤ÎÉÿô¤È²ò¼á¤·¡¢¤½¤ì¤¬ ²¿·î (0–11 ¤ÎÈϰϤÎÀ°¿ô) ¤Ç¤¢¤ë¤«¤ò¡¢¼Â¿ô¤È¤·¤ÆÊÖ¤·¤Þ¤¹¡£

1.14.1.67 tm_sec

´Ø¿ô tm_sec ¤Ï°ú¿ô¤ò 2000 ǯ 1 ·î 1 Æü¤«¤é¤ÎÉÿô¤È²ò¼á¤·¡¢¤½¤ì¤¬ »þ¹ï¤Î²¿Éà (0–59 ¤ÎÈϰϤÎÀ°¿ô) ¤Ç¤¢¤ë¤«¤ò¡¢¼Â¿ô¤È¤·¤ÆÊÖ¤·¤Þ¤¹¡£

1.14.1.68 tm_wday

´Ø¿ô tm_wday ¤Ï°ú¿ô¤ò 2000 ǯ 1 ·î 1 Æü¤«¤é¤ÎÉÿô¤È²ò¼á¤·¡¢¤½¤ì¤¬ ¤½¤Î½µ¤Î²¿ÆüÌÜ (0–6 ¤ÎÈϰϤÎÀ°¿ô) ¤Ç¤¢¤ë¤«¤ò¡¢¼Â¿ô¤È¤·¤ÆÊÖ¤·¤Þ¤¹¡£

1.14.1.69 tm_yday

´Ø¿ô tm_yday ¤Ï°ú¿ô¤ò 2000 ǯ 1 ·î 1 Æü¤«¤é¤ÎÉÿô¤È²ò¼á¤·¡¢¤½¤ì¤¬ ¤½¤Îǯ¤Î²¿ÆüÌÜ (1–366 ¤ÎÈϰϤÎÀ°¿ô) ¤Ç¤¢¤ë¤«¤ò¡¢¼Â¿ô¤È¤·¤ÆÊÖ¤·¤Þ¤¹¡£

1.14.1.70 tm_year

´Ø¿ô tm_year ¤Ï°ú¿ô¤ò 2000 ǯ 1 ·î 1 Æü¤«¤é¤ÎÉÿô¤È²ò¼á¤·¡¢¤½¤ì¤¬ À¾Îñ²¿Ç¯ (À°¿ô) ¤Ç¤¢¤ë¤«¤ò¡¢¼Â¿ô¤È¤·¤ÆÊÖ¤·¤Þ¤¹¡£

1.14.1.71 time

´Ø¿ô ‘time‘ ¤Ï¸½ºß¤Î¥·¥¹¥Æ¥à»þ¹ï¤òÊÖ¤·¤Þ¤¹¡£¤³¤ÎÃÍ¤Ï strftime ´Ø¿ô¤Ç Æü»þʸ»úÎó¤ËÊÑ´¹¤Ç¤­¤Þ¤¹¤·¡¢timecolumn ¤ÈÁȤ߹ç¤ï¤»¤ÆÁêÂÐŪ¤ÊÆü»þ¥° ¥é¥Õ¤òºîÀ®¤¹¤ë¤Î¤Ë¤â»È¤¨¤Þ¤¹¡£°ú¿ô¤Î·¿¤Ï¤½¤ì¤¬ÊÖ¤¹¤â¤Î¤ò·èÄꤷ¤Þ¤¹¡£°ú ¿ô¤¬À°¿ô¤Î¾ì¹ç¤Ï time() ¤Ï¸½ºß¤Î»þ¹ï¤ò 2000 ǯ 1 ·î 1 Æü¤«¤é¤ÎÀ°¿ô¤È¤· ¤ÆÊÖ¤·¡¢°ú¿ô¤¬¼Â¿ô (¤Þ¤¿¤ÏÊ£ÁÇ¿ô) ¤Ê¤é¤ÐƱÍͤÎÃͤò¼Â¿ô¤È¤·¤ÆÊÖ¤·¤Þ¤¹¡£ °ú¿ô¤¬Ê¸»úÎó¤Ê¤é¤Ð¡¢¤½¤ì¤ò½ñ¼°Ê¸»úÎó¤Ç¤¢¤ë¤È¤ß¤Ê¤·¡¢½ñ¼°²½¤µ¤ì¤¿Æü»þʸ »úÎó¤òÄ󶡤¹¤ë¤è¤¦¤½¤ì¤ò strftime ¤ËÅϤ·¤Þ¤¹¡£

1.14.1.72 valid

‘valid(x)‘ ¤Ï¡¢¥Ç¡¼¥¿ÉÁ²è¤« fit ¤Ë¤ª¤±¤ë using ¤Î¼°¤ÎÃæ¤Ç¤·¤«»È¤ï¤ì ¤Þ¤»¤ó¡£°Ê²¼»²¾È: using¡£

1.14.1.73 ¼ï¡¹¤ÎÂʱßÀÑʬ (elliptic integrals)

´Ø¿ô ‘EllipticK(k)‘ ¤Ï¡¢Âè 1 ¼ï´°Á´ÂʱßÀÑʬ¡¢¤¹¤Ê¤ï¤Á¡¢´Ø¿ô ‘(1-(k*sin(p))**2)**(-0.5)‘ ¤Î 0 ¤«¤é¦Ð/2 ¤Þ¤Ç¤ÎÈϰϤι­µÁÀÑʬ¤ÎÃͤòÊÖ ¤·¤Þ¤¹¡£‘k‘ ¤ÎÄêµÁ°è¤Ï -1 ¤«¤é 1 ¤Ç¤¹ (ξü¤Ï´Þ¤Þ¤Ê¤¤)¡£

´Ø¿ô ‘EllipticE(k)‘ ¤Ï¡¢Âè 2 ¼ï´°Á´ÂʱßÀÑʬ¡¢¤¹¤Ê¤ï¤Á¡¢´Ø¿ô ‘(1-(k*sin(p))**2)**0.5‘ ¤Î 0 ¤«¤é¦Ð/2 ¤Þ¤Ç¤ÎÈϰϤι­µÁÀÑʬ¤ÎÃͤòÊÖ¤· ¤Þ¤¹¡£‘k‘ ¤ÎÄêµÁ°è¤Ï -1 ¤«¤é 1 ¤Ç¤¹ (ξü¤â´Þ¤à)¡£

´Ø¿ô ‘EllipticPi(n,k)‘ ¤Ï¡¢Âè 3 ¼ï´°Á´ÂʱßÀÑʬ¡¢¤¹¤Ê¤ï¤Á´Ø¿ô ‘(1-(k*sin(p))**2)**(-0.5)/(1-n*sin(p)**2)‘ ¤Î 0 ¤«¤é¦Ð/2 ¤Þ¤Ç¤ÎÈϰϤΠ¹­µÁÀÑʬ¤ÎÃͤòÊÖ¤·¤Þ¤¹¡£¥Ñ¥é¥á¡¼¥¿ ‘n‘ ¤Ï 1 ¤è¤ê¾®¤µ¤¯¡¢‘k‘ ¤Ï -1 ¤È 1 ¤Î´Ö (ξü¤Ï´Þ¤Þ¤Ê¤¤) ¤Ç¤Ê¤±¤ì¤Ð¤¤¤±¤Þ¤»¤ó¡£ÄêµÁ¤è¤ê¡¢¤¹¤Ù¤Æ¤ÎÀµ¤Î ‘k‘ ¤ËÂФ· EllipticPi(0,k) == EllipticK(k) ¤Ç¤¢¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£

1.14.1.74 Íð¿ô¤ÎÀ¸À® (random)

´Ø¿ô ‘rand()‘ ¤Ï 0 ¤È 1 ¤Î´Ö¤Îµ¿»÷Íð¿ôÎó¤òÀ¸À®¤·¤Þ¤¹¡£¤³¤ì¤Ï°Ê²¼¤«¤é¤Î ¥¢¥ë¥´¥ê¥º¥à¤ò»ÈÍѤ·¤Æ¤¤¤Þ¤¹: P. L’Ecuyer and S. Cote, "Implementing a random number package with splitting facilities", ACM Transactions on Mathematical Software, 17:98-111 (1991).

      rand(0)     ÆâÉô¤Ë»ý¤Ä 2 ¤Ä¤Î 32bit ¤Î¼ï (seed) ¤Î¸½ºß¤ÎÃͤ«¤éÀ¸
                  À®¤µ¤ì¤ë [0:1] ¶è´ÖÆâ¤Îµ¿»÷Íð¿ôÃͤòÊÖ¤¹
      rand(-1)    2 ¤Ä¤Î¼ï¤ÎÃͤòɸ½àÃͤËÌ᤹
      rand(x)     0 < x < 2^31-1 ¤ÎÀ°¿ô¤Ê¤é¼ï¤ÎξÊý¤ò x ¤ËÀßÄꤹ¤ë
      rand({x,y}) 0 < x,y < 2^31-1 ¤ÎÀ°¿ô¤Ê¤é seed1 ¤ò x ¤Ë seed2 ¤ò y
                  ¤ËÀßÄꤹ¤ë

1.14.1.75 value

A ¤¬¥æ¡¼¥¶¡¼ÄêµÁÊÑ¿ô¤Î̾Á°¤Ç¤¢¤ì¤Ð¡¢B = value("A") ¤Ï»ö¼Â¾å B = A ¤ÈÁ´ ¤¯Æ±¤¸¤Ç¤¹¡£¤³¤ì¤Ï¡¢ÊÑ¿ô¤Î̾Á°¼«¿È¤¬Ê¸»úÎóÊÑ¿ô¤Ë¼ý¤á¤é¤ì¤Æ¤¤¤ë¾ì¹ç¤ËÍ­ ÍѤǤ¹¡£°Ê²¼»²¾È: variables¡£¤³¤ì¤Ï¡¢ÊÑ¿ô̾¤ò¥Ç¡¼¥¿¥Õ¥¡ ¥¤¥ë¤«¤éÆɤ߼è¤ë¤³¤È¤â²Äǽ¤Ë¤·¤Þ¤¹¡£°ú¿ô¤¬¿ô¼°¤Ç¤¢¤ë¾ì¹ç¡¢value() ¤Ï¤½ ¤Î¿ô¼°¤ÎÃͤòÊÖ¤·¤Þ¤¹¡£°ú¿ô¤¬Ê¸»úÎó¤Ç¡¢ÄêµÁ¤µ¤ì¤Æ¤¤¤ëÊÑ¿ô¤ËÂбþ¤¹¤ë¤â¤Î ¤¬¤Ê¤¤¾ì¹ç¡¢value() ¤Ï NaN ¤òÊÖ¤·¤Þ¤¹¡£

1.14.2 ±é»»»Ò (Operators)

‘gnuplot‘ ¤Î±é»»»Ò¤Ï¡¢C ¸À¸ì¤Î±é»»»Ò¤È¤Û¤ÜƱ¤¸¤Ç¤¹¤¬¡¢ÆäËÃí°Õ¤¬¤Ê¤±¤ì ¤ÐÁ´¤Æ¤Î±é»»»Ò¤¬À°¿ô¡¢¼Â¿ô¡¢Ê£ÁÇ¿ô¤Î°ú¿ô¤ò¼è¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤Þ¤¿¡¢ FORTRAN ¤Ç»È¤¨¤ë ** (Îß¾è) ±é»»»Ò¤â¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤Þ¤¹¡£

±é»»¤Îɾ²Á¤Î½ç½ø¤òÊѹ¹¤¹¤ë¤Ë¤Ï¤«¤Ã¤³¤ò»È¤¤¤Þ¤¹¡£

1.14.2.1 ñ¹à±é»»»Ò (Unary)

°Ê²¼¤Ï¡¢Ã±¹à±é»»»Ò¤È¤½¤Î»ÈÍÑË¡¤Î°ìÍ÷¤Ç¤¹:

    µ­¹æ          Îã        ÀâÌÀ
      -           -a          ¥Þ¥¤¥Ê¥¹Éä¹æ
      +           +a          ¥×¥é¥¹Éä¹æ (²¿¤â¤·¤Ê¤¤)
      ~           ~a        * 1 ¤ÎÊä¿ô (¥Ó¥Ã¥Èȿž)
      !           !a        * ÏÀÍýŪÈÝÄê
      !           a!        * ³¬¾è
      $           $3        * using Æâ¤Ç¤Î°ú¿ô/Îó»ØÄê

ÀâÌÀ¤ËÀ±°õ (*) ¤Î¤Ä¤¤¤¿±é»»»Ò¤Î°ú¿ô¤ÏÀ°¿ô¤Ç¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£

±é»»»Ò¤ÎÍ¥Àè½ç°Ì¤Ï Fortran ¤ä C ¤ÈƱ¤¸¤Ç¤¹¡£¤½¤ì¤é¤Î¸À¸ìƱÍÍ¡¢±é»»¤Îɾ ²Á¤µ¤ì¤ë½ç½ø¤òÊѤ¨¤ë¤¿¤á¤Ë¤«¤Ã¤³¤¬»È¤ï¤ì¤Þ¤¹¡£¤è¤Ã¤Æ -2**2 = -4 ¤Ç¡¢ (-2)**2 = 4 ¤Ç¤¹¡£

³¬¾è±é»»»Ò¤Ï¡¢Â礭¤ÊÃͤòÊÖ¤»¤ë¤è¤¦¤Ë¼Â¿ô¤òÊÖ¤·¤Þ¤¹¡£

1.14.2.2 Æó¹à±é»»»Ò (Binary)

°Ê²¼¤Ï¡¢Æó¹à±é»»»Ò¤È¤½¤Î»ÈÍÑË¡¤Î°ìÍ÷¤Ç¤¹:

    µ­¹æ          Îã          ÀâÌÀ
      **          a**b          Îß¾è
      *           a*b           ÀÑ
      /           a/b           ¾¦
      %           a%b         * ;¤ê
      +           a+b           ÏÂ
      -           a-b           º¹
      ==          a==b          Åù¤·¤¤
      !=          a!=b          Åù¤·¤¯¤Ê¤¤
      <           a<b           ¤è¤ê¾®¤µ¤¤
      <=          a<=b          °Ê²¼
      >           a>b           ¤è¤êÂ礭¤¤
      >=          a>=b          °Ê¾å
      &           a&b         * ¥Ó¥Ã¥ÈÀÑ (AND)
      ^           a^b         * ¥Ó¥Ã¥ÈÇÓ¾ÏÀÍýÏ (XOR)
      |           a|b         * ¥Ó¥Ã¥ÈÏ (OR)
      &&          a&&b        * ÏÀÍýŪ AND
      ||          a||b        * ÏÀÍýŪ OR
      =           a = b         ÂåÆþ
      ,           (a,b)         Îß¼¡É¾²Á
      .           A.B           ʸ»úÎó¤ÎÏ¢·ë
      eq          A eq B        ʸ»úÎó¤¬Åù¤·¤¤
      ne          A ne B        ʸ»úÎó¤¬Åù¤·¤¯¤Ê¤¤

ÀâÌÀ¤ËÀ±°õ (*) ¤Î¤Ä¤¤¤¿±é»»»Ò¤Î°ú¿ô¤ÏÀ°¿ô¤Ç¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£ Âçʸ»ú¤Î A,B ¤Ï±é»»»Ò¤¬Ê¸»úÎó°ú¿ô¤òÍ׵᤹¤ë¤³¤È¤ò°ÕÌ£¤·¤Þ¤¹¡£

ÏÀÍý±é»»»Ò¤Î AND (&&) ¤È OR (||) ¤Ï C ¸À¸ìƱÍͤËɬÍ׺Ǿ®¸Â¤Îɾ²Á¤·¤«¤· ¤Þ¤»¤ó¡£¤¹¤Ê¤ï¤Á¡¢‘&&‘ ¤ÎÂè 2 °ú¿ô¤Ï¡¢Âè 1 °ú¿ô¤¬µ¶¤Ê¤é¤Ðɾ²Á¤µ¤ì¤Þ¤» ¤ó¤·¡¢‘||‘ ¤ÎÂè 2 °ú¿ô¤Ï¡¢Âè 1 °ú¿ô¤¬¿¿¤Ê¤é¤Ðɾ²Á¤µ¤ì¤Þ¤»¤ó¡£

Îß¼¡É¾²Á (,) ¤Ï¡¢¥«¥Ã¥³¤ÎÃæ¤Ç¤Î¤ßɾ²Á¤µ¤ì¡¢º¸¤«¤é±¦¤Ø½ç¤Ë¼Â¹Ô¤¹¤ë¤³¤È ¤¬Êݾڤµ¤ì¡¢ºÇ¤â±¦¤Î¼°¤ÎÃͤ¬ÊÖ¤µ¤ì¤Þ¤¹¡£

1.14.2.3 »°¹à±é»»»Ò (Ternary)

°ì¤Ä¤À¤±»°¹à±é»»»Ò¤¬¤¢¤ê¤Þ¤¹:

     µ­¹æ          Îã       ÀâÌÀ
      ?:          a?b:c     »°¹à±é»»»Ò

»°¹à±é»»»Ò¤Ï C ¤Î¤â¤Î¤ÈƱ¤¸Æ¯¤­¤ò¤·¤Þ¤¹¡£ºÇ½é¤Î°ú¿ô (a) ¤ÏÀ°¿ô¤Ç¤Ê¤±¤ì ¤Ð¤¤¤±¤Þ¤»¤ó¡£¤³¤ÎÃͤ¬É¾²Á¤µ¤ì¡¢¤½¤ì¤¬¿¿ (¥¼¥í¤Ç¤Ê¤¤) ¤Ê¤é¤Ð 2 ÈÖÌܤΠ°ú¿ô (b) ¤¬É¾²Á¤µ¤ì¤½¤ÎÃͤ¬ÊÖ¤µ¤ì¡¢¤½¤¦¤Ç¤Ê¤±¤ì¤Ð 3 ÈÖÌܤΰú¿ô (c) ¤¬ ɾ²Á¤µ¤ì¡¢¤½¤ÎÃͤ¬ÊÖ¤µ¤ì¤Þ¤¹¡£

»°¹à±é»»»Ò¤Ï¡¢¶èʬŪ¤ËÄêµÁ¤µ¤ì¤¿´Ø¿ô¤ä¡¢¤¢¤ë¾ò·ï¤¬Ëþ¤¿¤µ¤ì¤¿¾ì¹ç¤Ë¤Î¤ß ÅÀ¤òÉÁ²è¤¹¤ë¡¢¤È¤¤¤Ã¤¿¤³¤È¤ò¹Ô¤Ê¤¦¾ì¹ç¤ËÍ­ÍѤǤ¹¡£

Îã:

0 <= x < 1 ¤Ç¤Ï sin(x) ¤Ë¡¢1 <= x < 2 ¤Ç¤Ï 1/x ¤ËÅù¤·¤¯¤Æ¡¢¤½¤ì°Ê³°¤Î x ¤Ç¤ÏÄêµÁ¤µ¤ì¤Ê¤¤´Ø¿ô¤òÉÁ²è:

      f(x) = 0<=x && x<1 ? sin(x) : 1<=x && x<2 ? 1/x : 1/0
      plot f(x)

‘gnuplot‘ ¤Ï̤ÄêµÁÃͤËÂФ·¤Æ¤Ï²¿¤âɽ¼¨¤»¤º¤Ë¤¿¤À̵»ë¤¹¤ë¤Î¤Ç¡¢ºÇ¸å¤Î¾ì ¹ç¤Î´Ø¿ô (1/0) ¤ÏÅÀ¤ò²¿¤â½ÐÎϤ·¤Ê¤¤¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£¤Þ¤¿¡¢¤³¤Î ´Ø¿ôÉÁ²è¤ÎÉÁ²è¥¹¥¿¥¤¥ë¤¬ lines (ÀþÉÁ²è) ¤Î¾ì¹ç¡¢ÉÔϢ³ÅÀ (x=1) ¤Î½ê¤â Ϣ³´Ø¿ô¤È¤·¤ÆÀþ¤¬·ë¤Ð¤ì¤Æ¤·¤Þ¤¦¤³¤È¤Ë¤âÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£¤½¤ÎÅÀ¤òÉÔÏ¢ ³¤Ë¤Ê¤ë¤è¤¦¤Ë¤¹¤ë¤Ë¤Ï¡¢´Ø¿ô¤ò 2 ¤Ä¤ÎÉôʬ¤½¤ì¤¾¤ì¤Ëʬ¤±¤Æ¤¯¤À¤µ¤¤ (¤³ ¤Î¤è¤¦¤Ê¾ì¹ç¡¢ÇÞ²ðÊÑ¿ô´Ø¿ô¤ò»È¤¦¤Î¤¬ÊØÍø¤Ç¤¹)¡£

¥Õ¥¡¥¤¥ë ’file’ ¤Î¥Ç¡¼¥¿¤Ç¡¢4 ÎóÌܤΥǡ¼¥¿¤¬Éé¤Ç¤Ê¤¤¤È¤­¤À¤±¡¢1 ÎóÌܤΠ¥Ç¡¼¥¿¤Ë´Ø¤¹¤ë 2 ÎóÌÜ¤È 3 ÎóÌܤΥǡ¼¥¿¤ÎÊ¿¶ÑÃͤòÉÁ²è:

      plot 'file' using 1:( $4<0 ? 1/0 : ($2+$3)/2 )

using ¤Î½ñ¼°¤ÎÀâÌÀ¤Ë´Ø¤·¤Æ¤Ï¡¢°Ê²¼»²¾È: using¡£

1.14.3 ÏÂ (Summation)

Ï¤μ°¤Ï¡¢°Ê²¼¤Î·Á¼°¤Çɽ¤·¤Þ¤¹:

      sum [<var> = <start> : <end>] <expression>

¤³¤³¤Ç <var> ¤Ï¡¢<start> ¤«¤é <end> ¤Þ¤Ç¤ÎÀ°¿ôÃͤò½ç¤Ë¼è¤ëÀ°¿ôÊÑ¿ô¤È¤· ¤Æ°·¤ï¤ì¤Þ¤¹¡£¤½¤Î³ÆÃͤËÂФ·¤Æ¡¢¼° <expression> ¤ÎÃͤ¬¹ç·×ÃͤËÄɲ䵤졢 ºÇ½ªÅª¤Ê¹ç·×Ãͤ¬¤³¤ÎÏ¤μ°¤ÎÃͤȤʤê¤Þ¤¹¡£ Îã:

      print sum [i=1:10] i
          55.
      # °Ê²¼¤Ï plot 'data' using 1:($2+$3+$4+$5+$6+...) ¤ÈƱÅù
      plot 'data' using 1 : (sum [col=2:MAXCOL] column(col))

<expression> ¤Ï¡¢É¬¤º¤·¤âÊÑ¿ô <var> ¤ò´Þ¤àɬÍפϤ¢¤ê¤Þ¤»¤ó¡£<start> ¤È <end> ¤ÏÊÑ¿ôÃͤä¿ô¼°¤Ç»ØÄê¤â¤Ç¤­¤Þ¤¹¤¬¡¢¤½¤ì¤é¤ÎÃͤÏưŪ¤ËÊѹ¹¤¹¤ë¤³¤È ¤Ï¤Ç¤­¤Þ¤»¤ó¡£¤½¤¦¤Ç¤Ê¤¤¤ÈÉûºîÍѤ¬µ¯¤³¤êÆÀ¤Þ¤¹¡£<end> ¤¬ <start> ¤è¤ê ¾®¤µ¤¤¾ì¹ç¤Ï¡¢Ï¤ÎÃÍ¤Ï 0 ¤È¤Ê¤ê¤Þ¤¹¡£

1.14.4 ÄêµÁºÑ¤ßÊÑ¿ô (Gnuplot-defined variables)

gnuplot ¤Ï¡¢¥×¥í¥°¥é¥à¤Î¸½ºß¤ÎÆâÉô¾õÂÖ¤ÈľÁ°¤ÎÉÁ²è¤òÈ¿±Ç¤¹¤ë¤è¤¦¤ÊÆÉ¤ß ½Ð¤·ÀìÍѤÎÊÑ¿ô¤ò¤¤¤¯¤Ä¤«»ý¤Ã¤Æ¤¤¤Þ¤¹¡£¤³¤ì¤é¤ÎÊÑ¿ô¤Î̾Á°¤Ï¡¢Î㤨¤Ð GPVAL_TERM, GPVAL_X_MIN, GPVAL_X_MAX, GPVAL_Y_MIN ¤Î¤è¤¦¤Ë "GPVAL_" ¤Ç »Ï¤Þ¤ê¤Þ¤¹¡£¤³¤ì¤é¤¹¤Ù¤Æ¤Î°ìÍ÷¤È¤½¤ÎÃͤò¸«¤ë¤Ë¤Ï¡¢‘show variables all‘ ¤ÈÆþÎϤ·¤Æ¤¯¤À¤µ¤¤¡£¤¿¤À¤·¡¢¼´¤Î¥Ñ¥é¥á¡¼¥¿¤Ë´ØÏ¢¤¹¤ëÃÍ (ÈÏ°Ï¡¢Âпô¼´¤Ç ¤¢¤ë¤«Åù) ¤Ï¡¢¸½ºß ‘set‘ ¤·¤¿¤â¤Î¤Ç¤Ï¤Ê¤¯¡¢ºÇ¸å¤ËÉÁ²è¤µ¤ì¤¿¤â¤Î¤¬»ÈÍÑ ¤µ¤ì¤Þ¤¹¡£

Îã: ÅÀ [X,Y] ¤Î¥¹¥¯¥ê¡¼¥óÈæ¤Ç¤ÎºÂɸ¤ò·×»»¤¹¤ëÊýË¡

     GRAPH_X = (X - GPVAL_X_MIN) / (GPVAL_X_MAX - GPVAL_X_MIN)
     GRAPH_Y = (Y - GPVAL_Y_MIN) / (GPVAL_Y_MAX - GPVAL_Y_MIN)
     SCREEN_X = GPVAL_TERM_XMIN + GRAPH_X * (GPVAL_TERM_XMAX - GPVAL_TERM_XMIN)
     SCREEN_Y = GPVAL_TERM_YMIN + GRAPH_Y * (GPVAL_TERM_YMAX - GPVAL_TERM_YMIN)
     FRAC_X = SCREEN_X / GPVAL_TERM_XSIZE
     FRAC_Y = SCREEN_Y / GPVAL_TERM_YSIZE

Æɤ߽Ф·ÀìÍÑÊÑ¿ô GPVAL_ERRNO ¤Ï¡¢Ç¤°Õ¤Î gnuplot ¥³¥Þ¥ó¥É¤¬¤¢¤ë¥¨¥é¡¼¤Î ¤¿¤á¤ËÁ᤯½ª¤ï¤Ã¤Æ¤·¤Þ¤Ã¤¿¾ì¹ç¤Ë 0 ¤Ç¤Ê¤¤Ãͤ˥»¥Ã¥È¤µ¤ì¡¢Ä¾Á°¤Î¥¨¥é¡¼ ¥á¥Ã¥»¡¼¥¸¤Ïʸ»úÎóÊÑ¿ô GPVAL_ERRMSG ¤ËÊݸ¤µ¤ì¤Þ¤¹¡£GPVAL_ERRNO ¤È GPVAL_ERRMSG ¤Ï¡¢¥³¥Þ¥ó¥É ‘reset errors‘ ¤ò»È¤Ã¤Æ¥¯¥ê¥¢¤Ç¤­¤Þ¤¹¡£

‘mouse‘ µ¡Ç½¤¬»È¤¨¤ëÂÐÏ÷¿Æþ½ÐÎÏ·Á¼°¤Ï¡¢"MOUSE_" ¤Ç»Ï¤Þ¤ëÆɤ߽Ф·ÀìÍÑ ÊÑ¿ô¤ò¤¤¤¯¤Ä¤«»ý¤Ã¤Æ¤¤¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: variables¡£

‘fit‘ µ¡Ç½¤Ï¡¢"FIT_" ¤Ç»Ï¤Þ¤ë¤¤¤¯¤Ä¤«¤ÎÊÑ¿ô¤ò»ÈÍѤ·¤Þ¤¹¤Î¤Ç¡¢¤½¤Î¤è¤¦ ¤Ê̾Á°¤ò»È¤¦¤Î¤ÏÈò¤±¤ë¤Ù¤­¤Ç¤·¤ç¤¦¡£¤·¤«¤·¡¢‘fit‘ ¤Î»ÈÍѤ˺ݤ·¤Æ¤Ï¡¢Îã ¤¨¤Ð "FIT_LIMIT" ¤Î¤è¤¦¤ËºÆÄêµÁ¤ò¤¹¤ëɬÍפ¬¤¢¤ë¤è¤¦¤ÊÊÑ¿ô¤Ï¤¢¤ê¤Þ¤¹¡£ ‘set fit errorvariables‘ ¤È¤¹¤ë¤È³ÆÅö¤Æ¤Ï¤áÊÑ¿ô¤Î¥¨¥é¡¼¤Ï¡¢¤½¤Î¥Ñ¥é¥á ¡¼¥¿Ì¾¤Ë "_err" ¤òÄɲä·¤¿ÊÑ¿ô¤ËÊݸ¤µ¤ì¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: ‘fit‘¡£

°Ê²¼¤â»²¾È: variables, ‘reset errors‘, variables, ‘fit‘¡£

1.14.5 ¥æ¡¼¥¶ÄêµÁ¤ÎÊÑ¿ô¤È´Ø¿ô (User-defined)

¿·¤¿¤Ê¥æ¡¼¥¶ÄêµÁÊÑ¿ô¤È 1 ¸Ä¤«¤é 12 ¸Ä¤Þ¤Ç¤Î°ú¿ô¤ò»ý¤Ä¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤ò¡¢ Ǥ°Õ¤Î¾ì½ê¤ÇÄêµÁ¤·¤¿¤ê»È¤Ã¤¿¤ê¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤½¤ì¤Ï plot ¥³¥Þ¥ó ¥É¾å¤Ç¤â²Äǽ¤Ç¤¹¡£

¥æ¡¼¥¶ÄêµÁ´Ø¿ô½ñ¼°:

      <func-name>( <dummy1> {,<dummy2>} ... {,<dummy12>} ) = <expression>

¤³¤³¤Ç <expression> ¤Ï²¾ÊÑ¿ô <dummy1> ¤«¤é <dummy12> ¤Çɽ¤µ¤ì¤ë¿ô¼°¤Ç¤¹¡£

¥æ¡¼¥¶ÄêµÁÊÑ¿ô½ñ¼°:

      <variable-name> = <constant-expression>

Îã:

      w = 2
      q = floor(tan(pi/2 - 0.1))
      f(x) = sin(w*x)
      sinc(x) = sin(pi*x)/(pi*x)
      delta(t) = (t == 0)
      ramp(t) = (t > 0) ? t : 0
      min(a,b) = (a < b) ? a : b
      comb(n,k) = n!/(k!*(n-k)!)
      len3d(x,y,z) = sqrt(x*x+y*y+z*z)
      plot f(x) = sin(x*a), a = 0.2, f(x), a = 0.4, f(x)

      file = "mydata.inp"
      file(n) = sprintf("run_%d.dat",n)

ºÇ¸å¤Î 2 ¹Ô¤ÎÎã¤Ï¡¢¥æ¡¼¥¶ÄêµÁʸ»úÎóÊÑ¿ô¤È¡¢¥æ¡¼¥¶ÄêµÁʸ»úÎó´Ø¿ô¤ò°ÕÌ£ ¤·¤Æ¤¤¤Þ¤¹¡£

ÊÑ¿ô ‘pi‘ (3.14159...) ¤È ‘NaN‘ (IEEE Èó¿ô ("Not a Number")) ¤Ï¤¢¤é¤« ¤¸¤áÄêµÁ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£¤³¤ì¤é¤¬É¬Íפʤ±¤ì¤Ð¡¢Â¾¤Î¤â¤Î¤ËºÆÄêµÁ¤¹¤ë¤³¤È¤â ²Äǽ¤Ç¤¹¤·¡¢°Ê²¼¤Î¤è¤¦¤Ë¤·¤Æ¸µ¤ÎÃͤËÉüµ¢¤¹¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹:

      NaN = GPVAL_NaN
      pi  = GPVAL_pi

¾¤Ë¤â¤¤¤¯¤Ä¤«¤ÎÊÑ¿ô¤¬¡¢Î㤨¤ÐÂÐÏ÷¿Æþ½ÐÎÏ·Á¼°¤Ç¤Î¥Þ¥¦¥¹Áàºî¤äÅö¤Æ¤Ï¤á (fit) ¤Ê¤É¤Î gnuplot ¤ÎÆ°ºî¾õÂ֤˱þ¤¸¤ÆÄêµÁ¤µ¤ì¤Þ¤¹¡£¾ÜºÙ¤Ï °Ê²¼»²¾È: variables¡£

¤¢¤ëÊÑ¿ô V ¤¬´û¤ËÄêµÁ¤µ¤ì¤Æ¤¤¤ë¤«¤É¤¦¤«¤Ï¡¢¼° exists("V") ¤Ç¥Á¥§¥Ã¥¯¤Ç ¤­¤Þ¤¹¡£Îã:

      a = 10
      if (exists("a")) print "a is defined"
      if (!exists("b")) print "b is not defined"

ÊÑ¿ô̾¤ä´Ø¿ô̾¤Î̿̾µ¬Â§¤Ï¡¢ÂçÄñ¤Î¥×¥í¥°¥é¥ß¥ó¥°¸À¸ì¤ÈƱ¤¸¤Ç¡¢ÀèƬ¤Ï¥¢ ¥ë¥Õ¥¡¥Ù¥Ã¥È¤Ç¡¢¤½¤Î¸å¤Îʸ»ú¤Ï¥¢¥ë¥Õ¥¡¥Ù¥Ã¥È¡¢¿ô»ú¡¢"_" ¤¬»È¤¨¤Þ¤¹¡£

³Æ´Ø¿ô¤ÎÄêµÁ¼°¤Ï¡¢’GPFUN_’ ¤È¤¤¤¦ÀÜƬ¼­¤ò»ý¤ÄÆÃÊ̤Êʸ»úÎóÃÍÊÑ¿ô¤È¤·¤Æ ÍøÍѤǤ­¤Þ¤¹¡£

Îã:

      set label GPFUN_sinc at graph .05,.95

°Ê²¼»²¾È: functions, functions, variables, macros, value¡£

1.15 ¥Õ¥©¥ó¥È

gnuplot ¤½¤ì¼«¿È¤Ë¤Ï¤É¤ó¤Ê¥Õ¥©¥ó¥È¤â´Þ¤Þ¤ì¤Æ¤Ï¤ª¤é¤º¡¢³°Éô¥Õ¥©¥ó¥È½èÍý ¤ËÍê¤Ã¤Æ¤¤¤ë¤À¤±¤Ç¡¢¤½¤ÎºÙÉô¤ÏÈᤷ¤¤¤³¤È¤Ë½ÐÎÏ·Á¼°Ëè¤Ë°Û¤Ê¤ê¤Þ¤¹¡£¤³¤³ ¤Ç¤Ï¡¢Ê£¿ô¤Î½ÐÎÏ·Á¼°¤ËŬÍѤµ¤ì¤ë¥Õ¥©¥ó¥Èµ¡¹½¤Ë¤Ä¤¤¤ÆÀâÌÀ¤·¤Þ¤¹¡£¤³¤³¤Ë ¾å¤²¤¿¤â¤Î°Ê³°¤Î½ÐÎÏ·Á¼°¤Ç¤Î¥Õ¥©¥ó¥È¤Î»ÈÍѤ˴ؤ·¤Æ¤Ï¡¢¤½¤Î½ÐÎÏ·Á¼°¤Î¥É ¥­¥å¥á¥ó¥È¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£

1.15.1 cairo (pdfcairo, pngcairo, epscairo, wxt ½ÐÎÏ·Á¼°)

¤¹¤ß¤Þ¤»¤ó¡£¤³¤Î¥»¥¯¥·¥ç¥ó¤Ï¤Þ¤À¤Ç¤­¤Æ¤¤¤Þ¤»¤ó¡£ ¤³¤ì¤é¤Î½ÐÎÏ·Á¼°¤Ï¡¢¥Õ¥©¥ó¥È¤Î¸¡º÷¤È¥¢¥¯¥»¥¹¤Ë³°Éô¤Î fontconfig ¥Ä¡¼¥ë ·²¤ò»ÈÍѤ·¤Þ¤¹¡£ fontconfig ¥æ¡¼¥¶¥Þ¥Ë¥å¥¢¥ë ¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£¤³¤ì¤Ï¡¢gnuplot ¤Ç°ìÈÌŪ¤Ê̾Á°¤ä¥µ¥¤¥º¤Ç¥Õ¥©¥ó¥È¤ò Í׵᤹¤ë¤³¤È¤ò²Äǽ¤Ë¤·¡¢É¬Íפʤé¤Ð fontconfig ¤ËƱÅù¤Î¥Õ¥©¥ó¥È¤òÂåÍѤµ ¤»¤ë¤³¤È¤â¤Ç¤­¤ë¤Î¤Ç¡¢Ä̾ï¤Ï¤³¤ì¤Ç½½Ê¬¤Ç¤·¤ç¤¦¡£°Ê²¼¤Ï¡¢Â¿Ê¬¤¤¤º¤ì¤âµ¡ ǽ¤·¤Þ¤¹:

     set term pdfcairo font "sans,12"
     set term pdfcairo font "Times,12"
     set term pdfcairo font "Times-New-Roman,12"

1.15.2 gd (png, gif, jpeg terminals)

png, gif, jpeg ½ÐÎÏ·Á¼°¤Î¥Õ¥©¥ó¥È½èÍý¤Ï¡¢³°Éô¥é¥¤¥Ö¥é¥ê libgd ¤Ë¤è¤Ã¤Æ ¹Ô¤ï¤ì¤Þ¤¹¡£libgd ¤Ï¡¢¼¡¤Î 5 ¼ïÎà¤Î´ðËÜ¥Õ¥©¥ó¥È¤òľÀÜÄ󶡤·¤Æ¤¤¤Þ¤¹: ‘tiny‘ (5x8 ¥Ô¥¯¥»¥ë), ‘small‘ (6x12 ¥Ô¥¯¥»¥ë), ‘medium‘, (7x13 Bold), ‘large‘ (8x16), ‘giant‘ (9x15 ¥Ô¥¯¥»¥ë)¡£¤³¤ì¤é¤Î¥Õ¥©¥ó¥È¤ÏÂ礭¤µ¤òÊÑ ¹¹¤·¤¿¤ê²óž¤·¤¿¤ê¤¹¤ë¤³¤È¤Ï¤Ç¤­¤Þ¤»¤ó¡£»ÈÍѤ¹¤ëºÝ¤Ï¡¢‘font‘ ¥­¡¼¥ï¡¼ ¥É¤ÎÂå¤ï¤ê¤Ë¾å¤Î¥­¡¼¥ï¡¼¥É¤ò»ØÄꤷ¤Þ¤¹¡£Îã:

     set term png tiny

¿¤¯¤Î¥·¥¹¥Æ¥à¤Ç¡¢libgd ¤Ï Adobe Type 1 ¥Õ¥©¥ó¥È (*.pfa) ¤È TrueType ¥Õ¥©¥ó¥È¤Ø¤Î¥¢¥¯¥»¥¹¤âÄ󶡤·¤Þ¤¹¡£¤½¤Î¾ì¹ç¥Õ¥©¥ó¥È¼«¿È¤Î̾Á°¤Ç¤Ï¤Ê¤¯¡¢ ¥Õ¥©¥ó¥È¥Õ¥¡¥¤¥ë¤Î̾Á°¤ò¡¢"<face> {,<pointsize>}" ¤Î·Á¼°¤ÇÍ¿¤¨¤Þ¤¹¡£ ¤³¤³¤Ç¡¢<face> ¤Ï¥Õ¥©¥ó¥È¥Õ¥¡¥¤¥ë¤Î¥Õ¥ë¥Ñ¥¹Ì¾¤«¡¢¤Þ¤¿¤Ï´Ä¶­ÊÑ¿ô GDFONTPATH ¤Ç»Ø¼¨¤µ¤ì¤ë¥Ç¥£¥ì¥¯¥È¥ê¤Î°ì¤Ä¤ÎÃæ¤Î¥Õ¥¡¥¤¥ë̾¤ÎÀèƬÉôʬ¡¢ ¤Î¤¤¤º¤ì¤«¤Ç¤¹¡£¤è¤Ã¤Æ¡¢’set term png font "Face"’ ¤Ï¡¢ <¤¢¤ë¥Ç¥£¥ì¥¯¥È¥ê>/Face.ttf ¤« <¤¢¤ë¥Ç¥£¥ì¥¯¥È¥ê>/Face.pfa ¤È¤¤¤¦¥Õ¥¡ ¥¤¥ë̾¤Î¥Õ¥©¥ó¥È¤òõ¤½¤¦¤È¤·¤Þ¤¹¡£Î㤨¤Ð¡¢GDFONTPATH ¤Ë ‘/usr/local/fonts/ttf:/usr/local/fonts/pfa‘ ¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢°Ê²¼ ¤Î¥³¥Þ¥ó¥É¤Î 2 ¤Ä¤º¤Ä¤Ï¤¤¤º¤ì¤âƱ¤¸¤³¤È¤Ë¤Ê¤ê¤Þ¤¹:

     set term png font "arial"
     set term png font "/usr/local/fonts/ttf/arial.ttf"
     set term png font "Helvetica"
     set term png font "/usr/local/fonts/pfa/Helvetica.pfa"

¥Ç¥Õ¥©¥ë¥È¤Î¥Õ¥©¥ó¥È¥µ¥¤¥º¤âƱ»þ¤Ë»ØÄꤹ¤ë¤Ë¤Ï:

     set term png font "arial,11"

TrueType ¤È Adobe Type 1 ¥Õ¥©¥ó¥È¤Ï¡¢´°Á´¤ËÂ礭¤µ¤ÎÊѹ¹¤ä²óž¤¬²Äǽ¤Ç ¤¹¡£"set term" ¥³¥Þ¥ó¥É¤Ç¥Õ¥©¥ó¥È¤ò»ØÄꤷ¤Ê¤«¤Ã¤¿¾ì¹ç¡¢gnuplot ¤ÏÊ̤Π¥Ç¥Õ¥©¥ë¥È¥Õ¥©¥ó¥È¤ÎÀßÄ꤬¤¢¤ë¤«¤É¤¦¤«¤òÄ´¤Ù¤ë¤¿¤á¤Ë´Ä¶­ÊÑ¿ô GNUPLOT_DEFAULT_GDFONT ¤ò»²¾È¤·¤Þ¤¹¡£

1.15.3 postscript (¥«¥×¥»¥ë²½ postscript *.eps ¤â)

PostScript ¥Õ¥©¥ó¥È½èÍý¤Ï¡¢¥×¥ê¥ó¥¿¤«É½¼¨¥½¥Õ¥È¤¬¹Ô¤¤¤Þ¤¹¡£¤â¤·¡¢¤¢¤Ê ¤¿¤Î¥³¥ó¥Ô¥å¡¼¥¿¤Ë¥Õ¥©¥ó¥È¤¬°ìÀڤʤ¯¤Æ¤â¡¢gnuplot ¤ÏÀµ¤·¤¤ PostScript ¥Õ¥¡¥¤¥ë¡¢¤Þ¤¿¤Ï¥«¥×¥»¥ë²½ PostScript (*.eps) ¥Õ¥¡¥¤¥ë¤òÀ¸À®¤Ç¤­¤Þ¤¹¡£ gnuplot ¤Ïñ¤Ë½ÐÎÏ¥Õ¥¡¥¤¥ëÃæ¤Ë¥Õ¥©¥ó¥È¤ò̾Á°¤È¤·¤ÆÆþ¤ì¤ë¤À¤±¤Ç¡¢¥×¥ê¥ó ¥¿¤äɽ¼¨¥½¥Õ¥È¤¬¤½¤Î̾Á°¤«¤é¥Õ¥©¥ó¥È¤ò¸«¤Ä¤±¤ë¤«¶á»÷¤¹¤ë¤³¤È¤ò²¾Äꤷ¤Æ ¤¤¤Þ¤¹¡£

PostScript ¥×¥ê¥ó¥¿¤äɽ¼¨¥½¥Õ¥È¤Ï¤¹¤Ù¤Æ¡¢É¸½àŪ¤Ê Adobe ¥Õ¥©¥ó¥È¥»¥Ã¥È ‘Times-Roman‘, ‘Helvetica‘, ‘Courier‘, ‘Symbol‘ ¤ÏÃΤäƤ¤¤ë¤Ï¤º¤Ç¤¹¡£ ¿ʬ¤½¤Î¾¤Ë¤â¿¤¯¤Î¥Õ¥©¥ó¥È¤¬»È¤¨¤ë¤è¤¦¤Ë¤Ê¤Ã¤Æ¤¤¤ë¤È»×¤¤¤Þ¤¹¤¬¡¢¤½¤ì ¤éÆÃÄê¤Î¥Õ¥©¥ó¥È¥»¥Ã¥È¤Ï¤¢¤Ê¤¿¤Î¥·¥¹¥Æ¥à¤ä¥×¥ê¥ó¥¿¤ÎÀßÄê¤Ë°Í¸¤·¤Þ¤¹¡£ gnuplot ¤Ï¡¢¤½¤ì¤ÏÃΤê¤Þ¤»¤ó¤·µ¤¤Ë¤â¤·¤Þ¤»¤ó¡£gnuplot ¤¬ºîÀ®¤·¤¿ *.ps ¤ä *.eps ½ÐÎϤϡ¢¤¢¤Ê¤¿¤ÎÍ׵ᤷ¤¿¥Õ¥©¥ó¥È̾¤òñ¤Ë»ý¤Ã¤Æ¤¤¤ë¤À¤±¤Ç¤¹¡£

¤è¤Ã¤Æ¡¢

     set term postscript eps font "Times-Roman,12"

¤Ï¡¢¤¹¤Ù¤Æ¤Î¥×¥ê¥ó¥¿¤äɽ¼¨¥½¥Õ¥È¤ËŬÀڤʽÐÎϤòºîÀ®¤·¤Þ¤¹¡£

°ìÊý¡¢

     set term postscript eps font "Garamond-Premier-Pro-Italic"

¤Ï¡¢Àµ¤·¤¤ PostScript ¤ò´Þ¤à½ÐÎÏ¥Õ¥¡¥¤¥ë¤òºîÀ®¤·¤Þ¤¹¤¬¡¢¤½¤ì¤ÏÆüì¤Ê¥Õ ¥©¥ó¥È¤ò»²¾È¤·¤Þ¤¹¤Î¤Ç¡¢°ìÉô¤Î¥×¥ê¥ó¥¿¤äɽ¼¨¥½¥Õ¥È¤·¤«¡¢Í׵ᤷ¤¿¤½¤ÎÆà Äê¤Î¥Õ¥©¥ó¥È¤Ïɽ¼¨¤Ç¤­¤Ê¤¤¤Ç¤·¤ç¤¦¡£ÂçÄñ¤Î¾ì¹ç¤ÏÊ̤ʥե©¥ó¥È¤ÇÂåÍѤµ¤ì ¤Þ¤¹¡£

¤·¤«¤·¡¢»ØÄꤷ¤¿¥Õ¥©¥ó¥È¤ò½ÐÎÏ¥Õ¥¡¥¤¥ëÃæ¤ËËä¤á¹þ¤ó¤Ç¡¢¤É¤ó¤Ê¥×¥ê¥ó¥¿¤Ç ¤â¤½¤ì¤ò»È¤¦¤è¤¦¤Ë¤¹¤ë¤³¤È¤â²Äǽ¤Ç¤¹¡£¤³¤ì¤Ë¤Ï¡¢¤¢¤Ê¤¿¤Î¥·¥¹¥Æ¥à¤ËŬÀÚ ¤Ê¥Õ¥©¥ó¥Èµ­½Ò¥Õ¥¡¥¤¥ë¤¬¤¢¤ë¤³¤È¤¬É¬ÍפȤʤê¤Þ¤¹¡£¤³¤ÎÊýË¡¤Ç¥Õ¥©¥ó¥È¤ò Ëä¤á¹þ¤à¾ì¹ç¡¢ÆÃÄê¤Î¥é¥¤¥»¥ó¥¹¤¬É¬ÍפȤʤë¥Õ¥©¥ó¥È¥Õ¥¡¥¤¥ë¤â¤¢¤ë¤³¤È¤Ë Ãí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£¤è¤ê¾ÜºÙ¤ÊÀâÌÀ¤äÎã¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: ‘postscript fontfile‘¡£

1.16 ¥Ø¥ë¥×¤ÎÍѸì²òÀâ (Glossary)

¤³¤Î¥É¥­¥å¥á¥ó¥ÈÁ´ÂΤËÅϤäơ¢ÍѸì¤Ë´Ø¤¹¤ë°ì´ÓÀ­¤Î°Ý»ý¤¬¹Í¤¨¤é¤ì¤Æ¤¤¤Þ ¤¹¡£¤·¤«¤·¤³¤Î»î¤ß¤Ï´°Á´¤Ë¤ÏÀ®¸ù¤·¤Æ¤¤¤Þ¤»¤ó¡£¤½¤ì¤Ï ‘gnuplot‘ ¤¬»þ´Ö ¤ò¤«¤±¤Æ¿Ê²½¤·¤Æ¤­¤¿¤è¤¦¤Ë¡¢¥³¥Þ¥ó¥É¤ä¥­¡¼¥ï¡¼¥É¤Î̾Á°¤â¤½¤Î¤è¤¦¤Ê´°Á´ À­¤òÇÓ½ü¤¹¤ë¤«¤Î¤è¤¦¤ËºÎÍѤµ¤ì¤ÆÍè¤Æ¤¤¤ë¤«¤é¤Ç¤¹¡£¤³¤ÎÀá¤Ç¤Ï¡¢¤³¤ì¤é¤Î ¥­¡¼¥ï¡¼¥É¤Î¤¤¤¯¤Ä¤«¤¬¤É¤Î¤è¤¦¤Ë»È¤ï¤ì¤Æ¤¤¤ë¤«¤òÀâÌÀ¤·¤Þ¤¹¡£

"¥Ú¡¼¥¸ (page)"¡¢"ɽ¼¨²èÌÌ (screen)"¡¢"¥­¥ã¥ó¥Ð¥¹ (canvas)" ¤Ï¡¢ ‘gnuplot‘ ¤¬¥¢¥¯¥»¥¹²Äǽ¤ÊÎΰèÁ´ÂΤò»Ø¤·¤Þ¤¹¡£¥Ç¥¹¥¯¥È¥Ã¥×¤Ç¤Ï¤½¤ì¤Ï¥¦ ¥£¥ó¥É¥¦Á´ÂΤò»Ø¤·¡¢¥×¥í¥Ã¥¿¤Ç¤Ï¡¢°ìËç¤Î»æÁ´ÂΡ¢svga ¥â¡¼¥É¤Ç¤Ï¡¢¥â¥Ë ¥¿¥¹¥¯¥ê¡¼¥óÁ´ÂΤò»Ø¤·¤Þ¤¹¡£

ɽ¼¨²èÌ̤ϡ¢°ì¤Ä¡¢¤Þ¤¿¤Ï¤½¤ì°Ê¾å¤Î "¥°¥é¥ÕÉÁ²è (plot)" ¤ò´Þ¤ß¤Þ¤¹¡£¥° ¥é¥ÕÉÁ²è¤Ï°ì¤Ä¤Î²£ºÂɸ¤È°ì¤Ä¤Î½ÄºÂɸ¤ÇÄêµÁ¤µ¤ì¤Þ¤¹¤¬¡¢Í¾Çò (margin) ¤ä ¤½¤ÎÃæ¤Ë½ñ¤«¤ì¤ëʸ»úÎó (text) ƱÍÍ¡¢¤½¤ì¤é¤Ï¼ÂºÝ¤Ë¤½¤Î¾å¤Ëɽ¼¨¤µ¤ì¤Æ¤¤ ¤ëɬÍפϤ¢¤ê¤Þ¤»¤ó¡£

¥°¥é¥ÕÉÁ²è¤Ï°ì¤Ä¤Î "¥°¥é¥Õ" ¤ò´Þ¤ß¤Þ¤¹¡£¥°¥é¥Õ¤Ï°ì¤Ä¤Î²£ºÂɸ¤È°ì¤Ä¤Î½Ä ºÂɸ¤ÇÄêµÁ¤µ¤ì¤Þ¤¹¤¬¡¢¤³¤ì¤é¤Ï¼ÂºÝ¤Ë¤½¤Î¾å¤Ëɽ¼¨¤µ¤ì¤Æ¤¤¤ëɬÍפϤ¢¤ê¤Þ ¤»¤ó¡£

¥°¥é¥Õ¤Ï°ì¤Ä¤Þ¤¿¤Ï¤½¤ì°Ê¾å¤Î "¶ÊÀþ (line)" ¤ò´Þ¤ß¤Þ¤¹¡£¶ÊÀþ¤Ï°ì¤Ä¤Î´Ø ¿ô¡¢¤Þ¤¿¤Ï¥Ç¡¼¥¿½¸¹ç¤Ç¤¹¡£ÍѸì "line" ¤ÏÉÁ²è¥¹¥¿¥¤¥ë¤È¤·¤Æ¤â»È¤ï¤ì¤Þ¤¹¡£ ¤µ¤é¤Ë¤³¤ÎÍѸì¤Ï "ʸ»úÎó¤Î°ì¹Ô (a line of text)" ¤Î¤è¤¦¤Ë»È¤ï¤ì¤ë¤³¤È ¤â¤¢¤ê¤Þ¤¹¡£Â¿Ê¬Ê¸Ì®¤«¤é¤½¤ì¤é¤Ï¶èÊ̤Ǥ­¤ë¤Ç¤·¤ç¤¦¡£

°ì¤Ä¤Î¥°¥é¥Õ¾å¤ÎÊ£¿ô¤Î¶ÊÀþ¤Ï¤½¤ì¤¾¤ì̾Á°¤ò»ý¤Á¤Þ¤¹¡£¤½¤Î̾Á°¤Ï¡¢¤½¤Î¶Ê Àþ¤Îɽ¸½¤Ë»È¤ï¤ì¤ëÉÁ²è¥¹¥¿¥¤¥ë¤Î¥µ¥ó¥×¥ë¤È¤È¤â¤Ë "(ÀâÌÀ) key" Æâ¤Ë°ìÍ÷ ɽ¼¨¤µ¤ì¤Þ¤¹¡£ÀâÌÀ¤Ï¡¢»þ¤Ë¤Ï "(ɽÂê) legend" ¤È¤â¸Æ¤Ð¤ì¤Þ¤¹¡£

ÍѸì "¥¿¥¤¥È¥ë (title)" ¤Ï ‘gnuplot‘ ¤Ç¤ÏÊ£¿ô¤Î°ÕÌ£¤Ç»È¤ï¤ì¤Þ¤¹¡£¤³¤Î ¥É¥­¥å¥á¥ó¥È¤Ç¤Ï¤½¤ì¤é¤ò¶èÊ̤¹¤ë¤¿¤á¤Ë¡¢·ÁÍÆ»ì¤È¤·¤Æ "ÉÁ²è¤Î (plot)"¡¢ "¶ÊÀþ¤Î (line)"¡¢"ÀâÌÀ¤Î (key)" ¤òƬ¤Ë¤Ä¤±¤¿¤ê¤â¤·¤Þ¤¹¡£ 2 ¼¡¸µ¤Î¥°¥é¥Õ¤Ï 4 ¤Ä¤Þ¤Ç¤Î¸«½Ð¤·ÉÕ¤±¤µ¤ì¤ë¼´¤ò»ý¤Ä¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤³ ¤ì¤é 4 ¤Ä¤Î¼´¤Î̾Á°¤Ï¤½¤ì¤¾¤ì¡¢¥°¥é¥ÕÉÁ²è¤Î²¼¤Î¶­³¦¤Ë±è¤¦¼´¤Ç¤¢¤ë "x"¡¢ º¸¤Î¶­³¦¤Ë±è¤¦¼´ "y"¡¢¾å¤Î¶­³¦¤Ë±è¤¦¼´ "x2"¡¢±¦¤Î¶­³¦¤Ë±è¤¦¼´ "y2" ¤È ¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£°Ê²¼»²¾È: ‘axes‘¡£

3 ¼¡¸µ¤Î¥°¥é¥Õ¤Ï 3 ¤Ä¤Þ¤Ç¤Î¸«½Ð¤·ÉÕ¤±¤µ¤ì¤ë¼´ (‘axes‘) "x","y","z" ¤ò »ý¤Ä¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤É¤ÎÆÃÄê¤Î¼´¤Ë´Ø¤·¤Æ¤â¤½¤ì¤¬¥°¥é¥Õ¾å¤Ç¤É¤³¤Ë½ñ¤«¤ì ¤ë¤«¤ò½Ò¤Ù¤ë¤³¤È¤Ï¤Ç¤­¤Þ¤»¤ó¡£¤½¤ì¤Ï¡¢view ¤Ç¥°¥é¥Õ¤ò¸«¤ëÊý¸þ¤ò Êѹ¹¤Ç¤­¤ë¤«¤é¤Ç¤¹¡£

¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Ë´Ø¤¹¤ëµÄÏÀ¤Ç¤Ï¡¢ÍѸì "¹Ô (record)" ¤òÉü³è¤·¡¢¥Õ¥¡¥¤¥ë ¤Î°ì¹Ô¤Îʸ»úÎ󡢤¹¤Ê¤ï¤Á¡¢²þ¹Ôʸ»ú¤ä¹ÔËöʸ»úƱ»Î¤Î´Ö¤Îʸ»úÎ󡢤ò»Ø¤·¼¨ ¤¹¤Î¤Ë»È¤¤¤Þ¤¹¡£"ÅÀ (point)" ¤Ï¹Ô¤«¤é¼è¤ê½Ð¤·¤¿°ì¤Ä¤Î¥Ç¡¼¥¿¤Ç¤¹¡£"¥Ç¡¼ ¥¿¥Ö¥í¥Ã¥¯ (datablock)" ¤Ï¡¢¶õ¹Ô¤Ç¶èÀÚ¤é¤ì¤¿Ï¢Â³¤·¤¿Ê£¿ô¤Î¹Ô¤«¤é¤Ê¤ëÅÀ ¤Î½¸¹ç¤Ç¤¹¡£¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤ÎµÄÏÀ¤ÎÃæ¤Ç "line" ¤¬»²¾È¤µ¤ì¤ë¾ì¹ç¤Ï¡¢¤³¤ì ¤Ï¥Ç¡¼¥¿¥Ö¥í¥Ã¥¯¤ÎÉôʬ½¸¹ç¤ò»Ø¤·¤Þ¤¹¡£

(ÌõÃí: ¤³¤ÎÆüËܸìÌõ¤ÎÃæ¤Ç¤Ï¤³¤³¤Ë½ñ¤«¤ì¤Æ¤¤¤ë¤è¤¦¤ÊÍѸì¤ÎÅý°ì¤Ï¹Í褵 ¤ì¤Æ¤Ï¤ª¤é¤º¡¢¤è¤Ã¤Æº®Íð¤ò°ú¤­µ¯¤³¤¹²ÄǽÀ­¤¬¤¢¤ê¤Þ¤¹¡£¸·Ì©¤Ë¤Ï¸¶Ê¸¤ò»² ¾È¤¹¤Ù¤­¤Ç¤·¤ç¤¦¡£)

1.17 Àþ¼ï¡¢¿§¡¢¥¹¥¿¥¤¥ë (linetypes)

gnuplot ¤Î³Æ½ÐÎÏ·Á¼°¤Ï "Àþ¼ï (linetype)" ¤ò¤¢¤ëÄøÅÙÍÑ°Õ¤·¤Æ¤¤¤Þ¤¹¡£¤½ ¤ì¤é¤Ï¿§¡¢ÂÀ¤µ¡¢ÅÀÀþ/ÇËÀþ¤Î¥Ñ¥¿¡¼¥ó¡¢¤Þ¤¿¤Ï¿§¤ÈÅÀÀþ/ÇËÀþ¤ÎÁȹ礻¤Ç°ã¤¤ ¤òɽ¸½¤·¤Æ¤¤¤Þ¤¹¡£ÆÃÄê¤Î½ÐÎÏ·Á¼°¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÀþ¼ï¤Ï¡¢¤½¤Î½ÐÎÏ·Á¼°¤òÀß Äꤷ¤¿ (terminal) ¸å¤Ç test ¥³¥Þ¥ó¥É¤òȯ¹Ô¤¹¤ë¤³¤È¤Ç³Îǧ¤Ç¤­¤Þ ¤¹¡£ÄêµÁ¤µ¤ì¤Æ¤¤¤ë¿§¡¢ÅÀÀþ/ÇËÀþ¤Î¥Ñ¥¿¡¼¥ó¤Ï¤¹¤Ù¤Æ¤Î½ÐÎÏ·Á¼°¤ÇƱ¤¸¤â¤Î ¤Ç¤¢¤ë¤È¤¤¤¦Êݾڤϲ¿¤â¤¢¤ê¤Þ¤»¤ó¤¬¡¢Àþ¼ï -1 ¤ÏÆÃÊ̤ËÁ´¤Æ¤Î½ÐÎÏ·Á¼°¤Ç¡¢ ºÇ¤âÉáÄ̤Îɽ¼¨¿§ (Ä̾ï¤Ï¹õ) ¤Î¼ÂÀþ¤ò°ÕÌ£¤·¤Æ¤¤¤Þ¤¹¡£¤Þ¤¿¡¢Â¿¤¯¤Î½ÐÎÏ·Á ¼°¤Ç¡¢ÇØ·Ê¿§¤Ç¤Î¼ÂÀþ¤ò°ÕÌ£¤¹¤ëÆÃÊ̤ÊÀþ¼ï "bgnd" ¤âǧ¼±¤·¤Þ¤¹¡£

¥Ç¥Õ¥©¥ë¥È¤ÎÀþ¼ï (linetype) ¤Î°À­¤Ï¡¢ÂÐÏÃŪ¤«½é´ü²½¥Õ¥¡¥¤¥ë¤Î¤¤¤º¤ì¤« ¤Ë¤è¤Ã¤ÆºÆÄêµÁ²Äǽ¤Ç¤¹¡£¤³¤ì¤Ï¡¢¤¹¤Ù¤Æ¤Î gnuplot ÉÁ²è¥³¥Þ¥ó¥É¤Ç»ÈÍѤµ ¤ì¤ëÀþ¤Î¿§¤ä¾¤Î°À­¤ò¥«¥¹¥¿¥Þ¥¤¥º¤¹¤ë¤³¤È¤ò²Äǽ¤Ë¤·¤Þ¤¹¡£°Ê²¼»²¾È: ‘set linetype‘¡£

¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢°ì¤Ä¤ÎÉÁ²è¥³¥Þ¥ó¥ÉÆâ¤Ç¤Î´Ø¿ô¤ä¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤ÎʤӤˤϡ¢ ½çÈÖ¤ËÀþ¼ï¤¬³ä¤êÅö¤Æ¤é¤ì¤Þ¤¹¡£¤½¤Î¥Ç¥Õ¥©¥ë¥È¤Î½çÎó¤Ï¡¢´Ø¿ô¡¢¥Ç¡¼¥¿¥Õ¥¡ ¥¤¥ë¡¢¤Þ¤¿¤Ï¤½¤Î¾¤ÎÉÁ²èÍ×ÁǤ˸ÄÊ̤ËÀþ¼ï¤ò»ØÄꤹ¤ë¤³¤È¤Ç¾å½ñ¤­¤Ç¤­¤Þ¤¹¡£

Îã:

     plot "foo", "bar"                 # Àþ¼ï 1, 2 ¤Ç 2 ¥Õ¥¡¥¤¥ë¤òÉÁ²è
     plot sin(x) linetype 4            # ½ÐÎÏ·Á¼°¤Ë°Í¸¤¹¤ëÀþ¼ï¿§ 4
     plot sin(x) lt -1                 # ¹õ

¿¤¯¤Î½ÐÎÏ·Á¼°¤Ç¡¢¥æ¡¼¥¶ÄêµÁ¿§¤òÄêµÁ¤Ç¤­¤ë¤è¤¦¤Ë¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£¿§¤ÎÄêµÁ ¤ÏÌÀ¼¨Åª¤Ê rgb (ÀÖ¡¢ÎС¢ÀÄ) ¤ò»ØÄꤹ¤ë¤«¡¢¿§Ì¾¤«¡¢¸½ºß¤Î pm3d ¥Ñ¥ì¥Ã¥È ¤ò»²¾È¤¹¤ë¿§¤ÎÃͤΤ¤¤º¤ì¤«¤Ç¹Ô¤Ê¤¤¤Þ¤¹¡£

Îã:

     plot sin(x) lt rgb "violet"       # gnuplot ¤Î»ý¤Ä¿§Ì¾¤Î°ì¤Ä
     plot sin(x) lt rgb "#FF00FF"      # ÌÀ¼¨Åª¤Ê 16 ¿Ê RGB 3 ¤ÄÁÈ
     plot sin(x) lt palette cb -45     # ¸½ºß¤Î¥Ñ¥ì¥Ã¥È¤Î cbrange ¤Î
                                       # -45 ¤ËÂбþ¤¹¤ë¿§
     plot sin(x) lt palette frac 0.3   # ¥Ñ¥ì¥Ã¥È¤ËÂбþ¤¹¤ë¾®¿ôÃÍ

°Ê²¼»²¾È: ‘show colornames‘, palette, cbrange¡£

ÅÀÀþ/ÇËÀþ¤Î¥Ñ¥¿¡¼¥ó¤ò¥µ¥Ý¡¼¥È¤¹¤ë½ÐÎÏ·Á¼°¤Ç¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤ÎÀþ¼ï¤ÏÅÀÀþ/ ÇËÀþ¤Î¥Ñ¥¿¡¼¥ó¤È¿§¤ÎξÊý¤¬ÄêµÁ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£º£¤Î½ê gnuplot ¤Ë¤Ï¡¢ÅÀÀþ/ ÇËÀþ¥Ñ¥¿¡¼¥ó¤òÊѹ¹¤¹¤ë»ÅÁȤߤ¬¤Ê¤¤¤Î¤Ç¡¢ÆÃÄê¤ÎÅÀÀþ¥Ñ¥¿¡¼¥ó¤ÈÆÃÄê¤Î¿§¤ò ÁȤ߹ç¤ï¤»¤¿¤¤¾ì¹ç¤Ï¡¢Àè¤Ë¤½¤ÎÅÀÀþ¥Ñ¥¿¡¼¥ó¤ò»ý¤ÄÀþ¼ï (linetype) ¤òÁªÂò ¤·¡¢¥Ç¥Õ¥©¥ë¥È¤Î¿§¤ò¥­¡¼¥ï¡¼¥É ‘linecolor‘ (¾Êά·Á¤Ï ‘lc‘) ¤Ç¾å½ñ¤­¤¹ ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£Î㤨¤Ð¡¢postscript ½ÐÎÏ·Á¼°¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÀþ¼ï 3 ¤ÏÀÄ ¤ÎÇËÀþ¤Ç¤¹¡£°Ê²¼¤ÎÉÁ²è¥³¥Þ¥ó¥É¤ÏƱ¤¸ÇËÀþ¥Ñ¥¿¡¼¥ó¤Ç 3 ¤Ä¤ÎÉÁ²è¤ò¹Ô¤Ê¤¤ ¤Þ¤¹¤¬¡¢°ì¤Ä¤ÏÀÄ (¥Ç¥Õ¥©¥ë¥È)¡¢°ì¤Ä¤ÏÀÖ (Àþ¼ï 1 ¤Î¥Ç¥Õ¥©¥ë¥È¿§)¡¢¤â¤¦ °ì¤Ä¤Ï¶â¿§¤Ë¤Ê¤ê¤Þ¤¹¡£

Îã:

     set term postscript dashed color
     plot 'foo' lt 3, 'baz' lt 3 linecolor 1, 'bar' lt 3 lc rgb 'gold'

1.17.1 ¿§»ØÄê (colorspec)

¿¤¯¤Î¥³¥Þ¥ó¥É¤Ç¡¢ÌÀ¼¨Åª¤Ê¿§¤Î»ØÄê¤ò¤È¤â¤Ê¤Ã¤¿Àþ¼ï¤ò»ØÄꤹ¤ë¤³¤È¤¬¤Ç¤­ ¤Þ¤¹¡£½ÐÎÏ·Á¼°¤Ë°Í¸¤¹¤ë¿§¤ÎÁªÂò¤Ï¡¢»ÈÍѤ·¤Æ¤¤¤ë½ÐÎÏ·Á¼°¤¬ RGB ¥«¥é¡¼ ¤« pm3d ¥Ñ¥ì¥Ã¥È¤ò¥µ¥Ü¡¼¥È¤·¤Æ¤¤¤ë¾ì¹ç¤Ë¤Î¤ßÍøÍѲÄǽ¤Ç¤¹¡£

½ñ¼°:

      ... {linecolor | lc} {<colorspec> | <n>}
      ... {textcolor | tc} {<colorspec> | {linetype | lt} <n>}

<colorspec> ¤Ï°Ê²¼¤Î·Á¼°¤Î¤¤¤º¤ì¤«¤Ç¤¹:

      rgbcolor "colorname"
      rgbcolor "#RRGGBB"
      rgbcolor variable       # ¿§¤ÏÆþÎÏ¥Õ¥¡¥¤¥ë¤«¤éÆɤ߹þ¤à
      palette frac <val>      # <val> ¤Ï 0 ¤«¤é 1 ¤ÎÃÍ
      palette cb <value>      # <val> ¤Ï cbrange ¤ÎÈϰϤÎÃÍ
      palette z
      variable                # ÆþÎÏ¥Õ¥¡¥¤¥ë¤«¤é¿§ÈÖ¹æ¤òÆɤ߹þ¤à

<n> ¤Ï¡¢¤½¤ÎÀþ¼ï (linetype) Èֹ椬»È¤¦¿§¤ò°ÕÌ£¤·¤Þ¤¹¡£°Ê²¼»²¾È: test¡£

"colorname" ¤Ï gnuplot ¤¬ÆâÉô¤Ë»ý¤Ã¤Æ¤¤¤ë¿§¤Î̾Á°¤Î¤¦¤Á¤Î°ì¤Ä¤ò»ØÄꤷ ¤Þ¤¹¡£Í­¸ú¤Ê̾Á°¤Î°ìÍ÷¤Ë´Ø¤·¤Æ¤Ï¡¢°Ê²¼»²¾È: ‘show colornames‘¡£

"#RRGGBB" ¤Ï "#" µ­¹æ¤Î¸å¤Ë 16 ¿ÊÄê¿ô¤òʤ٤ޤ¹¡£RRGGBB ¤Ï¡¢ÀÖ¡¢ÎС¢ÀÄ ¤Î¿§¤ÎÀ®Ê¬¤ò°ÕÌ£¤·¡¢¤½¤ì¤¾¤ì¤Ï 0 - 255 ¤ÎÈϰϤοô¤Ç¤¹¡£Î㤨¤Ð¡¢¥Þ¥¼¥ó ¥¿ (»ç) = ºÇ¤âÌÀ¤ë¤¤ÀÖ + ºÇ¤âÌÀ¤ë¤¤ÀÄ¡¢¤Ê¤Î¤Ç¡¢#FF00FF ¤Èɽ¤µ¤ì¡¢¤³¤ì ¤Ï 16 ¿Ê¿ô¤Ç¡¢(255 << 16) + (0 << 8) + (255) ¤ò°ÕÌ£¤·¤Æ¤¤¤Þ¤¹¡£

¥«¥é¡¼¥Ñ¥ì¥Ã¥È¤È¤Ï¡¢¿§¤ÎÀþ·¿¤Ê¸ûÇۤǡ¢Ã±°ì¤Î¿ôÃͤòÆÃÄê¤Î¿§¤Ë³ê¤é¤«¤ËÂÐ ±þ¤Å¤±¤Þ¤¹¡£¾ï¤Ë¤½¤Î¤è¤¦¤Ê 2 ¤Ä¤ÎÂбþÉÕ¤±¤¬¸úÎϤò»ý¤Á¤Þ¤¹¡£ ‘palette frac‘ ¤Ï 0 ¤«¤é 1 ¤Þ¤Ç¤Î¾®¿ôÃͤò¡¢¥«¥é¡¼¥Ñ¥ì¥Ã¥È¤ÎÁ´ÈϰϤËÂÐ ±þÉÕ¤±¤ë¤â¤Î¤Ç¡¢‘palette cb‘ ¤Ï¡¢¿§¼´¤ÎÈϰϤòƱ¤¸¥«¥é¡¼¥Ñ¥ì¥Ã¥È¤Ø³ä¤ê Åö¤Æ¤ë¤â¤Î¤Ç¤¹¡£°Ê²¼»²¾È: cbrange, ‘set colorbox‘¡£¤³¤ì¤é¤ÎÂбþ ÉÕ¤±¤Î¤É¤Á¤é¤«¤ò»È¤Ã¤Æ¡¢¸½ºß¤Î¥Ñ¥ì¥Ã¥È¤«¤éÄê¿ô¿§¤òÁª¤Ó½Ð¤¹¤³¤È¤¬¤Ç¤­¤Þ ¤¹¡£

"palette z" ¤Ï¡¢³ÆÉÁ²èÀþʬ¤äÉÁ²èÍ×ÁǤΠz ¤ÎÃͤò¡¢¥Ñ¥ì¥Ã¥È¤ØÂбþ¤Å¤±¤é ¤ì¤Æ¤¤¤ë cbrange ¤ÎÈϰϤËÂбþ¤Å¤±¤Þ¤¹¡£¤³¤ì¤Ë¤è¤ê¡¢3 ¼¡¸µ¤Î¶ÊÀþ¤ä¶ÊÌÌ ¤Ë±è¤Ã¤Æ¿§¤ò³ê¤é¤«¤ËÊѲ½¤µ¤»¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤³¤ì¤Ï¡¢2 ¼¡¸µÉÁ²è¤Ç¡¢¥Ñ ¥ì¥Ã¥ÈÃͤòÄɲäÎÎó¥Ç¡¼¥¿¤«¤éÆɤ߹þ¤Þ¤»¤Æ¿§ÉÕ¤±¤¹¤ë¤Î¤Ë¤â»È¤¨¤Þ¤¹ (¤¹¤Ù ¤Æ¤Î 2 ¼¡¸µÉÁ²è¥¹¥¿¥¤¥ë¤¬¤³¤ÎÄɲÃÎó¤òǧ¼±¤¹¤ë¤ï¤±¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó)¡£

1.17.1.1 background color

¸½ºß¤Ï¿¤¯¤Î½ÐÎÏ·Á¼°¤Ç¥°¥é¥Õ¤ÎÇØ·Ê¿§¤òÌÀ¼¨Åª¤ËÀßÄê¤Ç¤­¤Þ¤¹¡£ÆÃÊ̤ÊÀþ¼ï (linetype) ‘bgnd‘ ¤Ï¤½¤Î¿§¤ÇÉÁ²è¤·¤Þ¤¹¤¬¡¢¤½¤Î ‘bgnd‘ ¤Ï¿§¤È¤·¤Æ¤âǧ¼± ¤µ¤ì¤Þ¤¹¡£ Îã:

     # °Ê²¼¤Ï¥­¥ã¥ó¥Ð¥¹¤Î°ìÉôʬ¤òÇØ·Ê¿§¤Ç¾å½ñ¤­¤¹¤ë¤³¤È¤Ç¾Ãµî¤·¤Þ¤¹¡£
     set term wxt background rgb "gray75"
     set object 1 rectangle from x0,y0 to x1,y1 fillstyle solid fillcolor bgnd
     # °Ê²¼¤Ï x ¼´¤Ë±è¤Ã¤¿¡Ö¸«¤¨¤Ê¤¤¡×Àþ¤òÉÁ¤­¤Þ¤¹¡£
     plot 0 lt bgnd

1.17.1.2 linecolor variable

‘lc variable‘ ¤Ï¡¢ÆþÎϥǡ¼¥¿¤Î°ì¤Ä¤ÎÎ󤫤éÆɤó¤ÀÃͤòÀþ¼ï (linetype) ¤Î ÈÖ¹æ¤È¤·¤Æ»È¤¤¡¢¤½¤ÎÀþ¼ï¤Ë°¤¹¤ë¿§¤ò»È¤¦¤è¤¦¥×¥í¥°¥é¥à¤Ë»Ø¼¨¤·¤Þ¤¹¡£¤è ¤Ã¤Æ¤³¤ì¤Ï¡¢using »ØÄê»Ò¤ØÂбþ¤¹¤ëÎó¤Î»ØÄê¤ÎÄɲäòɬÍפȤ·¤Þ¤¹¡£Ê¸»ú ¤Î¿§¤âƱÍͤˡ¢‘tc variable‘ ¤Ç»ØÄê¤Ç¤­¤Þ¤¹¡£

Îã:

      # ¥Ç¡¼¥¿¤Î 3 ÎóÌܤò¡¢¸Ä¡¹¤ÎÅÀ¤Ë¿§¤ò³ä¤êÅö¤Æ¤ë¤Î¤Ë»ÈÍÑ
      plot 'data' using 1:2:3 with points lc variable

      # °ì¤Ä¤Î¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Ë¤ÏÊ£¿ô¤Î¥Ç¡¼¥¿½¸¹ç¤òÆþ¤ì¤ë¤³¤È¤¬²Äǽ¤Ç¡¢
      # ¤½¤ì¤é¤Ï 2 ¹Ô¤Î¶õ¹Ô¤ÇʬΥ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£¸Ä¡¹¤Î¥Ç¡¼¥¿½¸¹ç¤Ë¤Ï
      # index Ãͤ¬³ä¤êÅö¤Æ¤é¤ì¤Æ¤¤¤Æ (°Ê²¼»²¾È: index)¡¢using »ØÄê¤Î
      # column(-2) ¤Ç¼èÆÀ¤Ç¤­¤Þ¤¹¡£°Ê²¼»²¾È: `pseudocolumns`¡£°Ê²¼¤ÎÎã
      # ¤Ï -2 ¤Î column Ãͤò»È¤Ã¤Æ¡¢¸Ä¡¹¤Î¥Ç¡¼¥¿½¸¹ç¤ò°Û¤Ê¤ëÀþ¿§¤ÇÉÁ²è
      # ¤·¤Þ¤¹¡£
      plot 'data' using 1:2:(column(-2)) with lines lc variable

1.17.1.3 rgbcolor variable

¥°¥é¥Õ¤Î³Æ¥Ç¡¼¥¿ÅÀ¡¢³ÆÀþʬ¡¢¤Þ¤¿¤Ï³Æ¥é¥Ù¥ë¤Ë¤½¤ì¤¾¤ì°Û¤Ê¤ë¿§¤ò³ä¤êÅö¤Æ ¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£‘lc rgbcolor variable‘ ¤Ï¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î³Æ¹Ô¤«¤é RGB ¿§¤Î¾ðÊó¤òÆɤ߹þ¤à¤è¤¦¥×¥í¥°¥é¥à¤Ë»Ø¼¨¤·¤Þ¤¹¡£¤è¤Ã¤Æ¤³¤ì¤Ï¡¢ using »ØÄê»Ò¤Ë¤è¤ëÂбþ¤¹¤ëÎó¤Î»ØÄê¤ÎÄɲäòɬÍפȤ·¡¢¤½¤ÎÎó¤Ï 24-bit ·Á¼°¤Î RGB ¤Î 3 ¤ÄÁȤǤ¢¤ë¤È¤ß¤Ê¤µ¤ì¤Þ¤¹¡£¤½¤ÎÃͤò¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤«¤éľ ÀÜÍ¿¤¨¤ë¾ì¹ç¤Ï¡¢¤³¤ì¤ÏºÇ¤â´Êñ¤Ê·Á¼°¤Î 16 ¿ÊÃͤÇÍ¿¤¨¤Þ¤¹ (°Ê²¼»²¾È: ‘rgbcolor‘)¡£°ìÊý¤Ç¡¢°Ê²¼¤ÎÎã¤Î¤è¤¦¤Ë 24-bit RGB ¿§¤È¤·¤Æɾ²Á¤µ¤ì¤ë¤è ¤¦¤Ê¿ô¼°¤ò using »ØÄê»Ò¤ËÆþ¤ì¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£Ê¸»ú¤Î¿§¤âƱÍͤˡ¢ ‘tc rgbcolor variable‘ ¤Ç»ØÄê¤Ç¤­¤Þ¤¹¡£

Îã:

      # 3 ¼¡¸µÉÁ²è¤Ç¡¢³Æ x,y,z ºÂɸ¤ËÂбþ¤·¤¿ÀÖ¡¢ÎС¢ÀĤÎÀ®Ê¬¤ò»ý¤Ä¿§
      # ¤Î¤Ä¤¤¤¿ÅÀ¤òÇÛÃÖ
      rgb(r,g,b) = 65536 * int(r) + 256 * int(g) + int(b)
      splot "data" using 1:2:3:(rgb($1,$2,$3)) with points lc rgb variable

1.17.2 linestyles ¤È linetypes

Àþ¤Ï¡¢ÀþÉý¤Î¤è¤¦¤Ê¾¤Î°À­¤â»ý¤Ä¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ÅÀ (point) ¤Îµ­¹æ¤ËÂÐ ¤¹¤ëƱÍͤΰÀ­¤È¤È¤â¤Ë¡¢¤³¤ì¤é¤Î°À­¤ò¥³¥Þ¥ó¥É ‘set style line‘ ¤ò»È¤Ã ¤Æ¥æ¡¼¥¶ÄêµÁ "¥é¥¤¥ó¥¹¥¿¥¤¥ë (linestyle)" ¤È¤·¤Æ·ë¤Ó¤Ä¤±¤ë¤³¤È¤¬¤Ç¤­¤Þ ¤¹¡£°ìÅÙÄêµÁ¤µ¤ì¤¿ linestyle ¤Ï¡¢plot ¥³¥Þ¥ó¥ÉÃæ¤Ç¡¢°ì¤Ä¤Þ¤¿¤Ï¿¤¯¤ÎÉÁ ²èÍ×ÁǤËÂФ·¤Æ¤½¤Îɽ¼¨¤òÀ©¸æ¤¹¤ë¤Î¤Ë»È¤¦¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

‘linetypes‘ ¤Ï±Ê³Ū (ÌÀ¼¨Åª¤Ë¤½¤ì¤é¤òºÆÄêµÁ¤¹¤ë¤Þ¤Ç¤ÏÊÝ»ý¤µ¤ì¤ë) ¤Ç¤¹ ¤¬¡¢‘linestyles‘ ¤Ï°ì»þŪ¤Ê¤â¤Î¤Ç¤¹¡£¼¡¤Î¥°¥é¥Õ¥£¥Ã¥¯¤Î¾õÂÖ¤¬¥ê¥»¥Ã¥È ¤µ¤ì¤ë¤Þ¤Ç¤Î´Ö¤·¤«ÊÝ»ý¤µ¤ì¤Þ¤»¤ó¡£

Îã:

     # ¿·¤·¤¤¥é¥¤¥ó¥¹¥¿¥¤¥ë¤ò¡¢½ÐÎÏ·Á¼°¤Ë°Í¸¤·¤Ê¤¤¿§ cyan¡¢ÀþÉý¤¬ 3¡¢
     # ÅÀ¼ï 6 (´Ý¤ÎÃæ¤ËÅÀ) ¤ÈÄêµÁ
     set style line 5 lt rgb "cyan" lw 3 pt 6
     plot sin(x) with linespoints ls 5          # ÄêµÁ¥¹¥¿¥¤¥ë 5 ¤Ç

1.18 ¥Þ¥¦¥¹ÆþÎÏ (mouse input)

¿¤¯¤Î½ÐÎÏ·Á¼°¤Ç¡¢¸½ºß¤ÎÉÁ²è¤Ë¥Þ¥¦¥¹¤ò»È¤Ã¤ÆºîÍѤò¤¹¤ë¤³¤È¤¬²Äǽ¤Ë¤Ê¤Ã ¤Æ¤¤¤Þ¤¹¡£¤½¤Î¤¦¤Á¤¤¤¯¤Ä¤«¤Ï¥Û¥Ã¥È¥­¡¼¤ÎÄêµÁ¤â¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Æ¡¢¥Þ¥¦¥¹ ¥«¡¼¥½¥ë¤¬Í­¸ú¤ÊÉÁ²è¥¦¥£¥ó¥É¥¦¤Ë¤¢¤ë¤È¤­¤Ë¡¢¤¢¤ë¥­¡¼¤ò²¡¤¹¤³¤È¤Ç¤¢¤é¤« ¤¸¤áÄêµÁ¤·¤¿´Ø¿ô¤ò¼Â¹Ô¤µ¤»¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¥Þ¥¦¥¹ÆþÎϤò ‘batch‘ ¥³¥Þ ¥ó¥É¥¹¥¯¥ê¥×¥È¤ÈÁȤ߹ç¤ï¤»¤ë¤³¤È¤â²Äǽ¤Ç¡¢Î㤨¤Ð ‘pause mouse‘ ¤È¤·¤Æ¡¢ ¤½¤Î¸å¤Ë¥Þ¥¦¥¹¥¯¥ê¥Ã¥¯¤Ë¤è¤Ã¤Æ¥Ñ¥é¥á¡¼¥¿¤È¤·¤ÆÊ֤äÆÍè¤ë¥Þ¥¦¥¹ÊÑ¿ô¤ò¤½ ¤Î¸å¤Î¥¹¥¯¥ê¥×¥ÈÆ°ºî¤ËÈ¿±Ç¤µ¤»¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£°Ê²¼»²¾È: ‘bind‘, variables¡£¤Þ¤¿°Ê²¼¤â»²¾È: ‘set mouse‘¡£

1.18.1 bind

½ñ¼°:

      bind {allwindows} [<key-sequence>] ["<gnuplot commands>"]
      bind <key-sequence> ""
      reset bind

‘bind‘ ¤Ï¡¢¥Û¥Ã¥È¥­¡¼¤ÎÄêµÁ¡¢ºÆÄêµÁ¤Ë»ÈÍѤ·¤Þ¤¹¡£¥Û¥Ã¥È¥­¡¼¤È¤Ï¡¢ÆþÎÏ ¥«¡¼¥½¥ë¤¬¥É¥é¥¤¥Ð¤Î¥¦¥£¥ó¥É¥¦Æâ¤Ë¤¢¤ë¤È¤­¤Ë¡¢¤¢¤ë¥­¡¼¡¢¤Þ¤¿¤ÏÊ£¿ô¤Î¥­ ¡¼¤ò²¡¤¹¤³¤È¤Ç¡¢gnuplot ¤Î¥³¥Þ¥ó¥ÉÎó¤ò¼Â¹Ô¤µ¤»¤ëµ¡Ç½¤Î¤³¤È¤ò¸À¤¤¤Þ¤¹¡£ ‘bind‘ ¤Ï¡¢gnuplot ¤¬ ‘mouse‘ ¤ò¥µ¥Ý¡¼¥È¤¹¤ë¤è¤¦¤Ë¥³¥ó¥Ñ¥¤¥ë¤µ¤ì¤Æ¤¤¤Æ ¤«¤Ä¥Þ¥¦¥¹¤¬Í­¸ú¤Ê½ÐÎÏ·Á¼°¾å¤Ç»È¤ï¤ì¤Æ¤ë¾ì¹ç¤Ë¤Î¤ßÍ­¸ú¤Ç¤¢¤ë¤³¤È¤ËÃí°Õ ¤·¤Æ¤¯¤À¤µ¤¤¡£¥æ¡¼¥¶»ØÄê¤Î¥­¡¼³äÅö (binding) ¤Ï¡¢ÁȤ߹þ¤ß (builtin) ¥­ ¡¼³äÅö¤òÃÖ¤­´¹¤¨¤Þ¤¹¤¬¡¢<space> ¤È ’q’ ¤ÏÄ̾ï¤ÏºÆÄêµÁ¤Ï¤Ç¤­¤Þ¤»¤ó¡£¤½ ¤ÎÍ£°ì¤ÎÎã³°¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: ‘bind space‘¡£

¥Þ¥¦¥¹¥Ü¥¿¥ó¤Ï 1 ¤Î¤ß¡¢¤½¤·¤Æ 2D ÉÁ²è¤Ë´Ø¤·¤Æ¤Î¤ßºÆÄêµÁ¤Ç¤­¤Þ¤¹¡£

¥Û¥Ã¥È¥­¡¼¤Î°ìÍ÷¤òÆÀ¤ë¤Ë¤Ï ‘show bind‘, ¤Þ¤¿¤Ï ‘bind‘ ¤È¥¿¥¤¥×¤¹¤ë¤«¡¢ ¥°¥é¥Õ¥¦¥£¥ó¥É¥¦¾å¤Ç¥Û¥Ã¥È¥­¡¼ ’h’ ¤òÆþÎϤ·¤Æ¤¯¤À¤µ¤¤¡£

¥­¡¼ÄêµÁ¤Ï¡¢‘reset bind‘ ¤Ç¥Ç¥Õ¥©¥ë¥È¤Î¾õÂÖ¤ËÉüµ¢¤Ç¤­¤Þ¤¹¡£

½¤¾þ¥­¡¼¤ò´Þ¤àÊ£¿ô¤Î¥­¡¼¤ÎÄêµÁ¤Ï°úÍÑÉä¤Ç°Ï¤àɬÍפ¬¤¢¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯ ¤À¤µ¤¤¡£

ɸ½à¤Ç¤Ï¥Û¥Ã¥È¥­¡¼¤Ï¸½ºß¤ÎÉÁ²è¥¦¥£¥ó¥É¥¦¾å¤ËÆþÎÏ¥«¡¼¥½¥ë¤¬¤¢¤ë¾ì¹ç¤Î¤ß ǧ¼±¤µ¤ì¤Þ¤¹¡£‘bind allwindows <key> ...‘ (‘bind all <key> ...‘ ¤È¾Êά ²Ä) ¤Ï¡¢<key> ¤Î³äÅö¤ò¡¢¤½¤ì¤¬¸½ºß¤ÎÍ­¸ú¤Ê¤â¤Î¤«Èݤ«¤Ë´Ø¤ï¤é¤º¡¢¤¹¤Ù¤Æ ¤Î gnuplot ¤ÎÉÁ²è¥¦¥£¥ó¥É¥¦¾å¤Ç²Äǽ¤Ë¤·¤Þ¤¹¡£¤³¤Î¾ì¹ç¡¢gnuplot ÊÑ¿ô MOUSE_KEY_WINDOW ¤Ë¤½¤ì¤¬¹Ô¤Ê¤ï¤ì¤¿¥¦¥£¥ó¥É¥¦¤Î ID ¤¬Êݸ¤µ¤ì¤ë¤Î¤Ç¤½ ¤ì¤ò¥­¡¼¤Ë³ä¤êÅö¤Æ¤¿¥³¥Þ¥ó¥É¤Ç»ÈÍѤ¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

Îã:

- ¥­¡¼³äÅö¤ÎÀßÄê:

    bind a "replot"
    bind "ctrl-a" "plot x*x"
    bind "ctrl-alt-a" 'print "great"'
    bind Home "set view 60,30; replot"
    bind all Home 'print "This is window ",MOUSE_KEY_WINDOW'

- ¥­¡¼³äÅö¤òɽ¼¨:

    bind "ctrl-a"          # ctrl-a ¤ËÂФ¹¤ë¥­¡¼³äÅö¤òɽ¼¨
    bind                   # Á´¤Æ¤Î¥­¡¼ÄêµÁ¤òɽ¼¨
    show bind              # Á´¤Æ¤Î¥­¡¼ÄêµÁ¤òɽ¼¨

- ¥­¡¼³äÅö¤òºï½ü:

    bind "ctrl-alt-a" ""   # ctrl-alt-a ¤Î¥­¡¼³äÅö¤òºï½ü
                             (ÁȤ߹þ¤ß¥­¡¼ÄêµÁ¤Ïºï½ü¤µ¤ì¤Þ¤»¤ó)
    reset bind             # ¥Ç¥Õ¥©¥ë¥È (ÁȤ߹þ¤ß) ¤Î¥­¡¼ÄêµÁ¤òƳÆþ
    bind!                  # "reset bind" ¤ÎÊ̤ηÁ¼° (Èó¿ä¾©)

- ¥È¥°¥ë¥¹¥¤¥Ã¥Á·Á¼°¤Ë¥­¡¼³äÅö:

  v=0
  bind "ctrl-r" "v=v+1;if(v%2)set term x11 noraise; else set term x11 raise"

½¤¾þ¥­¡¼ (ctrl / alt) ¤ÏÂçʸ»ú¾®Ê¸»ú¤Î¶èÊ̤Ϥ¢¤ê¤Þ¤»¤ó¤¬¡¢¥­¡¼¤Ï¤½¤¦¤Ç ¤Ï¤¢¤ê¤Þ¤»¤ó:

    ctrl-alt-a == CtRl-alT-a
    ctrl-alt-a != ctrl-alt-A

½¤¾þ¥­¡¼ (alt == meta) ¤Î°ìÍ÷:

    ctrl, alt

¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ëÆü쥭¡¼¤Î°ìÍ÷:

   "BackSpace", "Tab", "Linefeed", "Clear", "Return", "Pause", "Scroll_Lock",
   "Sys_Req", "Escape", "Delete", "Home", "Left", "Up", "Right", "Down",
   "PageUp", "PageDown", "End", "Begin",

   "KP_Space", "KP_Tab", "KP_Enter", "KP_F1", "KP_F2", "KP_F3", "KP_F4",
   "KP_Home", "KP_Left", "KP_Up", "KP_Right", "KP_Down", "KP_PageUp",
   "KP_PageDown", "KP_End", "KP_Begin", "KP_Insert", "KP_Delete", "KP_Equal",
   "KP_Multiply", "KP_Add", "KP_Separator", "KP_Subtract", "KP_Decimal",
   "KP_Divide",

   "KP_1" - "KP_9", "F1" - "F12"

°Ê²¼¤Ï¡¢¼ÂºÝ¤Î¥­¡¼¤Ç¤Ï¤Ê¤¯¡¢¥¦¥£¥ó¥É¥¦¤Ë´Ø¤¹¤ë¥¤¥Ù¥ó¥È¤Ç¤¹:

   "Button1" "Close"

°Ê²¼¤â»²¾È: ‘mouse‘¡£

1.18.1.1 bind space

gnuplot ¤¬¡¢configure »þ¤Ë¥ª¥×¥·¥ç¥ó –enable-rase-console ¤ò¤Ä¤±¤Æ¥¤ ¥ó¥¹¥È¡¼¥ë¤µ¤ì¤¿¾ì¹ç¤Ï¡¢ÉÁ²è¥¦¥£¥ó¥É¥¦Æâ¤Ç <space> ¤ò¥¿¥¤¥×¤¹¤ë¤È gnuplot ¤Î¥³¥Þ¥ó¥É¥¦¥£¥ó¥É¥¦¤¬Á°Ì̤˽Фޤ¹¡£¤³¤Î¥Û¥Ã¥È¥­¡¼¤Ï¡¢ ’gnuplot -ctrlq’ ¤Î¤è¤¦¤Ë¤·¤Æ gnuplot ¤òµ¯Æ°¤¹¤ë¤«¡¢¤Þ¤¿¤Ï X ¥ê¥½¡¼¥¹ ¤Î ’gnuplot*ctrlq’ ¤òÀßÄꤹ¤ë¤³¤È¤Ç ctrl-space ¤ËÊѹ¹¤Ç¤­¤Þ¤¹¡£ °Ê²¼»²¾È: ‘x11 command-line-options‘¡£

1.18.2 ¥Þ¥¦¥¹ÍѤÎÊÑ¿ô (Mouse variables)

‘mousing‘ (¥Þ¥¦¥¹µ¡Ç½) ¤¬Í­¸ú¤Ê¾ì¹ç¡¢¸½ºß¤Î¥¦¥£¥ó¥É¥¦¾å¤Ç¤Î¥Þ¥¦¥¹¥¯¥ê ¥Ã¥¯¤Ë¤è¤Ã¤Æ gnuplot ¤Î¥³¥Þ¥ó¥É¥é¥¤¥ó¾å¤Ç»È¤¦¤³¤È¤¬¤Ç¤­¤ë¿§¡¹¤Ê¥æ¡¼¥¶ ÊÑ¿ô¤¬ÀßÄꤵ¤ì¤Þ¤¹¡£¥¯¥ê¥Ã¥¯»þ¤Î¥Þ¥¦¥¹¤ÎºÂɸ¤ÏÊÑ¿ô MOUSE_X, MOUSE_Y, MOUSE_X2, MOUSE_Y2 ¤ËÂåÆþ¤µ¤ì¤Þ¤¹¡£¥¯¥ê¥Ã¥¯¤µ¤ì¤¿¥Ü¥¿¥ó¤ä¡¢¤½¤Î¤È¤­¤Î ¥á¥¿¥­¡¼¤Î¾õÂÖ¤Ï MOUSE_BUTTON, MOUSE_SHIFT, MOUSE_ALT, MOUSE_CTRL ¤ËÂå Æþ¤µ¤ì¤Þ¤¹¡£¤³¤ì¤é¤ÎÊÑ¿ô¤ÏǤ°Õ¤ÎÉÁ²è¤Î³«»Ï»þ¤Ë¤Ï̤ÄêµÁ¤Ç¡¢Í­¸ú¤ÊÉÁ²è¥¦ ¥£¥ó¥É¥¦Ãæ¤Ç¤Î¥Þ¥¦¥¹¥¯¥ê¥Ã¥¯¥¤¥Ù¥ó¥È¤Ë¤è¤Ã¤Æ½é¤á¤ÆÄêµÁ¤µ¤ì¤Þ¤¹¡£Í­¸ú¤Ê ÉÁ²è¥¦¥£¥ó¥É¥¦Ãæ¤Ç¥Þ¥¦¥¹¤¬´û¤Ë¥¯¥ê¥Ã¥¯¤µ¤ì¤¿¤«¤É¤¦¤«¤ò¥¹¥¯¥ê¥×¥È¤«¤éÄ´ ¤Ù¤ë¤Ë¤Ï¡¢¤³¤ì¤é¤ÎÊÑ¿ô¤Î¤¦¤Á¤Î¤É¤ì¤«°ì¤Ä¤¬ÄêµÁ¤µ¤ì¤Æ¤¤¤ë¤«¤É¤¦¤«¤ò¥Á¥§ ¥Ã¥¯¤¹¤ì¤Ð½½Ê¬¤Ç¤¹¡£

      plot 'something'
      pause mouse
      if (defined(MOUSE_BUTTON)) call 'something_else'; \
      else print "No mouse click."

ÉÁ²è¥¦¥£¥ó¥É¥¦¾å¤Ç¤Î°ìÏ¢¤Î¥­¡¼ÆþÎϤòÄÉÀפ¹¤ë¤³¤È¤â¡¢¥Þ¥¦¥¹¥³¡¼¥É¤ò»È¤¦ ¤³¤È¤Ç²Äǽ¤È¤Ê¤ê¤Þ¤¹¡£

      plot 'something'
      pause mouse keypress
      print "Keystroke ", MOUSE_KEY, " at ", MOUSE_X, " ", MOUSE_Y

‘pause mouse keypress‘ ¤¬¡¢¥­¡¼ÆþÎϤǽªÎ»¤·¤¿¾ì¹ç¤Ï MOUSE_KEY ¤Ë¤Ï²¡¤µ ¤ì¤¿¥­¡¼¤Î ASCII ¥³¡¼¥É¤¬Êݸ¤µ¤ì¤Þ¤¹¡£MOUSE_CHAR ¤Ë¤Ï¤½¤Îʸ»ú¼«¿È¤¬Ê¸ »úÎóÃͤȤ·¤ÆÊݸ¤µ¤ì¤Þ¤¹¡£pause ¥³¥Þ¥ó¥É¤¬ (Î㤨¤Ð ctrl-C ¤äÉÁ²è¥¦¥£¥ó ¥É¥¦¤¬³°Éô¤«¤éÊĤ¸¤é¤ì¤ë¤Ê¤É¤·¤Æ) °Û¾ï½ªÎ»¤·¤¿¾ì¹ç¤Ï MOUSE_KEY ¤Ï -1 ¤Ë¤Ê¤ê¤Þ¤¹¡£

¥Þ¥¦¥¹¤Ë¤è¤ë³ÈÂç¤Î¸å¤Î¿·¤·¤¤ÉÁ²èÈϰϤϡ¢GPVAL_X_MIN, GPVAL_X_MAX, GPVAL_Y_MIN, GPVAL_Y_MAX ¤Ç»²¾È¤Ç¤­¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£ °Ê²¼»²¾È: variables¡£

1.19 ÉÁ²è (Plotting)

‘gnuplot‘ ¤Ë¤ÏÉÁ²è¤òÀ¸À®¤¹¤ë 3 ¤Ä¤Î¥³¥Þ¥ó¥É¡¢plot, ‘splot‘, replot ¤¬¤¢¤ê¤Þ¤¹¡£plot ¤Ï 2 ¼¡¸µÉÁ²è¤òÀ¸À®¤·¡¢‘splot‘ ¤Ï 3 ¼¡¸µÉÁ²è (¤â¤Á ¤í¤ó¼ÂºÝ¤Ë¤Ï 2 ¼¡¸µÌ̤ؤμͱÆ) ¤òÀ¸À®¤·¤Þ¤¹¡£replot ¤ÏÍ¿¤¨¤é¤ì¤¿°ú¿ô ¤ò¡¢Ä¾Á°¤Î plot ¤Þ¤¿¤Ï ‘splot‘ ¥³¥Þ¥ó¥É¤ËÄɲä·¡¢¤½¤ì¤ò¼Â¹Ô¤·¤Þ¤¹¡£

ÉÁ²è¤Ë´Ø¤¹¤ë°ìÈÌŪ¤Ê¾ðÊó¤ÎÂçȾ¤Ï¡¢plot ¤Ë´Ø¤¹¤ë¹à¤Ç¸«¤Ä¤«¤ê¤Þ¤¹¡£3 ¼¡¸µÉÁ²è¤Ë¸ÇÍ­¤Î¾ðÊó¤Ï ‘splot‘ ¤Î¹à¤Ë¤¢¤ê¤Þ¤¹¡£

plot ¤Ï xy ľ¸òºÂɸ·Ï¤È¶ËºÂɸ·Ï¤¬»È¤¨¤Þ¤¹¡£¶ËºÂɸ·Ï¤Î¾ÜºÙ¤Ë´Ø¤·¤Æ¤Ï °Ê²¼»²¾È: polar¡£‘splot‘ ¤Ï xyz ľ¸òºÂɸ·Ï¤Î¤ß¤·¤«°·¤¨¤Þ¤»¤ó¤¬¡¢ ¥³¥Þ¥ó¥É mapping ¤Ç¾¤Î 2, 3 ¤ÎºÂɸ·Ï¤ò»ÈÍѤ¹¤ë¤³¤È¤¬½ÐÍè¤Þ¤¹¡£ ¤µ¤é¤Ë¡¢¥ª¥×¥·¥ç¥ó using ¤ò»È¤¨¤Ð¡¢plot ¤Ç¤â ‘splot‘ ¤Ç¤â¤Û¤È¤ó¤É ¤É¤ó¤ÊºÂɸ·Ï¤Ç¤â¤½¤ì¤òÄêµÁ¤·¤Æ»È¤¦¤³¤È¤¬½ÐÍè¤Þ¤¹¡£

plot ¤Ç¤Ï¡¢4 ¤Ä¤Î¶­³¦ x (²¼), x2 (¾å), y (º¸), y2 (±¦) ¤ò¤½¤ì¤¾¤ìÆÈ Î©¤Ê¼´¤È¤·¤Æ°·¤¦¤³¤È¤â¤Ç¤­¤Þ¤¹¡£¥ª¥×¥·¥ç¥ó ‘axes‘ ¤Ç¡¢Í¿¤¨¤é¤ì¤¿´Ø¿ô¤ä ¥Ç¡¼¥¿½¸¹ç¤ò¤É¤Î¼´¤Î¥Ú¥¢¤Çɽ¼¨¤µ¤»¤ë¤«¤òÁª¤Ù¤Þ¤¹¡£¤Þ¤¿¡¢³Æ¼´¤Î½Ì¼Ü¤ä¸« ½Ð¤·¤Å¤±¤ò´°Á´¤ËÀ©¸æ¤¹¤ë¤¿¤á¤Ë½½Ê¬¤ÊÊ亴¤È¤Ê¤ë ‘set‘ ¥³¥Þ¥ó¥É·²¤¬Â¸ºß ¤·¤Þ¤¹¡£¤¤¤¯¤Ä¤«¤Î¥³¥Þ¥ó¥É¤Ï¡¢xlabel ¤Î¤è¤¦¤Ë¼´¤Î̾Á°¤ò¤½¤ÎÃæ¤Ë »ý¤Ã¤Æ¤¤¤Þ¤¹¤·¡¢¤½¤ì°Ê³°¤Î¤â¤Î¤Ï ‘set logscale xy‘ ¤Î¤è¤¦¤Ë¡¢1 ¤Ä¡¢¤Þ ¤¿¤ÏÊ£¿ô¤Î¼´¤Î̾Á°¤ò¥ª¥×¥·¥ç¥ó¤È¤·¤Æ¤È¤ê¤Þ¤¹¡£z ¼´¤òÀ©¸æ¤¹¤ë¥ª¥×¥·¥ç¥ó ¤ä¥³¥Þ¥ó¥É¤Ï 2 ¼¡¸µ¥°¥é¥Õ¤Ë¤Ï¸úÎϤò»ý¤Á¤Þ¤»¤ó¡£

‘splot‘ ¤Ï¡¢ÅÀ¤äÀþ¤Ë²Ã¤¨¤Æ¶ÊÌ̤äÅù¹âÀþ¤ò½ñ¤¯¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£3 ¼¡¸µ¤Î´Ø ¿ô¤Î³Ê»ÒÄêµÁ¤Ë´Ø¤¹¤ë¾ðÊó¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: isosamples¡£3 ¼¡¸µ ¥Ç¡¼¥¿¤Î¥Õ¥¡¥¤¥ë¤ËɬÍפʷÁÂ֤ˤĤ¤¤Æ¤Ï¡¢°Ê²¼»²¾È: datafile¡£Åù ¹âÀþ¤Ë´Ø¤¹¤ë¾ðÊó¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: ‘set contour‘, cntrparam¡£

‘splot‘ ¤Ç¤Î½Ì¼Ü¤ä¸«½Ð¤·ÉÕ¤±¤ÎÀ©¸æ¤Ï¡¢x2 ¼´¤È y2 ¼´¤òÀ©¸æ¤¹¤ë¥³¥Þ¥ó¥É ¤ä¥ª¥×¥·¥ç¥ó¤Ï¸ú²Ì¤¬¤Ê¤¯¡¢z ¼´¤òÀ©¸æ¤¹¤ë¤â¤Î¤Ë¤Ï¤â¤Á¤í¤ó¸ú²Ì¤¬¤¢¤ë¡¢¤È ¤¤¤¦¤³¤È¤ò½ü¤±¤Ð plot ¤ÈÁ´¤¯Æ±¤¸¤Ç¤¹¡£

1.20 ½é´ü²½ (Startup (initialization))

µ¯Æ°»þ¤Ë¡¢gnuplot ¤Ï¤Þ¤º¥·¥¹¥Æ¥àÍѤνé´üÀßÄê¥Õ¥¡¥¤¥ë ‘gnuplotrc‘ ¤òõ ¤·¤Þ¤¹¡£¤½¤Î¥Õ¥¡¥¤¥ë¤ÎÃÖ¤­¾ì½ê¤Ï gnuplot ¤Î¥¤¥ó¥¹¥È¡¼¥ë»þ¤Ë·èÄꤵ¤ì¡¢ loadpath ¤ÇÃΤ뤳¤È¤¬¤Ç¤­¤Þ¤¹¡£¼¡¤Ë¥æ¡¼¥¶¤Î¥Û¡¼¥à¥Ç¥£¥ì¥¯¥È¥êÆ⠤˸ĿÍÍѤÎÀßÄê¥Õ¥¡¥¤¥ë¤òõ¤·¤Þ¤¹¡£¤½¤Î¥Õ¥¡¥¤¥ë¤Ï Unix ·Ï¤Î¥·¥¹¥Æ¥à¤Ç¤Ï ‘.gnuplot‘ ¤Ç¤¢¤ê¡¢¤½¤Î¾¤Î½èÍý·Ï¤Ç¤Ï ‘GNUPLOT.INI‘ ¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£ (Windows ¤È OS/2 ¤Ç¤Ï¡¢´Ä¶­ÊÑ¿ô ‘GNUPLOT‘ ¤ËÀßÄꤵ¤ì¤Æ¤¤¤ë̾Á°¤Î¥Ç¥£¥ì ¥¯¥È¥êÆâ¤Ë¤½¤ì¤òõ¤·¤Þ¤¹; Windows ¤Ç¤Ï¡¢ÊÑ¿ô GNUPLOT ¤¬ÄêµÁ¤µ¤ì¤Æ¤¤¤Ê ¤±¤ì¤Ð ‘USEPROFILE‘ ¤ò»ÈÍѤ·¤Þ¤¹)¡£Ãí°Õ: ¥¤¥ó¥¹¥È¡¼¥ë»þ¤Ë ‘gnuplot‘ ¤¬ ºÇ½é¤Ë¥«¥ì¥ó¥È¥Ç¥£¥ì¥¯¥È¥ê¤òõ¤¹¤è¤¦¤ËÀßÄê¤Ç¤­¤Þ¤¹¤¬¡¢¥»¥­¥å¥ê¥Æ¥£¾å´í ¸±¤Ê¤Î¤Ç¤½¤ì¤Ï¿ä¾©¤·¤Þ¤»¤ó¡£

1.21 ʸ»úÎóÄê¿ô¤Èʸ»úÎóÊÑ¿ô (Strings)

ʸ»úÎóÄê¿ô¤Ë²Ã¤¨¤Æ¡¢¤Û¤È¤ó¤É¤Î gnuplot ¥³¥Þ¥ó¥É¤Ïʸ»úÎóÊÑ¿ô¡¢Ê¸»úÎó¼° ¤Þ¤¿¤Ïʸ»úÎó¤òÊÖ¤¹´Ø¿ô¤â¼õ¤±ÉÕ¤±¤Þ¤¹¡£Î㤨¤Ð¡¢°Ê²¼¤Î 4 ¤Ä¤Î plot ¤Î¤ä ¤êÊý¤Ï·ë²Ì¤È¤·¤ÆÁ´¤ÆƱ¤¸ÉÁ²è¥¿¥¤¥È¥ë¤òÀ¸À®¤·¤Þ¤¹:

      four = "4"
      graph4 = "Title for plot #4"
      graph(n) = sprintf("Title for plot #%d",n)

      plot 'data.4' title "Title for plot #4"
      plot 'data.4' title graph4
      plot 'data.4' title "Title for plot #".four
      plot 'data.4' title graph(4)

À°¿ô¤Ï¡¢¤½¤ì¤¬Ê¸»úÎó·ë¹ç±é»»»Ò¤Ë¤è¤Ã¤ÆºîÍѤµ¤ì¤¿¾ì¹ç¤Ï¡¢Ê¸»úÎó¤ËÊÑ´¹¤µ ¤ì¤Þ¤¹¤Î¤Ç¡¢°Ê²¼¤ÎÎã¤â¾å¤ÈƱÍͤËÆ°ºî¤·¤Þ¤¹:

      N = 4
      plot 'data.'.N title "Title for plot #".N

°ìÈ̤ˡ¢¥³¥Þ¥ó¥É¥é¥¤¥ó¤Î³ÆÍ×ÁǤϡ¢¤½¤ì¤é¤¬É¸½àŪ¤Ê gnuplot ¤Ø¤ÎÌ¿Îáʸ Ë¡¤Î°ìÉôʬ¤Èǧ¼±¤µ¤ì¤ë¤â¤Î°Ê³°¤Ï¡¢Í­¸ú¤Êʸ»úÎóÊÑ¿ô¤È¤·¤Æ¤Îɾ²Á¤Î¤ß¤¬¹Ô ¤Ê¤ï¤ì¤Þ¤¹¡£¤è¤Ã¤Æ¡¢°Ê²¼¤Î¥³¥Þ¥ó¥ÉÎó¤Ï¡¢¶²¤é¤¯¤Ïº®Íð¤ò°ú¤­µ¯¤³¤µ¤Ê¤¤¤è ¤¦¤ËÈò¤±¤é¤ì¤ë¤Ù¤­¤Ç¤¹¤¬¡¢Ê¸Ë¡Åª¤Ë¤Ï´Ö°ã¤Ã¤Æ¤Ï¤¤¤Þ¤»¤ó:

      plot = "my_datafile.dat"
      title = "My Title"
      plot plot title title

ʸ»úÎó¤ËÂФ¹¤ë 3 ¤Ä¤ÎÆó¹à±é»»»Ò¤¬ÍÑ°Õ¤µ¤ì¤Æ¤¤¤Þ¤¹: ʸ»úÎó¤Î·ë¹ç±é»»»Ò ".", ʸ»úÎó¤ÎÅù¹æ±é»»»Ò "eq", ¤ª¤è¤Óʸ»úÎó¤ÎÉÔÅù¹æ±é»»»Ò "ne" ¤Ç¤¹¡£°Ê ²¼¤ÎÎã¤Ç¤Ï TRUE ¤¬É½¼¨¤µ¤ì¤Þ¤¹¡£

     if ("A"."B" eq "AB") print "TRUE"

°Ê²¼¤â»²¾È: 2 ¤Ä¤Îʸ»úÎó½ñ¼°´Ø¿ô gprintf, sprintf¡£

Ǥ°Õ¤Îʸ»úÎó¡¢Ê¸»úÎóÊÑ¿ô¡¢Ê¸»úÎóÃÍ´Ø¿ô¤Ë¡¢ÈÏ°Ï»ØÄê»Ò¤ò¤Ä¤±¤ë¤³¤È¤Ë¤è¤ê Éôʬʸ»úÎó¤ò»ØÄê¤Ç¤­¤Þ¤¹¡£ÈÏ°Ï»ØÄê»Ò¤Ï [begin:end] ¤Î·Á¤Ç¡¢begin ¤ÏÉô ʬʸ»úÎó¤ÎÀèƬ°ÌÃÖ¡¢end ¤ÏºÇ¸å¤Î°ÌÃ֤Ǥ¹¡£°ÌÃÖ»ØÄê¤Ï¡¢ºÇ½é¤Îʸ»ú¤ò 1 ÈÖÌܤȸ«¤Þ¤¹¡£ÀèƬ¤Î°ÌÃÖ¡¢ºÇ¸å¤Î°ÌÃ֤϶õ¡¢¤¢¤ë¤¤¤Ï ’*’ ¤Ç¤â¹½¤¤¤Þ¤»¤ó¡£ ¤½¤Î¾ì¹ç¡¢¤½¤ì¤Ï¸µ¤Îʸ»úÎó¼«ÂΤÎÀèƬ¡¢¤¢¤ë¤¤¤ÏºÇ¸å¤ò°ÕÌ£¤·¤Þ¤¹¡£Î㤨¤Ð¡¢ str[:] ¤ä str[*:*] ¤Ï¤É¤Á¤é¤â str ¤Îʸ»úÎóÁ´ÂΤò°ÕÌ£¤·¤Þ¤¹¡£

1.22 ÃÖ´¹¤È¥³¥Þ¥ó¥É¥é¥¤¥ó¥Þ¥¯¥í (Substitution)

gnuplot ¤Ø¤ÎÌ¿Îáʸ»úÎ󤬺ǽé¤ËÆɤ߹þ¤Þ¤ì¤¿»þÅÀ¡¢¤¹¤Ê¤ï¤Á¤Þ¤À¤½¤ì¤¬²ò¼á ¤µ¤ì¡¢¤â¤·¤¯¤Ï¼Â¹Ô¤µ¤ì¤ëÁ°¤ÎÃʳ¬¤Ç¡¢2 ¤Ä¤Î·Á¼°¤Îñ¸ì¤ÎÃÖ´¹¤¬¼Â¹Ô¤µ¤ì¤Þ ¤¹¡£¤½¤ì¤é¤Ï¥Ð¥Ã¥¯¥¯¥©¡¼¥È (ASCII ÈÖ¹æ 96) ¤Ç°Ï¤Þ¤ì¤Æ¤¤¤ë¤«¡¢¤Þ¤¿¤Ï @ (ASCII ÈÖ¹æ 64) ¤¬Æ¬¤Ë¤Ä¤¤¤¿Ê¸»úÎó¤ËÂФ·¤Æ¹Ô¤Ê¤ï¤ì¤Þ¤¹¡£

1.22.1 ¥Ð¥Ã¥¯¥¯¥©¡¼¥È¤Ë¤è¤ë¥·¥¹¥Æ¥à¥³¥Þ¥ó¥É¤ÎÃÖ´¹ (Substitution backquotes)

¥·¥§¥ë¥³¥Þ¥ó¥É¤ò¥Ð¥Ã¥¯¥¯¥©¡¼¥È¤Ç°Ï¤à¤³¤È¤Ë¤è¤Ã¤Æ¥³¥Þ¥ó¥ÉÃÖ´¹¤ò¹Ô¤¦¤³ ¤È¤¬¤Ç¤­¤Þ¤¹¡£¤³¤Î¥³¥Þ¥ó¥É¤Ï»Ò¥×¥í¥»¥¹¤Ç¼Â¹Ô¤µ¤ì¡¢¤½¤Î½ÐÎÏ·ë²Ì¤Ç¥³¥Þ ¥ó¥É¥é¥¤¥ó¤Î¥Ð¥Ã¥¯¥¯¥©¡¼¥È¤Ç°Ï¤Þ¤ì¤¿¥³¥Þ¥ó¥É¤òÃÖ¤­´¹¤¨¤Þ¤¹¡£½èÍý·Ï¤Ë ¤è¤Ã¤Æ¤Ï¥Ñ¥¤¥×¤¬¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¤â¤¢¤ê¤Þ¤¹¡£°Ê²¼»²¾È: ‘plot datafile special-filenames‘¡£

¥³¥Þ¥ó¥ÉÃÖ´¹¤Ï¡¢Ã±°ì°úÍÑÉäÆâ¤Îʸ»úÎó°Ê³°¤Ï¡¢‘gnuplot‘ ¤Î¥³¥Þ¥ó¥É¥é¥¤ ¥óÃæ¡¢¤É¤³¤Ç¤Ç¤â»ÈÍѲÄǽ¤Ç¤¹¡£

Îã:

°Ê²¼¤ÎÎã¤Ï¡¢‘leastsq‘ ¤È¤¤¤¦¥×¥í¥°¥é¥à¤ò¼Â¹Ô¤·¡¢¤½¤Î½ÐÎÏ·ë²Ì¤Ç¡¢ ‘leastsq‘ ¤ò (¤Þ¤ï¤ê¤Î°úÍÑÉ䤳¤ß¤Ç) ÃÖ¤­´¹¤¨¤Þ¤¹:

      f(x) = `leastsq`

¤¿¤À¤· VMS ¤Ç¤Ï¡¢

      f(x) = `run leastsq`

°Ê²¼¤Ï¸½ºß¤ÎÆüÉդȥ桼¥¶¡¼Ì¾¤Î¥é¥Ù¥ë¤òÀ¸À®¤·¤Þ¤¹:

      set label "generated on `date +%Y-%m-%d` by `whoami`" at 1,1
      set timestamp "generated on %Y-%m-%d by `whoami`"

1.22.2 ʸ»úÎóÊÑ¿ô¤Î¥Þ¥¯¥íÃÖ´¹ (Substitution macros)

¥³¥Þ¥ó¥É¥é¥¤¥ó¤Î¥Þ¥¯¥íÃÖ´¹¤Ï¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï̵¸ú¤Ë¤Ê¤Ã¤Æ¤¤¤Þ¤¹¤¬¡¢ macros ¤ÇÍ­¸ú¤Ë¤Ç¤­¤Þ¤¹¡£¥Þ¥¯¥íÃÖ´¹¤¬Í­¸ú¤Ç¤¢¤ë¾ì¹ç¡¢Ê¸»ú @ ¤Ï¡¢ ¥³¥Þ¥ó¥É¥é¥¤¥ó¾å¤Ç¤½¤Îʸ»úÎóÊÑ¿ô¤ÎÃͤؤÎÃÖ´¹¤ò¹Ô¤Ê¤¦¤Î¤Ë»È¤ï¤ì¤Þ¤¹¡£Ê¸ »úÎóÊÑ¿ô¤ÎÃͤȤ·¤Æ¤Îʸ¤Ï¡¢Ê£¿ô¤Îñ¸ì¤«¤é¤Ê¤ë¤³¤È¤â²Äǽ¤Ç¤¹¡£¤³¤ì¤Ë¤è¤ê ʸ»úÎóÊÑ¿ô¤ò¥³¥Þ¥ó¥É¥é¥¤¥ó¥Þ¥¯¥í¤È¤·¤Æ»È¤¦¤³¤È¤¬²Äǽ¤Ë¤Ê¤ê¤Þ¤¹¡£¤³¤Îµ¡ ǽ¤Ë¤è¤êŸ³«¤Ç¤­¤ë¤Î¤Ïʸ»úÎóÄê¿ô¤Î¤ß¤Ç¡¢Ê¸»úÎó¤òÃͤ˼è¤ë¿ô¼°¤ò»È¤¦¤³¤È ¤Ï¤Ç¤­¤Þ¤»¤ó¡£ Îã:

      set macros
      style1 = "lines lt 4 lw 2"
      style2 = "points lt 3 pt 5 ps 2"
      range1 = "using 1:3"
      range2 = "using 1:5"
      plot "foo" @range1 with @style1, "bar" @range2 with @style2

¤³¤Î @ µ­¹æ¤ò´Þ¤à¹Ô¤Ï¡¢¤½¤ÎÆþÎÏ»þ¤ËŸ³«¤µ¤ì¡¢¤½¤ì¤¬¼ÂºÝ¤Ë¼Â¹Ô¤µ¤ì¤ë¤È ¤­¤Ë¤Ï¼¡¤Î¤è¤¦¤ËÁ´ÉôÂǤÁ¹þ¤ó¤À¾ì¹ç¤ÈƱ¤¸¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£

      plot "foo" using 1:3 with lines lt 4 lw 2, \
           "bar" using 1:5 with points lt 3 pt 5 ps 2

´Ø¿ô exists() ¤Ï¥Þ¥¯¥í¤Îɾ²Á¤Ë´Ø¤·¤ÆÍ­ÍѤǤ·¤ç¤¦¡£°Ê²¼¤ÎÎã¤Ï¡¢C ¤¬°ÂÁ´ ¤Ë¥æ¡¼¥¶ÄêµÁÊÑ¿ô¤Î̾Á°¤ËŸ³«¤Ç¤­¤ë¤«¤É¤¦¤«¤ò¥Á¥§¥Ã¥¯¤·¤Þ¤¹¡£

      C = "pi"
      if (exists(C)) print C," = ", @C

¥Þ¥¯¥í¤ÎŸ³«¤Ï¡¢Ã±°ì°úÍÑÉäÆâ¡¢¤Þ¤¿¤ÏÆó½Å°úÍÑÉäÆâ¤Ç¤Ï¹Ô¤Ê¤ï¤ì¤Þ¤»¤ó¤¬¡¢ ¥Ð¥Ã¥¯¥¯¥©¡¼¥ÈÆâ¤Ç¤Ï¥Þ¥¯¥íŸ³«¤µ¤ì¤Þ¤¹¡£

¥Þ¥¯¥í¤ÎŸ³«¤Ï¡¢gnuplot ¤¬¿·¤·¤¤¥³¥Þ¥ó¥É¹Ô¤ò¸«¤¿¤È¤­¤ËÈó¾ï¤ËÁᤤÃʳ¬¤Ç gnuplot ¤¬½èÍý¤·¡¢¤½¤·¤Æ¤¿¤À°ìÅÙ¤À¤±¤½¤ì¤ò¹Ô¤¤¤Þ¤¹¡£¤è¤Ã¤Æ¡¢

     A = "c=1"
     @A

¤Î¤è¤¦¤Ê¥³¡¼¥É¤ÏÀµ¤·¤¯¼Â¹Ô¤·¤Þ¤¹¤¬¡¢°Ê²¼¤Î¤è¤¦¤Ê¹Ô¤Ï¤À¤á¤Ç¤¹¡£¤½¤ì¤Ï¡¢ ¥Þ¥¯¥í¤ÎÄêµÁ¤¬Æ±¤¸¹Ô¤Ë¤¢¤ë¤¿¤áŸ³«¤Ë´Ö¤Ë¹ç¤ï¤Ê¤¤¤«¤é¤Ç¤¹¡£

     A = "c=1"; @A   # will not expand to c=1

¥³¥Þ¥ó¥É¤ò´°À®¤µ¤»¤Æ¼Â¹Ô¤¹¤ë¤Ë¤Ï¡¢¥³¥Þ¥ó¥É evaluate ¤âÍ­ÍѤǤ·¤ç¤¦¡£

1.22.3 ʸ»úÎóÊÑ¿ô¡¢¥Þ¥¯¥í¡¢¥³¥Þ¥ó¥É¥é¥¤¥óÃÖ´¹ (mixing_macros_backquotes)

ʸ»úÎóÊÑ¿ô¤ä¥Ð¥Ã¥¯¥¯¥©¡¼¥È¤Ë¤è¤ëÃÖ´¹¡¢¥Þ¥¯¥í¤Ë¤è¤ëÃÖ´¹¤ÎÁê¸ß´Ø·¸¤Ï¾¯¤· ¤ä¤ä¤³¤·¤¤¤Ç¤¹¡£¥Ð¥Ã¥¯¥¯¥©¡¼¥È¤Ï¥Þ¥¯¥íÃÖ´¹¤ò˸¤²¤Ê¤¤¤Î¤Ç¡¢

      filename = "mydata.inp"
      lines = ` wc --lines @filename | sed "s/ .*//" `

¤Ï¡¢mydata.ipn ¤Î¹Ô¿ô¤òÀ°¿ôÊÑ¿ô lines ¤ËÊݸ¤¹¤ë¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£¤Þ¤¿¡¢ Æó½Å°úÍÑÉä¤Ï¥Ð¥Ã¥¯¥¯¥©¡¼¥È¤ÎÃÖ´¹¤ò˸¤²¤Ê¤¤¤Î¤Ç¡¢

      mycomputer = "`uname -n`"

¤Ï¡¢¥·¥¹¥Æ¥à¥³¥Þ¥ó¥É ‘uname -n‘ ¤ÎÊÖ¤¹Ê¸»úÎó¤òʸ»úÎóÊÑ¿ô mycomputer ¤Ë Êݸ¤¹¤ë¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£

¤·¤«¤·¡¢¥Þ¥¯¥íÃÖ´¹¤ÏÆó½Å°úÍÑÉäÆâ¤Ç¤Ïµ¡Ç½¤·¤Ê¤¤¤Î¤Ç¡¢¥·¥¹¥Æ¥à¥³¥Þ¥ó¥É¤ò ¥Þ¥¯¥í¤È¤·¤ÆÄêµÁ¤·¤Æ¤½¤ì¤ò¥Þ¥¯¥í¤È¤·¤ÆÍøÍѤ·¤«¤Ä¥Ð¥Ã¥¯¥¯¥©¡¼¥ÈÃÖ´¹¤ò¹Ô ¤Ê¤¦¤³¤È¤Ï¤Ç¤Ç¤­¤Þ¤»¤ó¡£

       machine_id = "uname -n"
       mycomputer = "`@machine_id`"  # ¤¦¤Þ¤¯¤¤¤«¤Ê¤¤ !

¤³¤Î¼ºÇԤϡ¢Æó½Å°úÍÑÉ䤬 @machine_id ¤ò¥Þ¥¯¥í¤È¤·¤Æ²ò¼á¤¹¤ë¤³¤È¤ò˸¤² ¤Æ¤¤¤ë¤«¤é¤Ç¤¹¡£¥·¥¹¥Æ¥à¥³¥Þ¥ó¥É¤ò¥Þ¥¯¥í¤È¤·¤ÆÊݸ¤·¡¢¤½¤Î¸å¤½¤ì¤ò¼Â¹Ô ¤¹¤ë¤Ë¤Ï¡¢¥Ð¥Ã¥¯¥¯¥©¡¼¥È¼«ÂΤâ¥Þ¥¯¥íÆâ¤Ë´Þ¤á¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£¤³¤ì¤Ï°Ê ²¼¤Î¤è¤¦¤Ë¥Þ¥¯¥í¤òÄêµÁ¤¹¤ë¤³¤È¤Ç¼Â¸½¤Ç¤­¤Þ¤¹¡£sprintf ¤Î½ñ¼°¤Ë¤Ï 3 ¼ï Îà¤Î°úÍÑÉäÁ´¤Æ¤¬Æþ¤ì»Ò¤Ë¤Ê¤Ã¤Æ¤¤¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£

      machine_id = sprintf('"`uname -n`"')
      mycomputer = @machine_id

1.23 ¶èÀÚ¤ê¤ä¥«¥Ã¥³¤Î»È¤¤Êý (Syntax)

¥ê¥¹¥È¤äºÂɸ¤¬¥³¥ó¥Þ (,) ¶èÀÚ¤ê¤Ç¤¢¤ë¤Î¤ËÂФ·¡¢¥ª¥×¥·¥ç¥ó¤ä¤½¤ì¤Ëȼ¤¦ ¥Ñ¥é¥á¡¼¥¿¤Ï¥¹¥Ú¡¼¥¹ ( ) ¶èÀÚ¤ê¤Ç¤¹¡£ÈϰϤϥ³¥í¥ó (:) ¤Ç¶èÀڤäƤ«¤®¤« ¤Ã¤³ ([]) ¤Ç¤¯¤¯¤ê¤Þ¤¹¤·¡¢Ê¸»úÎó¤ä¥Õ¥¡¥¤¥ë̾¤Ï°úÍÑÉä¤Ç¤¯¤¯¤ê¡¢Â¾¤Ë¤¤¤¯ ¤Ä¤«¥«¥Ã¥³ (()) ¤Ç¤¯¤¯¤ë¤â¤Î¤¬¤¢¤ê¤Þ¤¹¡£

¥³¥ó¥Þ¤Ï°Ê²¼¤Î¶èÀÚ¤ê¤Ç»ÈÍѤµ¤ì¤Þ¤¹¡£‘set‘ ¥³¥Þ¥ó¥É¤Î arrow, ‘key‘, ‘label‘ ¤ÎºÂɸ; Åö¤Æ¤Ï¤á (fit) ¤é¤ì¤ëÊÑ¿ô¤Î¥ê¥¹¥È (¥³¥Þ¥ó¥É ‘fit‘ ¤Î¥­ ¡¼¥ï¡¼¥É ‘via‘ ¤Ë³¤¯¥ê¥¹¥È); ¥³¥Þ¥ó¥É cntrparam ¤Ç»ØÄꤵ¤ì¤ë¤È ¤Ó¤È¤Ó¤ÎÅù¹âÀþ¤ÎÃͤ䤽¤Î¥ë¡¼¥×¥Ñ¥é¥á¡¼¥¿¤Î¥ê¥¹¥È; ‘set‘ ¥³¥Þ¥ó¥É¤Î dgrid3d dummy, isosamples, offsets, origin, samples, size, ‘time‘, view ¤Î°ú¿ô; ÌÜÀ¹¤ê¤Î°ÌÃ֤䤽¤Î¥ë¡¼¥×¥Ñ¥é¥á¡¼¥¿¤Î¥ê ¥¹¥È; ¥¿¥¤¥È¥ë¤ä¼´¤Î¸«½Ð¤·¤Î°ÌÃÖ; plot, replot, ‘splot‘ ¥³¥Þ¥ó¥É¤Î x,y,z ºÂɸ¤Î·×»»¤Ë»È¤ï¤ì¤ëÇÞ²ðÊÑ¿ô´Ø¿ô¤Î¥ê¥¹¥È; plot, replot, ‘splot‘ ¥³¥Þ¥ó¥É¤ÎÊ£¿ô¤ÎÉÁ²è (¥Ç¡¼¥¿¡¢¤Þ¤¿¤Ï´Ø¿ô) ¤Î¤½¤ì¤¾¤ì¤Î°ìÏ¢¤Î¥­ ¡¼¥ï¡¼¥É¤Î¥ê¥¹¥È¡£

(´Ý) ¥«¥Ã¥³¤Ï¡¢ÌÜÀ¹¤ê¤Î¸«½Ð¤·¤ò (¥ë¡¼¥×¥Ñ¥é¥á¡¼¥¿¤Ç¤Ï¤Ê¤¯) ÌÀ¼¨Åª¤Ë½¸ ¹çÍ¿¤¨¤ë¾ì¹ç¤Î¶èÀÚ¤ê¤È¤·¤Æ¡¢¤Þ¤¿¤Ï ‘fit‘, plot, replot, ‘splot‘ ¥³ ¥Þ¥ó¥É¤Î using ¥Õ¥£¥ë¥¿¤Ç¤Î·×»»¤ò»Ø¼¨¤¹¤ë¤¿¤á¤Ë»È¤ï¤ì¤Þ¤¹¡£

(¥«¥Ã¥³¤ä¥³¥ó¥Þ¤ÏÄ̾ï¤Î´Ø¿ô¤Îɽµ­¤Ç¤â»È¤ï¤ì¤Þ¤¹¡£)

¤«¤®¤«¤Ã¤³¤Ï¡¢‘set‘, plot, ‘splot‘ ¥³¥Þ¥ó¥É¤Ç¤ÏÈϰϤò¶èÀÚ¤ë¤Î¤Ë»È¤ï ¤ì¤Þ¤¹¡£

¥³¥í¥ó¤Ï ‘range‘ (ÈÏ°Ï) »ØÄê (‘set‘, plot, ‘splot‘ ¥³¥Þ¥ó¥É¤Ç»È¤ï¤ì ¤ë) ¤Îξü¤ÎÃͤò¶èÀÚ¤ë¤Î¤Ë¡¢¤Þ¤¿¤Ï plot, replot, ‘splot‘, ‘fit‘ ¥³ ¥Þ¥ó¥É¤Î using ¥Õ¥£¥ë¥¿¤Î³Æ¥¨¥ó¥È¥ê¤ò¶èÀÚ¤ë¤Î¤Ë»È¤ï¤ì¤Þ¤¹¡£

¥»¥ß¥³¥í¥ó (;) ¤Ï¡¢°ì¹Ô¤Î¥³¥Þ¥ó¥É¹ÔÆâ¤ÇÍ¿¤¨¤é¤ì¤ëÊ£¿ô¤Î¥³¥Þ¥ó¥É¤ò¶èÀÚ ¤ë¤Î¤Ë»È¤ï¤ì¤Þ¤¹¡£

Ã楫¥Ã¥³ ({}) ¤Ï¡¢³Èĥʸ»úÎó½èÍý¥â¡¼¥É (enhanced text mode) ¤Îµ­½Ò¤ä¡¢ if/then/else ʸ¤Î¥Ö¥í¥Ã¥¯¤Î¶èÀÚ¤ê¤È¤·¤Æ»È¤ï¤ì¤Þ¤¹¤·¡¢¤Þ¤¿¤ÏÊ£ÁÇ¿ô¤òµ­ ½Ò¤¹¤ë¤Î¤Ë¤â»È¤ï¤ì¤Þ¤¹: {3,2} = 3 + 2i ¤È¤Ê¤ê¤Þ¤¹¡£

EEPIC, Imagen, Uniplex, LaTeX, TPIC ¤Î³Æ½ÐÎÏ·Á¼°¤Ç¤Ï¡¢Ã±°ì°úÍÑÉäÆâ¤Î \\ ¤Þ¤¿¤ÏÆó½Å°úÍÑÉäÆâ¤Î \\\\ ¤Ç²þ¹Ô¤ò¼¨¤¹¤³¤È¤¬²Äǽ¤Ç¤¹¡£

1.23.1 °úÍÑÉä (Quotes)

gnuplot ¤Ï¡¢Ê¸»úÎó¤ò¶èÀÚ¤ë¤Î¤Ë¡¢Æó½Å°úÍÑÉä (ASCII ¥³¡¼¥É 34 ÈÖ)¡¢Ã±°ì °úÍÑÉä (ASCII ¥³¡¼¥É 39 ÈÖ)¡¢¤ª¤è¤Ó¥Ð¥Ã¥¯¥¯¥©¡¼¥È (ASCII ¥³¡¼¥É 96 ÈÖ) ¤Î 3 ¼ïÎà¤Î°úÍÑÉä¤ò»È¤¤¤Þ¤¹¡£

¥Õ¥¡¥¤¥ë̾¤Ïñ°ì°úÍÑÉä¡¢¤¢¤ë¤¤¤ÏÆó½Å°úÍÑÉäÆâ¤Ç°Ï¤ß¤Þ¤¹¡£¤³¤Î¥Þ¥Ë¥å¥¢¥ë ¤Ç¤Ï°ìÈ̤˥³¥Þ¥ó¥É¤ÎÎ㼨¤Ç¤Ï¡¢¤ï¤«¤ê¤ä¤¹¤¯¤¹¤ë¤¿¤á¤Ë¥Õ¥¡¥¤¥ë̾¤Ïñ°ì°ú ÍÑÉä¤Ç¤¯¤¯¤ê¡¢Â¾¤Îʸ»úÎó¤ÏÆó½Å°úÍÑÉä¤Ç¤¯¤¯¤ê¤Þ¤¹¡£

¸«½Ð¤· (label)¡¢¥¿¥¤¥È¥ë (title)¡¢¤Þ¤¿¤Ï¤½¤Î¾¤ÎÉÁ²èÍ×ÁǤǻÈÍѤµ¤ì¤ëʸ »úÎóÄê¿ô¤äÊ£¿ô¹Ôʸ»úÎó¤Ïñ°ì°úÍÑÉä¡¢¤¢¤ë¤¤¤ÏÆó½Å°úÍÑÉäÆâ¤Ç°Ï¤ß¤Þ¤¹¡£°ú ÍÑÉä¤Ç°Ï¤Þ¤ì¤¿Ê¸»úÎó¤Î¤µ¤é¤Ê¤ë½èÍý¤Î·ë²Ì¤Ï¡¢¤É¤Î°úÍÑÉäµ­¹æ¤òÁª¤Ö¤«¤Ë¤è ¤Ã¤ÆÊѤï¤ê¤Þ¤¹¡£

\n (²þ¹Ô) ¤ä \345 (8 ¿Êɽµ­¤Îʸ»ú¥³¡¼¥É) ¤Î¤è¤¦¤Ê¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å (\) ¤Ë¤è¤ëÆüìʸ»úɽ¸½¤Ï¡¢2 ½Å°úÍÑÉäÆâ¤Îʸ»úÎó¤Ç¤Ï¸úÎϤò»ý¤Á¤Þ¤¹¡£Ã±°ì°úÍÑ ÉäÆâ¤Ç¤Ï¡¢¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å¼«ÂΤ¬Ä̾ï¤Îʸ»ú¤È¸«¤Ê¤µ¤ì¤Þ¤¹¡£Ã±°ì°úÍÑÉä Æâ¤Îʸ»úÎó¤Çñ°ì°úÍÑÉ伫ÂÎ (ASCII ¥³¡¼¥É 39 ÈÖ) ¤ò»È¤¦¤Ë¤Ï¡¢¤½¤ì¤ò½Å¤Í ¤Æ½ñ¤¯É¬Íפ¬¤¢¤ê¤Þ¤¹¡£¤Ä¤Þ¤ê¡¢Ê¸»úÎó "d\" s’ b\\" ¤È¡¢’d" s” b\’ ¤Ï´° Á´¤ËƱ¤¸¤â¤Î¤È¤Ê¤ê¤Þ¤¹¡£

1 ¤Ä¤ÎÊ£¿ô¹Ôʸ»úÎó¤Ë´Ø¤¹¤ë°ÌÃÖ¹ç¤ï¤»¤Ï³Æ¹Ô¤ËƱÅù¤ËƯ¤­¤Þ¤¹¡£¤è¤Ã¤Æ¡¢Ãæ ±û¤Ë°ÌÃÖ¹ç¤ï¤»¤µ¤ì¤¿Ê¸»úÎó

      "This is the first line of text.\nThis is the second line."

¤Ï¼¡¤Î¤è¤¦¤Ëɽ¼¨¤µ¤ì¤Þ¤¹:

                       This is the first line of text.
                          This is the second line.

¤·¤«¤·

      'This is the first line of text.\nThis is the second line.'

¤À¤È¼¡¤Î¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£

          This is the first line of text.\nThis is the second line.

³Èĥʸ»úÎó½èÍý (enhanced text processing) ¤ÏÆó½Å°úÍÑÉä¤ËÂФ·¤Æ¤âñ°ì°ú ÍÑÉä¤ËÂФ·¤Æ¤âµ¡Ç½¤·¤Þ¤¹¡£¤·¤«¤·¡¢¤½¤Î¥â¡¼¥É¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë½ÐÎÏ·Á¼° ¤Ç¤Î¤ßƯ¤­¤Þ¤¹¡£°Ê²¼»²¾È: ‘enhanced text‘¡£

¥Ð¥Ã¥¯¥¯¥©¡¼¥È (¡®¡®) ¤Ï¥³¥Þ¥ó¥É¥é¥¤¥óÃæ¤ÎÃÖ´¹¤Î¤¿¤á¤Ë¥·¥¹¥Æ¥à¥³¥Þ¥ó¥É ¤ò°Ï¤à¤Î¤Ë»È¤¤¤Þ¤¹¡£°Ê²¼»²¾È: ‘substitution‘¡£

1.24 »þ´Ö/ÆüÉեǡ¼¥¿ (Time/Date)

‘gnuplot‘ ¤ÏÆþÎϥǡ¼¥¿¤È¤·¤Æ»þ´Ö/ÆüÉÕ¾ðÊó¤Î»ÈÍѤò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤¹¡£ ¤³¤Îµ¡Ç½¤Ï ‘set xdata time‘, ‘set ydata time‘ ¤Ê¤É¤Î¥³¥Þ¥ó¥É¤Ë¤è¤Ã¤ÆÍ­ ¸ú¤Ë¤Ê¤ê¤Þ¤¹¡£

ÆâÉô¤Ç¤ÏÁ´¤Æ¤Î»þ´Ö/ÆüÉÕ¤Ï 2000 ǯ¤«¤é¤ÎÉÿô¤ËÊÑ´¹¤µ¤ì¤Þ¤¹¡£¥³¥Þ¥ó¥É timefmt ¤ÏÁ´¤Æ¤ÎÆþÎϽñ¼°¤òÄêµÁ¤·¤Þ¤¹¡£¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¡¢ÈÏ°Ï¡¢¼´¤Î ÌÜÀ¹¤ê¤Î¸«½Ð¤·¡¢¥é¥Ù¥ë¤Î°ÌÃÖ¡£¼êû¤Ë¸À¤¨¤Ð¡¢¥Ç¡¼¥¿¤ÎÃͤò¼õ¤±¤È¤ëÁ´¤Æ¤Î ¤â¤Î¤¬¤³¤Î½ñ¼°¤Ë¤·¤¿¤¬¤Ã¤Æ¼õ¤±¤È¤é¤Ê¤±¤ì¤Ð¤¤¤±¤Þ¤»¤ó¡£°ì»þ¤Ë¤Ï°ì¤Ä¤ÎÆþ ÎϽñ¼°¤Î¤ß¤¬Í­¸ú¤Ê¤Î¤Ç¡¢Æ±¤¸¤È¤­¤ËÆþÎϤµ¤ì¤ëÁ´¤Æ¤Î»þ´Ö/ÆüÉդΥǡ¼¥¿¤Ï Ʊ¤¸½ñ¼°¤Ç¤¢¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£¤è¤Ã¤Æ¡¢¥Õ¥¡¥¤¥ëÆâ¤Î x ¤È y ¤ÎξÊý¤¬»þ´Ö /ÆüÉեǡ¼¥¿¤Ç¤¢¤ë¾ì¹ç¤Ï¡¢¤½¤ì¤é¤ÏƱ¤¸½ñ¼°¤Ç¤Ê¤±¤ì¤Ð¤¤¤±¤Þ¤»¤ó¡£

Éÿô¤Ø (Éÿô¤«¤é) ¤ÎÊÑ´¹¤Ï¹ñºÝɸ½à»þ (UT; ¥°¥ê¥Ë¥Ã¥¸É¸½à»þ (GMT) ¤ÈƱ ¤¸) ¤¬»È¤ï¤ì¤Þ¤¹¡£³Æ¹ñɸ½à»þ¤ä²Æ»þ´Ö¤Ø¤ÎÊÑ´¹¤Îµ¡Ç½¤Ï²¿¤â»ý¤Á¹ç¤ï¤»¤Æ¤¤ ¤Þ¤»¤ó¡£¤â¤·¥Ç¡¼¥¿¤¬¤¹¤Ù¤ÆƱ¤¸É¸½à»þ´ÖÂӤ˽¾¤Ã¤Æ¤¤¤ë¤Ê¤é (¤½¤·¤ÆÁ´¤Æ¤¬ ²Æ»þ´Ö¤«¡¢¤½¤¦¤Ç¤Ê¤¤¤«¤Î¤É¤Á¤é¤«°ìÊý¤Ë¤Î¤ß½¾¤¦¤Ê¤é) ¤³¤ì¤Ë´Ø¤·¤Æ²¿¤â¿´ ÇÛ¤¹¤ë¤³¤È¤Ï¤¢¤ê¤Þ¤»¤ó¡£¤·¤«¤·¡¢¤¢¤Ê¤¿¤¬»ÈÍѤ¹¤ë¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤ÇÀäÂРŪ¤Ê»þ¹ï¤ò¸·Ì©¤Ë¹Í»¡¤·¤Ê¤±¤ì¤Ð¤¤¤±¤Ê¤¤¾ì¹ç¤Ï¡¢¤¢¤Ê¤¿¼«¿È¤¬ UT ¤ËÊÑ´¹¤¹ ¤Ù¤­¤Ç¤·¤ç¤¦¡£

xrange ¤Î¤è¤¦¤Ê¥³¥Þ¥ó¥É¤Ï¡¢¤½¤ÎÀ°¿ôÃͤò timefmt ¤Ë½¾¤Ã¤Æ²ò¼á ¤·Ä¾¤·¤Þ¤¹¡£timefmt ¤òÊѹ¹¤·¤Æ¤â¤¦°ìÅÙ ‘show‘ ¤Ç¤½¤ÎÃͤòɽ¼¨¤µ¤»¤ë¤È ¤½¤ì¤Ï¿·¤·¤¤ timefmt ¤Ë½¾¤Ã¤Æɽ¼¨¤µ¤ì¤Þ¤¹¡£¤³¤Î¤¿¤á¡¢¤â¤·µ¡Ç½¤òÄä»ß ¤µ¤»¤ë¥³¥Þ¥ó¥É (xdata ¤Î¤è¤¦¤Ê) ¤òÍ¿¤¨¤ë¤È¡¢¤½¤ÎÃͤÏÀ°¿ôÃͤȤ·¤Æ ɽ¼¨¤µ¤ì¤ë¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£

¥³¥Þ¥ó¥É format ¤Þ¤¿¤Ï format ¤Ï¡¢»ØÄꤵ¤ì¤¿¼´¤¬»þ´Ö/ ÆüÉդǤ¢¤ë¤Ê¤·¤Ë´Ø¤ï¤é¤ºÌÜÀ¹¤ê¤Î¸«½Ð¤·¤Ë»È¤ï¤ì¤ë½ñ¼°¤òÄêµÁ¤·¤Þ¤¹¡£

»þ´Ö/ÆüÉÕ¾ðÊ󤬥ե¡¥¤¥ë¤«¤éÉÁ²è¤µ¤ì¤ë¾ì¹ç¡¢plot, ‘splot‘ ¥³¥Þ¥ó¥É¤Ç ¤Ï using ¥ª¥×¥·¥ç¥ó¤ò¡Öɬ¤º¡×»È¤¦É¬Íפ¬¤¢¤ê¤Þ¤¹¡£plot, ‘splot‘ ¤Ç ¤Ï³Æ¹Ô¤Î¥Ç¡¼¥¿Îó¤ÎʬΥ¤Ë¥¹¥Ú¡¼¥¹¤ò»È¤¤¤Þ¤¹¤¬¡¢»þ´Ö/ÆüÉեǡ¼¥¿¤Ï¤½¤ÎÃæ ¤Ë¥¹¥Ú¡¼¥¹¤ò´Þ¤ßÆÀ¤ë¤«¤é¤Ç¤¹¡£¤â¤·¥¿¥Ö¶èÀÚ¤ê¤ò»ÈÍѤ·¤Æ¤¤¤ë¤Î¤Ê¤é¡¢¤¢¤Ê ¤¿¤Î¥·¥¹¥Æ¥à¤¬¤½¤ì¤ò¤É¤¦°·¤¦¤«³Î¤«¤á¤ë¤¿¤á¤Ë²¿ÅÙ¤â¥Æ¥¹¥È¤¹¤ëɬÍפ¬¤¢¤ë ¤Ç¤·¤ç¤¦¡£

´Ø¿ô ‘time‘ ¤Ï¡¢¸½ºß¤Î¥·¥¹¥Æ¥à»þ¹ï¤òÆÀ¤ë¤Î¤Ë»È¤¨¤Þ¤¹¡£¤³¤ÎÃͤϡ¢ strftime ´Ø¿ô¤ÇÆü»þʸ»úÎó¤ËÊÑ´¹¤Ç¤­¤Þ¤¹¤·¡¢timecolumn ¤ÈÁȤ߹ç¤ï¤» ¤ÆÁêÂÐŪ¤ÊÆü»þ¥°¥é¥Õ¤òºîÀ®¤¹¤ë¤Î¤Ë¤â»È¤¨¤Þ¤¹¡£°ú¿ô¤Î·¿¤Ï¤½¤ì¤¬ÊÖ¤¹¤â¤Î ¤ò·èÄꤷ¤Þ¤¹¡£°ú¿ô¤¬À°¿ô¤Î¾ì¹ç¤Ï time() ¤Ï¸½ºß¤Î»þ¹ï¤ò 2000 ǯ 1 ·î 1 Æü¤«¤é¤ÎÀ°¿ô¤È¤·¤ÆÊÖ¤·¡¢°ú¿ô¤¬¼Â¿ô (¤Þ¤¿¤ÏÊ£ÁÇ¿ô) ¤Ê¤é¤ÐƱÍͤÎÃͤò¼Â¿ô ¤È¤·¤ÆÊÖ¤·¤Þ¤¹¤¬¡¢¾®¿ô (Éðʲ¼) Éôʬ¤ÎÀºÅ٤ϡ¢¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¥·¥¹¥Æ¥à ¤Ë°Í¸¤·¤Þ¤¹¡£°ú¿ô¤¬Ê¸»úÎó¤Ê¤é¤Ð¡¢¤½¤ì¤ò½ñ¼°Ê¸»úÎó¤Ç¤¢¤ë¤È¤ß¤Ê¤·¡¢½ñ¼° ²½¤µ¤ì¤¿Æü»þʸ»úÎó¤òÄ󶡤¹¤ë¤è¤¦¤½¤ì¤ò strftime ¤ËÅϤ·¤Þ¤¹¡£

¼¡¤ÎÎã¤Ï»þ´Ö/ÆüÉեǡ¼¥¿¤ÎÉÁ²è¤ÎÎã¤Ç¤¹¡£

¥Õ¥¡¥¤¥ë "data" ¤Ï°Ê²¼¤Î¤è¤¦¤Ê¹Ô¤«¤é¤Ê¤ë¤È¤·¤Þ¤¹:

      03/21/95 10:00  6.02e23

¤³¤Î¥Õ¥¡¥¤¥ë¤Ï°Ê²¼¤Î¤è¤¦¤Ë¤·¤Æɽ¼¨¤µ¤ì¤Þ¤¹:

      set xdata time
      set timefmt "%m/%d/%y"
      set xrange ["03/21/95":"03/22/95"]
      set format x "%m/%d"
      set timefmt "%m/%d/%y %H:%M"
      plot "data" using 1:3

¤³¤³¤Ç¡¢x ¼´¤ÎÌÜÀ¹¤ê¤Î¸«½Ð¤·¤Ï "03/21" ¤Î¤è¤¦¤Ëɽ¼¨¤µ¤ì¤Þ¤¹¡£

°Ê²¼»²¾È: ‘time_specifiers‘¡£

2 ÉÁ²è¥¹¥¿¥¤¥ë (plotting styles)

gnuplot ¤Ç¤Ï¡¢¤¿¤¯¤µ¤ó¤ÎÉÁ²è¥¹¥¿¥¤¥ë¤¬ÍøÍѤǤ­¤Þ¤¹¡£ ¤½¤ì¤é¤Ï¡¢¥¢¥ë¥Õ¥¡¥Ù¥Ã¥È½ç¤Ë°Ê²¼¤Ë¾Ò²ð¤µ¤ì¤Æ¤¤¤Þ¤¹¡£ ¥³¥Þ¥ó¥É ‘set style data‘ ¤È ‘set style function‘ ¤Ï¡¢¤½¤ì°Ê¹ß¤Î plot ¤ä ‘splot‘ ¥³¥Þ¥ó¥É¤ËÂФ·¤Æ¥Ç¥Õ¥©¥ë¥È¤ÎÉÁ²è¥¹¥¿¥¤¥ë¤òÊѹ¹ ¤·¤Þ¤¹¡£

ÉÁ²è¥¹¥¿¥¤¥ë¤Ï¡¢¥³¥Þ¥ó¥É plot ¤ä ‘splot‘ ¤Î°ìÉôʬ¤È¤·¤Æ¡¢ÌÀ¼¨Åª¤Ë¥ª ¥×¥·¥ç¥ó»ØÄꤹ¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£°ì¤Ä¤ÎÉÁ²è¤ÎÃæ¤Ç¡¢Ê£¿ô¤ÎÉÁ²è¥¹¥¿¥¤¥ë¤ò ÁȤ߹ç¤ï¤»¤¿¤¤¾ì¹ç¤Ï¡¢³ÆÍ×ÁǤËÂФ·¤ÆÉÁ²è¥¹¥¿¥¤¥ë¤ò»ØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ ¤¹¡£

Îã:

     plot 'data' with boxes, sin(x) with lines

³ÆÉÁ²è¥¹¥¿¥¤¥ë¤Ï¡¢¤½¤ì¼«ÂΤ¬¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤«¤é¤Î¤¤¤¯¤Ä¤«¤Î¥Ç¡¼¥¿¤ÎÁÈ ¤ò´üÂÔ¤·¤Þ¤¹¡£Î㤨¤Ð¡¢¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï ‘lines‘ ¥¹¥¿¥¤¥ë¤Ï¡¢y ¤ÎÃͤÀ¤±¤Î 1 Îó¤Î¥Ç¡¼¥¿ (x ¤ÎÃͤϰÅÌۤ˽çÈ֤˼è¤é¤ì¤ë)¡¢¤Þ¤¿¤ÏºÇ½é¤¬ x, ¼¡¤¬ y ¤Î 2 ¤Ä¤ÎÎó¤ò´üÂÔ¤·¤Æ¤¤¤Þ¤¹¡£¥Õ¥¡¥¤¥ë¤Î²¿Îó¤Î¥Ç¡¼¥¿¤òÉÁ²è¥Ç¡¼¥¿¤È²ò¼á¤µ¤» ¤ë¤¦¤Þ¤¤ÊýË¡¤Ë´Ø¤¹¤ë¾ðÊó¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: using¡£

2.1 boxerrorbars

ÉÁ²è¥¹¥¿¥¤¥ë boxerrorbars ¤Ï 2 ¼¡¸µ¤Î¥Ç¡¼¥¿ÉÁ²è¤Ç¤Î¤ßÍøÍѲÄǽ¤Ç¤¹¡£ ¤³¤ì¤Ï boxes ¤È yerrorbars ¥¹¥¿¥¤¥ë¤ÎÁȹ礻¤Ç¤¹¡£¤³¤ì¤Ï¡¢3 Îó¡¢¤Þ ¤¿¤Ï 4 Î󡢤ޤ¿¤Ï 5 Îó¤Î¥Ç¡¼¥¿¤ò»ÈÍѤ·¤Þ¤¹:

     3 Îó:  x  y  ydelta
     4 Îó:  x  y  ydelta xdelta        # È¢¤ÎÉý != -2
     4 Îó:  x  y  ylow  yhigh          # È¢¤ÎÉý == -2
     5 Îó:  x  y  ylow  yhigh  xdelta

y ¤Î¸íº¹¤¬ "ydelta" ¤Î·Á¼°¤ÇÍ¿¤¨¤é¤ì¤Æ¡¢È¢¤Î²£Éý¤¬¤¢¤é¤«¤¸¤á -2.0 ¤ËÀß Äꤵ¤ì¤Æ (‘set boxwidth -2.0‘) ¤¤¤Ê¤±¤ì¤Ð¡¢È¢¤Î²£Éý¤Ï 4 ÎóÌܤÎÃͤÇÍ¿¤¨ ¤é¤ì¤Þ¤¹¡£y ¤Î¸íº¹¤¬ "ylow yhigh" ¤Î·Á¼°¤ÇÍ¿¤¨¤é¤ì¤ë¾ì¹ç¤ÏÈ¢¤Î²£Éý¤Ï 5 ÎóÌܤÎÃͤÇÍ¿¤¨¤é¤ì¤Þ¤¹¡£ÆÃÊ̤ʾì¹ç¤È¤·¤Æ¡¢"ylow yhigh" ¤Î¸íº¹·Á¼°¤Î 4 Îó¤Î¥Ç¡¼¥¿¤ËÂФ¹¤ë ‘boxwidth = -2.0‘ ¤È¤¤¤¦ÀßÄ꤬¤¢¤ê¤Þ¤¹¡£¤³¤Î¾ì¹çÈ¢ ¤Î²£Éý¤Ï¡¢ÎÙÀܤ¹¤ëÈ¢¤Ë¤¯¤Ã¤Ä¤¯¤è¤¦¤Ë¼«Æ°Åª¤Ë·×»»¤µ¤ì¤Þ¤¹¡£3 Îó¤Î¥Ç¡¼¥¿ ¤Î¾ì¹ç¤â¡¢²£Éý¤Ï¼«Æ°Åª¤Ë·×»»¤µ¤ì¤Þ¤¹¡£

ÆþÎÏÎó¤òÄɲà (4,5,6 ÎóÌÜ) ¤¹¤ë¤È¡¢¤½¤ì¤é¤Ï³Æ¥Ç¡¼¥¿ÅÀËè¤Î variable color ¾ðÊó (°Ê²¼»²¾È: ‘linecolor‘, ‘rgbcolor variable‘) ¤È¤·¤Æ»È¤ï¤ì¤Þ¤¹¡£¸í º¹Àþ¤Ï¡¢È¢¤Î¶­³¦¤ÈƱ¤¸¿§¤ÇÉÁ²è¤µ¤ì¤Þ¤¹¡£

È¢¤Î¹â¤µ¤Ï¡¢yerrorbars ¥¹¥¿¥¤¥ëƱÍÍ¤Ë y ¤Î¸íº¹¤ÎÃͤ«¤é·èÄꤵ¤ì¤Þ¤¹¡£ y-ydelta ¤«¤é y+ydelta ¤Þ¤Ç¡¢¤¢¤ë¤¤¤Ï ylow ¤«¤é yhigh ¤Þ¤Ç¡¢¤³¤ì¤é¤Ï²¿ Îó¤Î¥Ç¡¼¥¿¤¬Í¿¤¨¤é¤ì¤Æ¤¤¤ë¤«¤Ë¤è¤Ã¤Æ·è¤Þ¤ê¤Þ¤¹¡£ °Ê²¼¤â»²¾È errorbar ¥Ç¥â¡£

2.2 boxes

boxes ¥¹¥¿¥¤¥ë¤Ï 2 ¼¡¸µÉÁ²è¤Ç¤Î¤ßÍøÍѲÄǽ¤Ç¤¹¡£¤³¤ì¤ÏÍ¿¤¨¤é¤ì¤¿ x ºÂ ɸ¤òÃæ¿´¤È¤·¡¢x ¼´¤«¤é (¥°¥é¥Õ¤Î¶­³¦¤«¤é¡¢¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó) Í¿¤¨¤é¤ì¤¿ y ºÂɸ¤Þ¤Ç¤ÎÈ¢¤ò½ñ¤­¤Þ¤¹¡£¤³¤ì¤Ï´ðËÜŪ¤Ë¡¢2 Î󡢤ޤ¿¤Ï 3 Îó¤Î¥Ç¡¼¥¿¤ò»È ÍѤ·¤Þ¤¹¡£Í¾Ê¬¤ÊÆþÎÏÎó¤Ï¡¢variable ¹Ô¤äÅɤêÄÙ¤·¿§¤Î¾ðÊó¤¬Ä󶡤µ¤ì¤¿¤â ¤Î¤È¤·¤Æ»ÈÍѤµ¤ì¤Þ¤¹ (°Ê²¼»²¾È: ‘rgbcolor variable‘)¡£

     2 Îó:  x  y
     3 Îó:  x  y  x_width

È¢¤ÎÉý¤Ï 3 ¤Ä¤Î¤¦¤Á°ì¤Ä¤ÎÊýË¡¤Ç·èÄꤵ¤ì¤Þ¤¹¡£ÆþÎϥǡ¼¥¿¤¬ 3 ÎóÌܤΥǡ¼ ¥¿¤ò»ý¤Ã¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢¤½¤ì¤¬È¢¤ÎÉý¤Ë¥»¥Ã¥È¤µ¤ì¤Þ¤¹¡£¤½¤¦¤Ç¤Ê¤¯¤Æ boxwidth ¥³¥Þ¥ó¥É¤ÇÈ¢¤ÎÉý¤¬¥»¥Ã¥È¤µ¤ì¤Æ¤¤¤¿¾ì¹ç¤Ï¡¢¤½¤ì¤¬»È¤ï¤ì ¤Þ¤¹¡£¤½¤Î¤É¤Á¤é¤Ç¤â¤Ê¤¤¾ì¹ç¡¢È¢¤ÎÉý¤Ï¡¢ÎÙÀܤ¹¤ëÈ¢¤¬¤¯¤Ã¤Ä¤¯¤è¤¦¤Ë¼«Æ° Ū¤Ë·×»»¤µ¤ì¤Þ¤¹¡£

È¢¤ÎÃæ¿È¤Ï¸½ºß¤ÎÅɤê¤Ä¤Ö¤·¥¹¥¿¥¤¥ë (fillstyle) ¤Ë½¾¤Ã¤ÆÅɤê¤Ä¤Ö¤µ¤ì¤Þ ¤¹¡£¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: ‘set style fill‘¡£¿·¤·¤¤Åɤê¤Ä¤Ö¤·¥¹¥¿¥¤¥ë¤ò plot ¥³¥Þ¥ó¥É¾å¤Ç»ØÄꤹ¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£

Åɤê¤Ä¤Ö¤·¥¹¥¿¥¤¥ë¤¬ ‘empty‘ ¤Î¾ì¹ç¤Ï¡¢È¢¤ÏÅɤê¤Ä¤Ö¤µ¤ì¤Þ¤»¤ó¡£

Åɤê¤Ä¤Ö¤·¥¹¥¿¥¤¥ë¤¬ ‘solid‘ ¤Î¾ì¹ç¤Ï¡¢È¢¤Ï¸½ºß¤ÎÉÁ²è¿§¤Ç¥Ù¥¿Åɤꤵ¤ì ¤Þ¤¹¡£¤³¤ì¤Ë¤ÏÄɲ媥ץ·¥ç¥ó <density> ¤¬¤¢¤ê¡¢¤½¤ì¤ÏÅɤê¤Ä¤Ö¤·Ì©ÅÙ¤ò °ÕÌ£¤·¡¢0 ¤ÏÇØ·Ê¿§¡¢1 ¤ÏÉÁ²è¿§¤½¤Î¤â¤Î¤Ë¤Ê¤ê¤Þ¤¹¡£

Åɤê¤Ä¤Ö¤·¥¹¥¿¥¤¥ë¤¬ ‘pattern‘ ¤Î¾ì¹ç¤Ï¡¢È¢¤Ï¸½ºß¤ÎÉÁ²è¿§¤Ç¤¢¤ë¥Ñ¥¿¡¼ ¥ó¤ÇÅɤê¤Ä¤Ö¤µ¤ì¤Þ¤¹¤¬¡¢½ÐÎϥɥ饤¥Ð¤¬¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£

Îã:

¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤òÅɤê¤Ä¤Ö¤·¤¿È¢¤ÇÉÁ²è¤·¡¢È¢Æ±»Î¤ò¾¯¤·¿âľÊý¸þ¤Ë¥¹¥Ú¡¼¥¹ ¤ò¶õ¤±¤ë (ËÀ¥°¥é¥Õ):

      set boxwidth 0.9 relative
      set style fill solid 1.0
      plot 'file.dat' with boxes

¥Ñ¥¿¡¼¥ó¤Ç¤ÎÅɤê¤Ä¤Ö¤·¥¹¥¿¥¤¥ë¤ÎÈ¢¤Ç sin ¤È cos ¤Î¥°¥é¥Õ¤òÉÁ²è:

      set style fill pattern
      plot sin(x) with boxes, cos(x) with boxes

sin ¤Ï¥Ñ¥¿¡¼¥ó 0 ¤Ç¡¢cos ¤Ï¥Ñ¥¿¡¼¥ó 1 ¤ÇÉÁ²è¤µ¤ì¤Þ¤¹¡£Äɲ䵤ì¤ëÉÁ²è¤Ï ½ÐÎϥɥ饤¥Ð¤¬¥µ¥Ý¡¼¥È¤¹¤ë¥Ñ¥¿¡¼¥ó¤ò½Û´ÄŪ¤Ë»ÈÍѤ·¤Þ¤¹¡£

¤½¤ì¤¾¤ì¤Î¥Ç¡¼¥¿½¸¹ç¤ÇÌÀ¼¨Åª¤ËÅɤê¤Ä¤Ö¤·¥¹¥¿¥¤¥ë¤ò»ØÄê:

     plot 'file1' with boxes fs solid 0.25, \
          'file2' with boxes fs solid 0.50, \
          'file3' with boxes fs solid 0.75, \
          'file4' with boxes fill pattern 1, \
          'file5' with boxes fill empty

2.3 boxplot

boxplot ¤Ï¡¢ÃͤÎÅý·×Ū¤ÊʬÉÛ¤òɽ¸½¤¹¤ë°ìÈÌŪ¤ÊÊýË¡¤Ç¤¹¡£»Íʬ°Ì¶­³¦¤Ï¡¢ 1/4 ¤ÎÅÀ¤¬Âè°ì»Íʬ°Ì¶­³¦°Ê²¼¤ÎÃͤò»ý¤Ä¤è¤¦¤Ë¡¢1/2 ¤ÎÅÀ¤¬ÂèÆó»Íʬ°Ì¶­³¦ (¥á¥¸¥¢¥ó) °Ê²¼¤ÎÃͤò»ý¤Ä¤è¤¦¤Ë¡¢Åù¤È·èÄꤵ¤ì¤Þ¤¹¡£Âè°ì»Íʬ°Ì¤ÈÂè»°»Í ʬ°Ì¤Î´Ö¤ÎÎΰè¤ò°Ï¤à¤è¤¦¤ËÈ¢¤òÉÁ²è¤·¡¢¥á¥¸¥¢¥óÃͤΤȤ³¤í¤Ë¤Ï¿åÊ¿Àþ¤òÉÁ ¤­¤Þ¤¹¡£È¢¤Ò¤²¤Ï¡¢È¢¤«¤é¥æ¡¼¥¶»ØÄê¸Â³¦¤Þ¤Ç±äŤµ¤ì¤Þ¤¹¡£¤½¤ì¤é¤Î¸Â³¦¤Î ³°¤Ë¤¢¤ëÅÀ¤Ï¡¢¤Ò¤È¤Ä¤Ò¤È¤ÄÉÁ²è¤µ¤ì¤Þ¤¹¡£

Îã:

    # x ºÂɸ¤Ï 1.0¡¢y ¤Ï 5 ÎóÌܤÎÃͤΤȤ³¤í¤Ë boxplot ¤òÇÛÃÖ
    plot 'data' using (1.0):5

    # ¾å¤ÈƱ¤¸¤À¤¬¡¢Èϰϳ°¤ÎÅÀ¤Ï±£¤·¡¢boxplot ¤ÎÉý¤ò 0.3 ¤Ë¤¹¤ë
    set style boxplot nooutliers
    plot 'data' using (1.0):5:(0.3)

¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢using »ØÄê¤Ë¤è¤ë 2 ÎóÌܤΠy ¤Î¤¹¤Ù¤Æ¤ÎÃͤËÂФ¹¤ë boxplot ¤ò 1 ¤Ä¤À¤±À¸À®¤·¤Þ¤¹¡£¤·¤«¤·¡¢ÄɲäΠ(4 ¤ÄÌܤÎ) Îó¤ò»ØÄꤹ¤ë ¤È¡¢¤½¤ÎÎó¤ÎÃͤò¤¢¤ë°ø»ÒÊÑ¿ô¤ÎÎ¥»¶Åª¤Ê¥ì¥Ù¥ëÃͤǤ¢¤ë¤È¸«¤Ê¤·¡¢¤½¤ÎÎ¥»¶ ÃͤΥì¥Ù¥ë¤ÎÃͤοô¤À¤±¤Î boxplot ¤òÉÁ²è¤·¤Þ¤¹¡£¤½¤ì¤é¤Î boxplot ¤Î´Ö³Ö ¤Ï¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï 1.0 ¤Ç¤¹¤¬¡¢¤³¤ì¤Ï ‘set style boxplot separation‘ ¤Ç Êѹ¹¤Ç¤­¤Þ¤¹¡£¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢°ø»ÒÊÑ¿ô¤ÎÃͤϡ¢³Æ boxplot ¤Î²¼ (¤Þ¤¿¤Ï ¾å) ¤ÎÌÜÀ¹¤Î¥é¥Ù¥ë¤Ëɽ¼¨¤·¤Þ¤¹¡£

Îã

    # 'data' ¤Î 2 ÎóÌÜ¤Ï "control" ¤« "treatment" ¤Î¤¤¤º¤ì¤«¤Îʸ»úÎó¤Ç
    # °Ê²¼¤ÎÎã¤Ï¡¢¤½¤Î°ø»ÒËè¤Î 2 ¤Ä¤Î boxplot ¤òÀ¸À®¤¹¤ë
    plot 'data' using (1.0):5:(0):2

¤½¤ÎÈ¢¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÉý¤Ï ‘set boxwidth <width>‘ ¤ÇÀßÄê¤Ç¤­¤Þ¤¹¤¬¡¢plot ¥³¥Þ¥ó¥É¤Î using ¤Ë¤è¤ë 3 ÈÖÌܤΥª¥×¥·¥ç¥óÎó¤Ç¤â»ØÄê¤Ç¤­¤Þ¤¹¡£1 ÈÖÌÜ ¤È 3 ÈÖÌܤÎÎó (x ºÂɸ¤ÈÉý) ¤ÏÄ̾ï¥Ç¡¼¥¿Îó¤Ç¤Ï¤Ê¤¯Äê¿ô¤È¤·¤ÆÍ¿¤¨¤Þ¤¹¡£

¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢È¢¤Ò¤²¤ÏÈ¢¤Îü¤«¤é¡¢y ¤ÎÃͤ¬»Íʬ°ÌÈϰϤΠ1.5 ÇܤÎÃæ¤Ë ¼ý¤Þ¤Ã¤Æ¤¤¤ÆºÇ¤âÎ¥¤ì¤Æ¤¤¤ë¤è¤¦¤ÊÅÀ¤Þ¤Ç±äŤµ¤ì¤Þ¤¹¡£¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢ÈÏ °Ï³°¤ÎÅÀ (outlier) ¤Ï±ß (pointtype 7) ¤ÇÉÁ¤«¤ì¤Þ¤¹¡£È¢¤Ò¤²¤Îü¤ÎËÀ¤ÎÉý ¤Ï bars ¤ò»È¤Ã¤ÆÀ©¸æ¤Ç¤­¤Þ¤¹¡£

¤³¤ì¤é¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÀ­¼Á¤Ï boxplot ¥³¥Þ¥ó¥É¤ÇÊѹ¹¤Ç¤­¤Þ¤¹¡£ °Ê²¼»²¾È: boxplot, bars, boxwidth, ‘fillstyle‘, candlesticks¡£

2.4 boxxyerrorbars

boxxyerrorbars ¥¹¥¿¥¤¥ë¤Ï 2 ¼¡¸µ¤Î¥Ç¡¼¥¿ÉÁ²è¤Ç¤Î¤ßÍøÍѲÄǽ¤Ç¤¹¡£¤³¤ì ¤Ï¡¢xyerrorbars ¥¹¥¿¥¤¥ë¤¬Ã±¤ËÀþʬ¤Î¸òº¹¤Çɽ¸½¤¹¤ë¤È¤³¤í¤òĹÊý·Á¤Çɽ ¸½¤¹¤ë¤³¤È¤ò½ü¤±¤Ð¡¢¤Û¤ÜƱ¤¸¤Ç¤¹¡£¤³¤ì¤Ï¡¢ÆþÎϥǡ¼¥¿¤Î 4 Î󡢤ޤ¿¤Ï 6 Îó¤ò»ÈÍѤ·¤Þ¤¹¡£Í¾Ê¬¤ÊÆþÎÏÎó¤Ï¡¢variable ¹Ô¤äÅɤêÄÙ¤·¿§¤Î¾ðÊó¤¬Ä󶡤µ ¤ì¤¿¤â¤Î¤È¤·¤Æ»ÈÍѤµ¤ì¤Þ¤¹ (°Ê²¼»²¾È: ‘rgbcolor variable‘)¡£

     4 Îó:  x  y  xdelta  ydelta
     6 Îó:  x  y  xlow  xhigh  ylow  yhigh

È¢¤ÎÉý¤È¹â¤µ¤Ï xyerrorbars ¥¹¥¿¥¤¥ëƱÍÍ x, y ¤Î¸íº¹¤«¤é·èÄꤵ¤ì¤Þ¤¹ ¤Ä¤Þ¤ê¡¢xlow ¤«¤é xhigh ¤Þ¤Ç¤È ylow ¤«¤é yhigh ¤Þ¤Ç¡¢¤Þ¤¿¤Ï x-xdelta ¤«¤é x+xdelta ¤Þ¤Ç¤È y-ydelta ¤«¤é y+ydelta ¤Þ¤Ç¡£¤³¤ì¤é¤Ï²¿Îó¤Î¥Ç¡¼¥¿ ¤¬Í¿¤¨¤é¤ì¤Æ¤¤¤ë¤«¤Ë¤è¤Ã¤Æ·è¤Þ¤ê¤Þ¤¹¡£

ÆþÎÏÎó¤òÄɲà (5,7 ÎóÌÜ) ¤¹¤ë¤È¡¢¤½¤ì¤é¤Ï³Æ¥Ç¡¼¥¿ÅÀËè¤Î variable color ¾ðÊó (°Ê²¼»²¾È: ‘linecolor‘, ‘rgbcolor variable‘) ¤Ç¤¢¤ë¤È¤·¤Æ»È¤ï¤ì¤Þ ¤¹¡£

È¢¤ÎÆâÉô¤Ï¸½ºß¤ÎÅɤê¤Ä¤Ö¤·¥¹¥¿¥¤¥ë (fillstyle) ¤Ë½¾¤Ã¤ÆÅɤé¤ì¤Þ¤¹¡£¾Ü ºÙ¤Ï¡¢°Ê²¼»²¾È: ‘set style fill‘, boxes¡£plot ¥³¥Þ¥ó¥É¾å¤Ç¿·¤·¤¤ÅÉ¤ê ¤Ä¤Ö¤·¥¹¥¿¥¤¥ë¤ò»ØÄꤹ¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£

2.5 candlesticks

candlesticks ¥¹¥¿¥¤¥ë¤Ï¡¢¶âÍ»¥Ç¡¼¥¿¤Î 2 ¼¡¸µ¤Î¥Ç¡¼¥¿ÉÁ²è¡¢¤ª¤è¤ÓÅý·× ¥Ç¡¼¥¿¤Î¤Ò¤²ÉÕ¤­¤ÎËÀ¥°¥é¥Õ¤òÀ¸À®¤¹¤ë¤Î¤Ë»È¤¨¤Þ¤¹¡£ µ­¹æ¤Ï¡¢¿åÊ¿Êý¸þ¤Ë¤Ï x ¤òÃæ¿´¤È¤·¡¢¿âľÊý¸þ¤Ë¤Ï³«»ÏÃÍ (open) ¤È½ªÃÍ (close) ¤ò¶­³¦¤È¤¹¤ëĹÊý·Á¤¬»È¤ï¤ì¤Þ¤¹¡£¤½¤·¤Æ¡¢¤½¤Î x ºÂɸ¤Î¤È¤³¤í¤Ë ĹÊý·Á¤Î¤Æ¤Ã¤Ú¤ó¤«¤éºÇ¹âÃÍ (high) ¤Þ¤Ç¤È¡¢Ä¹Êý·Á¤ÎÄ줫¤éºÇ°ÂÃÍ (low) ¤Þ¤Ç¤Î¿âľÀþ¤¬°ú¤«¤ì¤Þ¤¹¤¬¡¢¤³¤Î¿âľÀþ¤ÏºÇ¹âÃͤȺǰÂÃͤ¬Æþ¤ìÂؤï¤Ã¤Æ¤â Êѹ¹¤µ¤ì¤Þ¤»¤ó¡£

´ðËÜŪ¤Ë 5 Îó¤Î¥Ç¡¼¥¿¤¬É¬ÍפǤ¹:

      ¶âÍ»¥Ç¡¼¥¿:   date  open  low  high  close
      È¢¤Ò¤²ÉÁ²è:   x  box_min  whisker_min  whisker_high  box_high

ĹÊý·Á¤ÎÉý¤Ï¥³¥Þ¥ó¥É boxwidth ¤ÇÀ©¸æ¤Ç¤­¤Þ¤¹¤¬¡¢°ÊÁ°¤Î gnuplot ¤Ø¤Î¸åÊý¸ß´¹À­¤È¤·¤Æ¡¢boxwidth ¥Ñ¥é¥á¡¼¥¿¤¬ÀßÄꤵ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¤Ï ‘set bars <width>‘ ¤ÇÀ©¸æ¤µ¤ì¤ë¤è¤¦¤Ë¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£

¤³¤ì¤ÎÂå¤ï¤ê¤Ë¡¢È¢¤Ò¤² (box-and-whisker) ¤Î¥°¥ë¡¼¥×²½¤Ë´Ø¤¹¤ëÌÀ¼¨Åª¤Ê Éý¤Î»ØÄê¤ò¡¢ÄɲäΠ6 ÈÖÌܤΥǡ¼¥¿¤Ç»ØÄê¤Ç¤­¤Þ¤¹¡£¤½¤ÎÉý¤Ï¡¢x ºÂɸ¤ÈƱ ¤¸Ã±°Ì¤ÇÍ¿¤¨¤Ê¤±¤ì¤Ð¤¤¤±¤Þ¤»¤ó¡£

ÆþÎÏÎó¤òÄɲà (6 ÎóÌÜ¡¢¤Þ¤¿¤Ï 6 ÎóÌܤ¬¥Ç¡¼¥¿¤ÎÉý¤È¤·¤Æ»È¤ì¤ë¾ì¹ç¤Ï 7 Îó ÌÜ) ¤¹¤ë¤È¡¢¤½¤ì¤é¤Ï³Æ¥Ç¡¼¥¿ÅÀËè¤Î variable color ¾ðÊó (°Ê²¼»²¾È: ‘linecolor‘, ‘rgbcolor variable‘) ¤È¤·¤Æ»È¤ï¤ì¤Þ¤¹¡£

¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢±ôľÀþʬ¤Î¤Æ¤Ã¤Ú¤ó¤ÈÄì¤Ë¤Ï¿âľ¤Ë¸ò¤ï¤ë¿åÊ¿Àþ¤Ï°ú¤«¤ì¤Þ ¤»¤ó¡£¤½¤ì¤ò°ú¤­¤¿¤¤¾ì¹ç¡¢Î㤨¤Ðŵ·¿Åª¤ÊÎã¤ÏÈ¢¤Ò¤²¿Þ (box-and-whisker plot) ¤Ç¤Î»ÈÍѤǤ¹¤¬¡¢ÉÁ²è¥³¥Þ¥ó¥É¤Ë¥­¡¼¥ï¡¼¥É ‘whiskerbars‘ ¤òÄɲä· ¤Æ¤¯¤À¤µ¤¤¡£¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢¿åÊ¿Àþ¤ÏÈ¢ (candlestick) ¤Î¿åÊ¿Éý°ìÇդ˰ú ¤«¤ì¤Þ¤¹¤¬¡¢¤½¤ì¤ÏÁ´ÂΤÎÉý¤ËÂФ¹¤ë³ä¹ç¤ò»ØÄꤹ¤ë¤³¤È¤ÇÊѹ¹¤Ç¤­¤Þ¤¹¡£

¶âÍ»¥Ç¡¼¥¿¤ÎÄ̾ï¤Î´·½¬¤Ç¤Ï¡¢(³«»ÏÃÍ) < (½ªÃÍ) ¤Î¾ì¹ç¤ÏĹÊý·Á¤Ï¶õ¤Ç¡¢ (½ªÃÍ) < (³«»ÏÃÍ) ¤Î¾ì¹ç¤ÏÅɤêÄÙ¤µ¤ì¤Þ¤¹¡£¸½ºß¤Î fillstyle ¤Ë "empty" ¤ò¥»¥Ã¥È¤·¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢¼ÂºÝ¤Ë¤³¤¦¤Ê¤ê¤Þ¤¹¡£°Ê²¼»²¾È: ‘fillstyle‘¡£ fillstyle ¤ËÅɤêÄÙ¤·¡¢¤Þ¤¿¤Ï¥Ñ¥¿¡¼¥ó¤ò¥»¥Ã¥È¤·¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢³«»ÏÃÍ¡¢½ª Ãͤ˴ط¸¤Ê¤¯¡¢¤¹¤Ù¤Æ¤ÎÈ¢¤Ë¤½¤ì¤¬»È¤ï¤ì¤Þ¤¹¡£°Ê²¼»²¾È: bars, financebars¡£¤Þ¤¿¡¢°Ê²¼¤â»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£ candlestick ¤È finance ¤Î¥Ç¥â¡£

Ãí°Õ: Ãæ±ûÃͤòɽ¤¹¤¿¤á¤Îµ­¹æ¤Ê¤É¤òÄɲä·¤¿¤¤¾ì¹ç¡¢°Ê²¼¤ÎÎã¤Î¤è¤¦¤Ë¡¢¤Ò ¤²ÉÕ¤­¤ÎËÀ¥°¥é¥Õ¤Ë¾¤ÎÉÁ²è¥³¥Þ¥ó¥É¤òÄɲ乤ëɬÍפ¬¤¢¤ê¤Þ¤¹:

  # ¥Ç¡¼¥¿Îó:  X 'ºÇ¾®ÃÍ' '1/4 °Ì¤ÎÃÍ' 'Ãæ±ûÃÍ' '3/4 °Ì¤ÎÃÍ' 'ºÇÂçÃÍ'
  set bars 4.0
  set style fill empty
  plot 'stat.dat' using 1:3:2:6:5 with candlesticks title 'Quartiles', \
       ''         using 1:4:4:4:4 with candlesticks lt -1 notitle

  # ¤Ò¤²¤Î¾å¤Ë¿åÊ¿Àþ¤òȼ¤¦ÉÁ²è¤Ç¡¢¿åÊ¿Àþ¤ÎÉý¤òÁ´ÂÎÉý¤Î 50% ¤Ë¤¹¤ë
  plot 'stat.dat' using 1:3:2:6:5 with candlesticks whiskerbars 0.5

°Ê²¼»²¾È: boxwidth, bars, ‘set style fill‘, boxplot¡£

2.6 circles

¥¹¥¿¥¤¥ë circles ¤Ï¡¢³Æ¥Ç¡¼¥¿ÅÀ¤ËÌÀ¼¨¤µ¤ì¤¿È¾·Â¤Î±ß¤òÉÁ²è¤·¤Þ¤¹¡£3 Îó¤Î¥Ç¡¼¥¿¤òÍ¿¤¨¤¿¾ì¹ç¤Ï¡¢¤½¤ì¤ò x, y, Ⱦ·Â¤È²ò¼á¤·¤Þ¤¹¡£È¾·Â¤Ï¡¢¾ï¤Ë ÉÁ²è¤Î¿åÊ¿¼´ (x ¤Þ¤¿¤Ï x2) ¤Îñ°Ì¤Ç²ò¼á¤µ¤ì¤Þ¤¹¡£y Êý¸þ¤Î½Ì¼Ü¤ÈÉÁ²è¤Î ¥¢¥¹¥Ú¥¯¥ÈÈæ¤Ï¡¢¤¤¤º¤ì¤â̵»ë¤µ¤ì¤Þ¤¹¡£2 Îó¤Î¥Ç¡¼¥¿¤·¤«Í¿¤¨¤Ê¤¤¤È¡¢È¾·Â ¤Ï ‘set style circle‘ ¤«¤é¼è¤ê¤Þ¤¹¡£¤³¤Î¾ì¹ç¡¢È¾·Â¤Ï graph ¤« screen ¤ÎºÂɸ·Ï¤ÇÍ¿¤¨¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï´°Á´¤Ê±ß¤òÉÁ²è¤·¤Þ¤¹¤¬¡¢ 4 ÎóÌÜ¡¢5 ÎóÌܤ˳«»Ï³Ñ¡¢½ªÎ»³Ñ¤ò»ØÄꤹ¤ë¤³¤È¤ÇÀð·Á¤òÉÁ²è¤¹¤ë¤³¤È¤â¤Ç¤­ ¤Þ¤¹¡£4 ÎóÌÜ¡¢¤¢¤ë¤¤¤Ï 6 ÎóÌܤΥǡ¼¥¿¤òÄɲä·¤ÆÉôʬ±ß¤Î¿§¤ò»ØÄꤹ¤ë¤³ ¤È¤â¤Ç¤­¤Þ¤¹¡£Àð·Á¤Î³«»Ï³Ñ¡¢½ªÎ»³Ñ¤Îñ°Ì¤ÏÅ٤ǻØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£

Îã:

    # ÌÌÀѤ¬ 3 ÎóÌܤÎÃͤËÈæÎ㤹¤ë¤è¤¦¤Ê±ß¤òÉÁ²è
    set style fill transparent solid 0.2 noborder
    plot 'data' using 1:2:(sqrt($3)) with circles, \
         'data' using 1:2 with linespoints

    # ±ß¤ÎÂå¤ï¤ê¤Ë¥Ñ¥Ã¥¯¥Þ¥ó¤òÉÁ²è
    plot 'data' using 1:2:(10):(40):(320) with circles

    # ¥¤¥ó¥é¥ó¥Ç¡¼¥¿¤Ç±ß¥°¥é¥Õ¤òÉÁ²è
    set xrange [-15:15]
    set style fill transparent solid 0.9 noborder
    plot '-' using 1:2:3:4:5:6 with circles lc var
    0    0    5    0    30    1
    0    0    5   30    70    2
    0    0    5   70   120    3
    0    0    5  120   230    4
    0    0    5  230   360    5
    e

¤³¤ì¤Ï¡¢pointstyle 7 ¤ÇÅÀ¤Î¥µ¥¤¥º¤ò variable ¤È¤·¤¿ ‘points‘ ¤Ë¤è¤ëÉÁ ²è¤È»÷¤Æ¤¤¤Þ¤¹¤¬¡¢circles ¤Ï x ¼´¤ÎÈϰϤǿ­½Ì¤µ¤ì¤ëÅÀ¤¬°Û¤Ê¤ê¤Þ¤¹¡£°Ê ²¼¤â»²¾È: ‘set object circle‘, ‘fillstyle‘¡£

2.7 ellipses

¥¹¥¿¥¤¥ë ellipses ¤Ï¡¢³Æ¥Ç¡¼¥¿ÅÀ¤ËÂ汧 (ellipse) ¤òÉÁ²è¤·¤Þ¤¹¡£¤³¤Î ¥¹¥¿¥¤¥ë¤Ï¡¢2 ¼¡¸µÉÁ²è¤Ë¤Î¤ßŬÍѤµ¤ì¤Þ¤¹¡£³ÆÂʱߤϡ¢Ãæ¿´¡¢¼ç¼´Ä¾·Â¡¢Éû ¼´Ä¾·Â¡¢x ¼´¤È¼ç¼´¤Î¤Ê¤¹³Ñ¡¢¤Çɽ¸½¤µ¤ì¤Þ¤¹¡£

     2 Îó: x y
     3 Îó: x y major_diam
     4 Îó: x y major_diam minor_diam
     5 Îó: x y major_diam minor_diam angle

2 Îó¤Î¥Ç¡¼¥¿¤Î¤ß¤¬Í¿¤¨¤é¤ì¤¿¾ì¹ç¤Ï¡¢¤½¤ì¤é¤ÏÃæ¿´¤ÎºÂɸ¤È¤ß¤Ê¤µ¤ì¡¢Â汧 ¤Ï¥Ç¥Õ¥©¥ë¥È¤ÎÂ礭¤µ¤ÇÉÁ²è¤µ¤ì¤Þ¤¹ (°Ê²¼»²¾È: ‘set style ellipse‘)¡£ÂÊ ±ß¤Î¸þ¤­¤Ï¡¢¼ç¼´¤È x ¼´¤Î¤Ê¤¹³Ñ¤ÇÄêµÁ¤µ¤ì¤Þ¤¹¤¬¡¢¤½¤ì¤â¥Ç¥Õ¥©¥ë¥È¤Î ellipse ¤Î¥¹¥¿¥¤¥ë¤«¤é¼è¤é¤ì¤Þ¤¹ (°Ê²¼»²¾È: ‘set style ellipse‘)¡£ 3 Îó¤Î¥Ç¡¼¥¿¤¬Í¿¤¨¤é¤ì¤¿¾ì¹ç¤Ï¡¢3 ÎóÌܤϼ硢Éûξ¼´¤Îľ·Â (Éý) ¤È¤·¤Æ»È ¤ï¤ì¤Þ¤¹¡£¸þ¤­¤Ï¥Ç¥Õ¥©¥ë¥È¤Ç 0 ¤Ë¤Ê¤ê¤Þ¤¹¡£ 4 Îó¤Î¥Ç¡¼¥¿¤¬Í¿¤¨¤é¤ì¤¿¾ì¹ç¤Ï¡¢¤½¤ì¤é¤ÏÃæ¿´¤ÎºÂɸ¡¢¼ç¼´Ä¾·Â (Éý)¡¢Éû ¼´Ä¾·Â¤È¤·¤Æ»È¤ï¤ï¤ì¤Þ¤¹¡£¤³¤ì¤é¤Ïľ·Â¤Ç¤¢¤ê¡¢È¾·Â¤Ç¤Ê¤¤¤³¤È¤ËÃí°Õ¤·¤Æ ¤¯¤À¤µ¤¤¡£ 5 Îó¤Î¥Ç¡¼¥¿¤¬Í¿¤¨¤é¤ì¤¿¾ì¹ç¤Ï¡¢5 ÎóÌܤÎÃͤÏÅÙñ°Ì¤Î¸þ¤­¤Î³ÑÅ٤λØÄê¤È ¤·¤Æ»È¤ï¤ì¤Þ¤¹¡£ Âʱߤϡ¢3,4,5 Îó¤ÎÃͤÏÉé¤ÎÃͤȤ·¤Æ»ØÄꤹ¤ë¤³¤È¤Ç¡¢¤½¤ì¤é¤Î¥Ç¥Õ¥©¥ë¥È¤Î ÃͤòÍøÍѤ·¤ÆÂʱߤò½ñ¤«¤»¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£

¾å¤Î¤¹¤Ù¤Æ¤Î¾ì¹ç¤Ç¡¢variable color ¥Ç¡¼¥¿¤òºÇ¸å¤ÎÎó (3,4,5,6 ÎóÌÜ) ¤È ¤·¤ÆÄɲäǤ­¤Þ¤¹¡£¾ÜºÙ¤Ï°Ê²¼»²¾È: ‘colorspec‘¡£

¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢¼ç¼´Ä¾·Â¤Ï¿åÊ¿¼´ (x ¤Þ¤¿¤Ï x2) ¤Îñ°Ì¡¢Éû¼´Ä¾·Â¤Ï¿âľ ¼´ (y ¤Þ¤¿¤Ï y2) ¤Îñ°Ì¤Ç¤¢¤ë¤È¤ß¤Ê¤µ¤ì¤Þ¤¹¡£¤³¤ì¤Ï¡¢x ¼´¤È y ¼´¤Î½Ì¼Ü ¤¬°Û¤Ê¤ë¾ì¹ç¡¢¼ç¼´¤ÈÉû¼´¤ÎÈæ¤Ï²óž¸å¤Ë¤ÏÀµ¤·¤¯¤Ï¤Ê¤é¤Ê¤¤¡¢¤È¤¤¤¦¤³¤È¤ò °ÕÌ£¤·¤Æ¤¤¤Þ¤¹¡£¤·¤«¤·¤³¤ÎµóÆ°¤Ï¡¢¥­¡¼¥ï¡¼¥É ‘units‘ ¤ÇÊѹ¹¤Ç¤­¤Þ¤¹¡£

¤³¤ì¤Ë´Ø¤·¤Æ¤Ï¡¢3 ¼ïÎà¤ÎÂåÍÑÉʤ¬¤¢¤ê¤Þ¤¹: ‘units xy‘ ¤¬ÉÁ²è»ØÄê¤Ë´Þ¤Þ¤ì¤Æ¤¤¤ë¾ì¹ç¡¢¤½¤Î¼´¤Ï¾å¤Ë½Ò¤Ù¤¿¤è¤¦¤Ë½Ì¼Ü ¤µ¤ì¤Þ¤¹¡£‘units xx‘ ¤È¤¹¤ë¤È¡¢Ä¾·Â¤Ïξ¼´¤È¤â x ¼´¤Îñ°Ì¤Ç·×»»¤µ¤ì¡¢ ‘units yy‘ ¤Ïξ¼´¤È¤â y ¼´¤Îñ°Ì¤Ç·×»»¤µ¤ì¤Þ¤¹¡£¸å¤Î 2 ¤Ä¤Ï¡¢ÉÁ²è¤Î¥µ ¥¤¥º¤òÊѹ¹¤·¤Æ¤â¡¢ÂʱߤÏÀµ¤·¤¤¥¢¥¹¥Ú¥¯¥ÈÈæ¤ò»ý¤Á¤Þ¤¹¡£

‘units‘ ¤ò¾Êά¤·¤¿¾ì¹ç¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤ÎÀßÄ꤬»ÈÍѤµ¤ì¡¢‘units xy‘ ¤È¤Ê ¤ê¤Þ¤¹¤¬¡¢¤³¤ì¤Ï¡¢‘set style ellipse‘ ¤ÇºÆÄêµÁ²Äǽ¤Ç¤¹¡£

Îã (ÂʱߤòÍ­¸ú¤ÊÀþ¼ï¤ò¼þ´üŪ¤Ë»ÈÍѤ·¤ÆÉÁ²è):

    plot 'data' using 1:2:3:4:(0):0 with ellipses

°Ê²¼¤â»²¾È: ‘set object ellipse‘, ‘set style ellipse‘, ‘fillstyle‘¡£

2.8 dots

dots ¥¹¥¿¥¤¥ë¤Ï³ÆÅÀ¤Ë¾®¤µ¤Ê¥É¥Ã¥È¤òÉÁ²è¤·¤Þ¤¹¡£¤³¤ì¤Ï¤¿¤¯¤µ¤ó¤ÎÅÀ¤« ¤é¤Ê¤ë»¶ÉÛ¿Þ¤ÎÉÁ²è¤ËÊØÍø¤Ç¤·¤ç¤¦¡£2 ¼¡¸µÉÁ²è¤Ç¤Ï 1 Î󡢤ޤ¿¤Ï 2 Îó¤ÎÆþ Îϥǡ¼¥¿¤¬¡¢3 ¼¡¸µÉÁ²è¤Ç¤Ï 3 Îó¤Î¥Ç¡¼¥¿¤¬É¬ÍפǤ¹¡£

½ÐÎÏ·Á¼°¤Ë¤è¤Ã¤Æ¤Ï (post, pdf ¤Ê¤É)¡¢¥É¥Ã¥È¤ÎÂ礭¤µ¤Ï linewidth ¤òÊѹ¹ ¤¹¤ë¤³¤È¤ÇÀ©¸æ¤Ç¤­¤ë¤³¤È¤â¤¢¤ê¤Þ¤¹¡£

     1 Îó:  y         # x ¤Ï¹ÔÈÖ¹æ
     2 Îó:  x  y
     3 Îó:  x  y  z   # 3D ¤Î¤ß (splot)

2.9 filledcurves

¥¹¥¿¥¤¥ë filledcurves ¤Ï 2 ¼¡¸µÉÁ²è¤Ç¤Î¤ßÍøÍѲÄǽ¤Ç¤¹¡£¤³¤ì¤Ï 3 ¼ïÎà ¤Î°Û¤Ê¤ë»ØÄ꤬²Äǽ¤Ç¤¹¡£ºÇ½é¤Î 2 ¼ïÎà¤Ï´Ø¿ôÉÁ²è¡¢¤¢¤ë¤¤¤Ï 2 Îó¤ÎÆþÎ촂 ¡¼¥¿ÍѤΤâ¤Î¤Ç¡¢¸å¤Ç¾Ò²ð¤¹¤ë¤è¤¦¤Ë¥ª¥×¥·¥ç¥ó¤Ç¹¹¤Ê¤ë»ØÄ꤬¤Ç¤­¤Þ¤¹¡£

½ñ¼°:

    plot ... with filledcurves [option]

¤³¤³¤Ç¡¢¥ª¥×¥·¥ç¥ó¤Ï°Ê²¼¤Î¤¦¤Á¤Î¤¤¤º¤ì¤«¤Ç¤¹:

    [closed | {above | below}
    {x1 | x2 | y1 | y2 | r}[=<a>] | xy=<x>,<y>]

ºÇ½é¤Î¤â¤Î¤Ï ‘closed‘ ¤Ç¡¢¤³¤ì¤Ï¶ÊÀþ¤½¤ì¼«¿È¤òÊÄ¿³Ñ·Á¤È¸«¤Ê¤·¤Þ¤¹¡£Æþ Îϥǡ¼¥¿¤¬ 2 Îó¤Î¾ì¹ç¤Ë¤Ï¤³¤ì¤¬¥Ç¥Õ¥©¥ë¥È¤Ç¤¹¡£

2 ¼ïÎàÌܤϻØÄꤵ¤ì¤¿¼´¡¢¤¢¤ë¤¤¤Ï¿åÊ¿Àþ¡¢¿âľÀþ¡¢Í¿¤¨¤é¤ì¤¿ÅÀ¤Ê¤É¤È¡¢¶Ê Àþ¤È¤Î´Ö¤Ëºî¤é¤ì¤ëÎΰè¤òÅɤê¤Ä¤Ö¤·¤Þ¤¹¡£

    filledcurves closed   ... ÃúÅÙÊĶÊÀþ¤Ç°Ï¤Þ¤ì¤ëÎΰè
    filledcurves x1       ... x1 ¼´
    filledcurves x2       ... x2 ¼´ (y1, y2 ¼´¤âƱÍÍ)
    filledcurves y1=0     ... (y1 ¼´¤Ç¤Î) ľÀþ y=0 i.e. x1 ¼´¤ÈÊ¿¹Ô
    filledcurves y2=42    ... (y2 ¼´¤Ç¤Î) ľÀþ y=42 i.e. x2 ¼´¤ÈÊ¿¹Ô
    filledcurves xy=10,20 ... x1,y1 ¼´¤Ç¤ÎÅÀ 10,20 (À𷿤Τ褦¤Ê·Á¾õ)
    filledcurves above r=1.5  ¶ËºÂɸ¤Ç¤ÎÆ°·Â¼´¤Î 1.5 ¤Î³°Â¦¤ÎÎΰè

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     3 Îó:  x  y1  y2

ÆþÎϤµ¤ì¤¿ 2 ¤Ä¤Î¶ÊÀþ¤Î´Ö¤ÎÎΰè¤ÎÅɤê¤Ä¤Ö¤·¤ÎÎã: ¶ÊÀþ´Ö¤ÎÅɤê¤Ä¤Ö¤·¥Ç¥â¡£

    plot 'data' using 1:2:3 with filledcurves

‘above‘ ¤È ‘below‘ ¥ª¥×¥·¥ç¥ó¤Ï

    ... filledcurves above {x1|x2|y1|y2|r}=<val>

¤ª¤è¤Ó

    ... using 1:2:3 with filledcurves below

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¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤«¤éÉÁ¤«¤ì¤¿¶ÊÀþ¤ÎÅɤê¤Ä¤Ö¤·¤ò³ÈÂ礹¤ë¤È¡¢²¿¤â¤Ê¤¯¤Ê¤Ã¤¿ ¤êÀµ¤·¤¯¤Ê¤¤Îΰè¤Ë¤Ê¤ë¤³¤È¤¬¤¢¤ê¤Þ¤¹¤¬¡¢¤½¤ì¤Ï gnuplot ¤¬¡¢Îΰè¤Ç¤Ï¤Ê ¤¯ÅÀ¤äÀþ¤ò¥¯¥ê¥Ã¥Ô¥ó¥°¤·¤Æ¤¤¤ë¤«¤é¤Ç¤¹¡£

<a>, <x>, <y> ¤¬ÉÁ²èÎΰè¤Î³°¤Ë¤¢¤ë¾ì¹ç¡¢¤½¤ì¤é¤Ï¥°¥é¥Õ¤Î¶­³¦¤Ø°ÜÆ°¤µ¤ì ¤Þ¤¹¡£¤è¤Ã¤Æ¡¢¥ª¥×¥·¥ç¥ó xy=<x>,<y> ¤ò»ØÄꤷ¤¿¾ì¹ç¤Î¼ÂºÝ¤ÎÅɤê¤Ä¤Ö¤·ÎÎ °è¤Ï¡¢xrange ¤ä yrange ¤Ë°Í¸¤·¤Þ¤¹¡£

2.10 financebars

financebars ¥¹¥¿¥¤¥ë¤Ï¶âÍ»¥Ç¡¼¥¿¤Î 2 ¼¡¸µ¤Î¥Ç¡¼¥¿ÉÁ²è¤Ç¤Î¤ßÍøÍѲÄǽ ¤Ç¤¹¡£¤³¤ì¤Ï¡¢x ºÂɸ 1 ¤Ä (Ä̾ïÆüÉÕ) ¤È¡¢4 ¤Ä¤Î y ºÂɸ (¶â³Û) ¤òɬÍ×¤È ¤·¤Þ¤¹¡£

     5 Îó:   date  open  low  high  close

ÆþÎÏÎó¤òÄɲà (6 ÎóÌÜ) ¤¹¤ë¤È¡¢¤½¤ì¤é¤Ï³Æ¹ÔËè¤Î variable color ¾ðÊó (°Ê ²¼»²¾È: ‘linecolor‘, ‘rgbcolor variable‘) ¤È¤·¤Æ»È¤ï¤ì¤Þ¤¹¡£

µ­¹æ¤Ï¡¢¿åÊ¿Êý¸þ¤Ë¤Ï¤½¤Î x ºÂɸ¤ËÃÖ¤«¤ì¡¢¿âľÊý¸þ¤Ë¤ÏºÇ¹âÃÍ (high) ¤È ºÇ°ÂÃÍ (low) ¤òü¤È¤¹¤ëÀþʬ¤¬»È¤ï¤ì¤Þ¤¹¡£¤½¤·¤Æ¡¢¤½¤ÎÀþʬ¤Ë¿åÊ¿º¸Â¦¤Î ¹ï¤ß¤¬³«»ÏÃÍ (open) ¤Î½ê¤Ë¡¢¿åÊ¿±¦Â¦¤Î¹ï¤ß¤¬½ª¤êÃÍ (close) ¤Î½ê¤Ë¤Ä¤­ ¤Þ¤¹¡£¤½¤Î¹ï¤ß¤ÎŤµ¤Ï bars ¤ÇÊѹ¹¤Ç¤­¤Þ¤¹¡£µ­¹æ¤ÏºÇ¹âÃͤȺǰÂÃÍ ¤¬Æþ¤ìÂؤï¤Ã¤Æ¤âÊѤï¤ê¤Þ¤»¤ó¡£°Ê²¼»²¾È: bars, candlesticks¡£°Ê ²¼¤â»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£ ¶âÍ»¥Ç¡¼¥¿¥Ç¥â¡£

2.11 fsteps

fsteps ¥¹¥¿¥¤¥ë¤Ï 2 ¼¡¸µÉÁ²è¤Ç¤Î¤ßÍøÍѲÄǽ¤Ç¤¹¡£¤³¤ì¤Ï 2 ËܤÎÀþʬ¤Ç ÎÙ¤ê¹ç¤¦ÅÀ¤ò¤Ä¤Ê¤®¤Þ¤¹: 1 ËÜÌÜ¤Ï (x1,y1) ¤«¤é (x1,y2) ¤Þ¤Ç¡¢2 ËÜÌÜ¤Ï (x1,y2) ¤«¤é (x2,y2) ¤Þ¤Ç¡£ÆþÎÏÎó¤Î¾ò·ï¤Ï¡¢‘lines‘ ¤ä ‘points‘ ¤ËÂФ¹ ¤ë¤â¤Î¤ÈƱ¤¸¤Ç¤¹¡£fsteps ¤È steps ¤Î°ã¤¤¤Ï¡¢fsteps ¤Ï¡¢ÀÞ¤ìÀþ¤ò Àè¤Ë y Êý¸þ¤Ë½ñ¤¤¤Æ¤«¤é¼¡¤Ë x Êý¸þ¤Ë½ñ¤¯¤Î¤ËÂФ·¡¢steps ¤ÏÀè¤Ë x Êý ¸þ¤Ë½ñ¤¤¤Æ¤«¤é¼¡¤Ë y Êý¸þ¤Ë½ñ¤­¤Þ¤¹¡£

°Ê²¼¤â»²¾È steps ¥Ç¥â¡£

2.12 fillsteps

fillsteps ¥¹¥¿¥¤¥ë¤Ï¡¢steps ¤È¤Û¤ÜƱ¤¸¤Ç¤¹¤¬¡¢¶ÊÀþ¤È y=0 ¤È¤Î´Ö¤Î Îΰè¤ò¸½ºß¤Î fillstyle ¤ÇÅɤêÄÙ¤·¤Þ¤¹¡£°Ê²¼»²¾È: steps¡£

2.13 histeps

histeps ¥¹¥¿¥¤¥ë¤Ï 2 ¼¡¸µÉÁ²è¤Ç¤Î¤ßÍøÍѲÄǽ¤Ç¤¹¡£¤³¤ì¤Ï¥Ò¥¹¥È¥°¥é¥à ¤ÎÉÁ²è¤Ç¤ÎÍøÍѤò°Õ¿Þ¤·¤Æ¤¤¤Þ¤¹¡£y ¤ÎÃͤϡ¢x ¤ÎÃͤòÃæ¿´¤ËÃÖ¤¯¤È¹Í¤¨¡¢ x1 ¤Ç¤ÎÅÀ¤Ï ((x0+x1)/2,y1) ¤«¤é ((x1+x2)/2,y1) ¤Þ¤Ç¤Î¿åÊ¿Àþ¤È¤·¤Æɽ¸½ ¤µ¤ì¤Þ¤¹¡£Ã¼¤ÎÅÀ¤Ç¤Ï¡¢¤½¤ÎÀþ¤Ï¤½¤Î x ºÂɸ¤¬Ãæ¿´¤Ë¤Ê¤ë¤è¤¦¤Ë±äŤµ¤ì¤Þ ¤¹¡£ÎÙ¤ê¹ç¤¦ÅÀƱ»Î¤Î¿åÊ¿Àþ¤Îü¤Ï¡¢¤½¤Îξ¼Ô¤ÎÊ¿¶ÑÃͤΤȤ³¤í¤Ç¤Î±ôľÀþ¡¢ ¤¹¤Ê¤ï¤Á ((x1+x2)/2,y1) ¤«¤é ((x1+x2)/2,y2) ¤ÎÀþʬ¤Ç·ë¤Ð¤ì¤Þ¤¹¡£ ÆþÎÏÎó¤Î¾ò·ï¤Ï¡¢‘lines‘ ¤ä ‘points‘ ¤ËÂФ¹¤ë¤â¤Î¤ÈƱ¤¸¤Ç¤¹¡£

autoscale ¤¬Í­¸ú¤Ç¤¢¤ë¾ì¹ç¡¢x ¤ÎÈϰϤϡ¢¤½¤Î±äŤµ¤ì¤¿¿åÊ¿Àþ¤ÎÈÏ°Ï¤Ç ¤Ï¤Ê¤¯¡¢¥Ç¡¼¥¿ÅÀ¤ÎÈϰϤ¬ÁªÂò¤µ¤ì¤Þ¤¹¡£¤è¤Ã¤Æ¡¢Ã¼¤ÎÅÀ¤Ë´Ø¤·¤Æ¤Ï¤½¤Î¿åÊ¿ Àþ¤ÏȾʬ¤·¤«ÉÁ¤«¤ì¤Ê¤¤¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£ °Ê²¼¤â»²¾È steps ¥Ç¥â¡£

histeps ¤Ïñ¤Ê¤ëÉÁ²è¥¹¥¿¥¤¥ë¤Ë¤¹¤®¤º¡¢‘gnuplot‘ ¤Ë¤Ï¡¢¥Ò¥¹¥È¥°¥é¥à¤Î È¢¤òÀ¸À®¤¹¤ëǽÎϤ䡢¥Ç¡¼¥¿½¸¹ç¤«¤éÊ콸ÃĤò·èÄꤹ¤ëǽÎϤʤɤϤ¢¤ê¤Þ¤»¤ó¡£

2.14 histograms

¥¹¥¿¥¤¥ë histograms ¤Ï 2 ¼¡¸µÉÁ²è¤Ç¤Î¤ßÍ­¸ú¤Ç¤¹¡£¤³¤ì¤Ï¡¢¥Ç¡¼¥¿¤Î³Æ Îó¤ÎʤӤ«¤éÊ¿¹Ô¤ÊËÀ¥°¥é¥Õ¤òºî¤ê¤Þ¤¹¡£plot ¥³¥Þ¥ó¥É¤Î³ÆÍ×ÁǤϡ¢¤½¤ì ¤Ë´Ø¤¹¤ëÌÜÀ¹¤ê¤ÎÃͤäÀâÌÀ¤Î¥¿¥¤¥È¥ë¤¬ÉÕ°¤¹¤ë¤«¤âÃΤì¤Þ¤»¤ó¤¬¡¢Ã±°ì¤Î ÆþÎϥǡ¼¥¿¤ò»ØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹ (Î㤨¤ÐÆþÎÏ¥Õ¥¡¥¤¥ë¤Î 1 ¤Ä¤ÎÎó)¡£¸½ ºß¤Ï¡¢4 ¼ïÎà¤Î¥Ò¥¹¥È¥°¥é¥à·Á¼°¤Î¥¹¥¿¥¤¥ë¤¬¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤Þ¤¹¡£

      set style histogram clustered {gap <gapsize>}
      set style histogram errorbars {gap <gapsize>} {<linewidth>}
      set style histogram rowstacked
      set style histogram columnstacked

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errorbars ¥¹¥¿¥¤¥ë ¤Ï¡¢³Æ¥¨¥ó¥È¥ê¤ËÂФ·¤ÆÄɲäÎÆþÎÏÎó¤òɬÍפȤ¹¤ë°Ê ³°¤Ï ‘clustered‘ ¥¹¥¿¥¤¥ë¤Ë¤È¤Æ¤âÎɤ¯»÷¤Æ¤¤¤Þ¤¹¡£ºÇ½é¤ÎÎó¤Ï¡¢ ‘clustered‘ ¥¹¥¿¥¤¥ë¤Î¾ì¹ç¤ÈÁ´¤¯Æ±ÍͤËÈ¢¤Î¹â¤µ (y ¤ÎÃÍ) ¤È¤·¤ÆÊÝ»ý¤µ¤ì ¤Þ¤¹¡£

     2 Îó:       y yerr          # Àþ¤Ï y-yerr ¤«¤é y+err ¤Ø¿­¤Ó¤ë
     3 Îó:       y ymin yman     # Àþ¤Ï ymin ¤«¤é ymax ¤Ø¿­¤Ó¤ë

¸íº¹Àþ¤Î¸«¤¿Ìܤϡ¢¸½ºß¤Î bars ¤ÎÃÍ¤È <linewidth> ¥ª¥×¥·¥ç¥ó»ØÄê ¤ÇÀ©¸æ¤Ç¤­¤Þ¤¹¡£

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      set boxwidth 0.9 relative
      set style data histograms
      set style histogram cluster
      set style fill solid 1.0 border lt -1
      plot for [COL=2:4:2] 'file.dat' using COL

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      plot for [COL=2:4:2] 'file.dat' using COL:xticlabels(1)

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      set bars fullwidth
      set style fill solid 1 border lt -1
      set style histogram errorbars gap 2 lw 2
      plot for [COL=2:4:2] 'file.dat' using COL:COL+1

Ʊ¤¸¥Ç¡¼¥¿¤ò¹ÔËè¤ÎÀѤ߾夲·¿ (rowstacked) ¤Î¥Ò¥¹¥È¥°¥é¥à¤ÇÉÁ²è¤¹¤ë¾ì¹ç¡¢ ¤³¤ì¤Þ¤Ç¤È¤Ï°ã¤¤¡¢°Ê²¼¤ÎÎã¤Ç¤Ï·«¤êÊÖ¤·¤ò»È¤¦¤Î¤Ç¤Ê¤¯¡¢ÌÀ¼¨Åª¤ËÊÌ¡¹¤ÎÎó ¤ò»ØÄꤷ¤Þ¤¹¡£

      set style histogram rowstacked
      plot 'file.dat' using 2, '' using 4:xtic(1)

¤³¤ì¤Ï¡¢°ì¤Ä°ì¤Ä¤Î±ôľ¤ÊËÀ¤¬¡¢¥Ç¡¼¥¿¤Î°ì¤Ä¤ÎÎó¤ËÂбþ¤¹¤ëÉÁ²è¤òÀ¸À®¤·¤Þ ¤¹¡£³ÆËÀ¤Ï¡¢2 ¤Ä¤ÎÉôʬ¤ÎÀѤ߾夲¤Î·Á¤Ç¤¢¤ê¡¢¤½¤ì¤¾¤ì¤ÎÉôʬ¤Î¹â¤µ¤¬¡¢¥Ç ¡¼¥¿¥Õ¥¡¥¤¥ë¤Î 2 ÎóÌÜ¤È 4 ÎóÌܤÎÃͤËÂбþ¤·¤Þ¤¹¡£

ºÇ¸å¤Ë°Ê²¼¤Î¥³¥Þ¥ó¥É

      set style histogram columnstacked
      plot 'file.dat' using 2, '' using 4

¤Ï¡¢°ì¤Ä°ì¤Ä¤¬¤½¤ì¤¾¤ì¥Ç¡¼¥¿Îó¤ËÂбþ¤¹¤ë¡¢2 ¤Ä¤Î±ôľ¤ÊÀѤ߽ŤͤÎËÀ¤òÀ¸ À®¤·¤Þ¤¹¡£x=1 ¤Ë¤¢¤ëËÀ¤Ï¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î 2 ÎóÌܤγƹԤÎÃͤËÂбþ¤¹¤ë È¢¤«¤é¤Ê¤ê¤Þ¤¹¡£x=2 ¤Ë¤¢¤ëËÀ¤Ï¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î 4 ÎóÌܤγƹԤÎÃͤËÂÐ ±þ¤¹¤ëÈ¢¤«¤é¤Ê¤ê¤Þ¤¹¡£¤³¤ì¤Ï¡¢gnuplot ¤ÎÄ̾ï¤ÎÆþÎϤνġ¢²£¤Î²ò¼á¤òÆþ¤ì ´¹¤¨¤ë¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¤Î¤Ç¡¢key ¥¿¥¤¥È¥ë¤ä x ¼´¤ÎÌÜÀ¹¤ê¤Î¸«½Ð¤·¤Î»ØÄê¤â Êѹ¹¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£°Ê²¼¤Î¥³¥á¥ó¥ÈÉôʬ¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£

      set style histogram columnstacked
      plot '' u 5:key(1)            # 1 ÎóÌܤò key ¥¿¥¤¥È¥ë¤Ë»ÈÍÑ
      plot '' u 5 title columnhead  #

¤³¤Î 2 ¤Ä¤ÎÎã¤Ï¡¢Á´¤¯Æ±¤¸¥Ç¡¼¥¿ÃͤòÍ¿¤¨¤Æ¤¤¤ë¤Î¤Ç¤¹¤¬¡¢°Û¤Ê¤ë½ñ¼°¤Ç¤¢ ¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£

2.14.1 newhistogram

½ñ¼°:

     newhistogram {"<title>"} {lt <linetype>} {fs <fillstyle>} {at <x-coord>}

°ì²ó¤ÎÉÁ²è¤Ë 2 ¤Ä°Ê¾å¤Î¥Ò¥¹¥È¥°¥é¥à¤ÎÁȤòºî¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£¤³¤Î¾ì¹ç ¥³¥Þ¥ó¥É newhistogram ¤ò»È¤¦¤³¤È¤Ç¡¢¤½¤ì¤é¤ò¶¯À©Åª¤ËʬΥ¤·¡¢¤Þ¤¿¤½¤ì ¤¾¤ì¤Î¥é¥Ù¥ë¤òʬΥ¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ Îã:

      set style histogram  cluster
      plot newhistogram "Set A", 'a' using 1, '' using 2, '' using 3, \
           newhistogram "Set B", 'b' using 1, '' using 2, '' using 3

¥é¥Ù¥ë "Set A" ¤È "Set B" ¤Ï¡¢¤½¤ì¤¾¤ì¤Î¥Ò¥¹¥È¥°¥é¥à¤ÎÁȤβ¼¡¢x ¼´¤ÎÁ´ ¤Æ¤Î¥é¥Ù¥ë¤Î²¼¤Î°ÌÃ֤˸½¤ï¤ì¤Þ¤¹¡£

¥³¥Þ¥ó¥É newhistogram ¤Ï¡¢¥Ò¥¹¥È¥°¥é¥à¤Î¿§ÉÕ¤±¤ò¶¯À©Åª¤Ë»ØÄꤷ¤¿¿§ (linetype) ¤Ç»Ï¤á¤ë¤Î¤Ë¤â»È¤¨¤Þ¤¹¡£¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢¿§¤ÎÈÖ¹æ¤Ï¥Ò¥¹¥È¥° ¥é¥à¤Î¶­³¦¤ò¤Þ¤¿¤¤¤Ç¤µ¤¨¤âϢ³Ū¤ËÁý²Ã¤·Â³¤±¤Þ¤¹¡£¼¡¤ÎÎã¤Ï¡¢Ê£¿ô¤Î¥Ò¥¹ ¥È¥°¥é¥à¤ËƱ¤¸¿§ÉÕ¤±¤ò»Ü¤·¤Þ¤¹¡£

      plot newhistogram "Set A" lt 4, 'a' using 1, '' using 2, '' using 3, \
           newhistogram "Set B" lt 4, 'b' using 1, '' using 2, '' using 3

ƱÍͤˡ¢¼¡¤Î¥Ò¥¹¥È¥°¥é¥à¤ò»ØÄꤷ¤¿ fillstyle ¤Ç»Ï¤á¤µ¤»¤ë¤³¤È¤¬²Äǽ¤Ç ¤¹¡£¤½¤Î fillstyle ¤ò ‘pattern‘ ¤Ë¥»¥Ã¥È¤·¤¿¾ì¹ç¡¢ÅɤêÄÙ¤·¤Ë»ÈÍѤµ¤ì¤ë ¥Ñ¥¿¡¼¥óÈÖ¹æ¤Ï¼«Æ°Åª¤ËÁý²Ã¤µ¤ì¤Æ¤¤¤­¤Þ¤¹¡£

¥ª¥×¥·¥ç¥ó ‘at <x-coord>‘ ¤Ï¡¢¤½¤Î¸å¤Î¥Ò¥¹¥È¥°¥é¥à¤Î x ºÂɸ¤Î°ÌÃÖ¤ò <x-coord> ¤ËÀßÄꤷ¤Þ¤¹¡£Îã:

       set style histogram cluster
       set style data histogram
       set style fill solid 1.0 border -1
       set xtic 1 offset character 0,0.3
       plot newhistogram "Set A", \
            'file.dat' u 1 t 1, '' u 2 t 2, \
            newhistogram "Set B" at 8, \
            'file.dat' u 2 t 2, '' u 2 t 2

¤³¤Î¾ì¹ç¡¢2 ¤ÄÌܤΥҥ¹¥È¥°¥é¥à¤Î°ÌÃÖ¤Ï x=8 ¤«¤é»Ï¤Þ¤ê¤Þ¤¹¡£

2.14.2 Ê£¿ô¤ÎÎó¤ËÅϤ뼫ưŪ¤Ê·«¤êÊÖ¤· (automated)

°ì¤Ä¤Î¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î¤¿¤¯¤µ¤ó¤ÎÎ󤫤顢°ì¤Ä¤Î¥Ò¥¹¥È¥°¥é¥à¤òÀ¸À®¤·¤¿¤¤ ¾ì¹ç¡¢plot ¤Î·«¤êÊÖ¤· (iteration) µ¡Ç½¤ò»È¤¦¤ÈÊØÍø¤Ç¤·¤ç¤¦¡£°Ê²¼»²¾È: ‘iteration‘¡£Î㤨¤Ð¡¢3 ÎóÌܤ«¤é 8 ÎóÌܤޤǤΥǡ¼¥¿¤òÀѤ߾夲¤¿·Á¤Î¥Ò¥¹ ¥È¥°¥é¥à¤òÀ¸À®¤¹¤ëÎã:

      set style histogram columnstacked
      plot for [i=3:8] "datafile" using i title columnhead

2.15 image

ÉÁ²è¥¹¥¿¥¤¥ë ‘image‘, rgbimage, rgbalpha ¤Ï¡¢¤¤¤º¤ì¤â°ìÍͤËɸËÜÅÀ ¤ò¼è¤Ã¤¿³Ê»Ò¾õ¥Ç¡¼¥¿Ãͤò¡¢2 ¼¡¸µ¡¢¤Þ¤¿¤Ï 3 ¼¡¸µÃæ¤Î¤¢¤ëÊ¿Ì̾å¤Ë¼Í±Æ¤· ¤Þ¤¹¡£ÆþÎϥǡ¼¥¿¤Ï¡¢´û¤Ë¤¢¤ë¥Ó¥Ã¥Þ¥Ã¥×²èÁü¥Õ¥¡¥¤¥ë (PNG ¤Î¤è¤¦¤Êɸ½àŪ ¤Ê¥Õ¥©¡¼¥Þ¥Ã¥È¤«¤éÊÑ´¹¤·¤¿¤â¤Î¤Ç¤è¤¤) ¤«¡¢Ã±½ã¤Ê¿ôÃÍÇÛÎó¤Ç¤¹¡£

¤³¤Î¿Þ¤Ï¡¢¥¹¥«¥é¡¼ÃͤÎÇÛÎ󤫤鲹ÅÙʬÉÛ¤òÀ¸À®¤·¤¿Îã¤Ç¤¹¡£¸½ºß¤Î¥Ñ¥ì¥Ã¥È ¤ò¡¢³Æ¥¹¥«¥é¡¼Ãͤ«¤éÂбþ¤¹¤ë¥Ô¥¯¥»¥ë¤Î¿§¤Ø¤Î³ä¤êÅö¤Æ¤Ë»ÈÍѤ·¤Þ¤¹¡£

      plot '-' matrix with image
      5 4 3 1 0
      2 2 0 0 1
      0 0 0 1 0
      0 1 2 4 3
      e
      e

ÆþÎÏ 2 ¼¡¸µ²èÁü¤Î³Æ¥Ô¥¯¥»¥ë (¥Ç¡¼¥¿ÅÀ) ¤Ï¡¢ÉÁ²è¥°¥é¥ÕÃæ¤Ç¤ÏĹÊý·Á¡¢¤Þ ¤¿¤ÏÊ¿¹ÔÏ»ÌÌÂΤȤʤê¤Þ¤¹¡£²èÁü¤Î³Æ¥Ç¡¼¥¿ÅÀ¤ÎºÂɸ¤Ï¡¢Ê¿¹ÔÏ»ÌÌÂΤÎÃæ¿´¤ò ·èÄꤷ¤Þ¤¹¡£¤¹¤Ê¤ï¤Á¡¢M x N ¸Ä¤Î¥Ç¡¼¥¿½¸¹ç¤Ï M x N ¥Ô¥¯¥»¥ë¤Î²èÁü¤òÀ¸ À®¤·¤Þ¤¹¡£¤³¤ì¤Ï¡¢M x N ¸Ä¤Î¥Ç¡¼¥¿½¸¹ç¤¬ (M-1) x (N-1) Í×ÁǤòºîÀ®¤¹¤ë pm3d ¤Î¹½Â¤¤È¤Ï°Û¤Ê¤ê¤Þ¤¹¡£¥Ð¥¤¥Ê¥ê²èÁü¥Ç¡¼¥¿¤Î³Ê»Ò¤ÎÁöººÊý¸þ¤Ï¡¢Äɲà ¥­¡¼¥ï¡¼¥É¤Ç¤µ¤é¤ËÀ©¸æ²Äǽ¤Ç¤¹¡£°Ê²¼»²¾È: ‘binary keywords flipx‘, ‘keywords center‘, ‘keywords rotate‘¡£

³Æ¥Ô¥¯¥»¥ë¤Î x ¤È y ¤ÎÂ礭¤µ¤ò¼¨¤¹¤³¤È¤Ç¡¢²èÁü¥Ç¡¼¥¿¤ò 2 ¼¡¸µÉÁ²èºÂɸ ·ÏÆâ¤ÎÆÃÄê¤ÎĹÊý·Á¤Ë¼ý¤Þ¤ë¤è¤¦¤Ë¿­½Ì¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£°Ê²¼»²¾È: ‘binary keywords dx‘, ‘dy‘¡£±¦¤Î²èÁü¤òÀ¸À®¤¹¤ë¤Î¤Ë¤Ï¡¢Æ±¤¸ÆþÎϲèÁü¤ò¡¢ ¤½¤ì¤¾¤ì dx, dy, origin ¤ò»ØÄꤷ¤ÆÊ£¿ô²óÇÛÃÖ¤·¤Þ¤·¤¿¡£ÆþÎÏ PNG ²èÁü¤Ç ¤¢¤ë¥Ó¥ë¤Î³¨¤Ï 50x128 ¥Ô¥¯¥»¥ë¤Ç¤¹¡£¹â¤¤¥Ó¥ë¤Ï¡¢‘dx=0.5 dy=1.5‘ ¤Ç³ä¤ê Åö¤Æ¤ÆÉÁ²è¤·¡¢Ä㤤¥Ó¥ë¤Ï¡¢‘dx=0.5 dy=0.35‘ ¤È¤·¤Æ¤¤¤Þ¤¹ (ÌõÃí: ¤³¤³¤Ç ½Ò¤Ù¤Æ¤¤¤ë²èÁü¤È¤Ï¡¢pdflatex ¤ò»ÈÍѤ·¤¿¥Þ¥Ë¥å¥¢¥ë¤À¤±¤Ë¸½¤ì¤Þ¤¹¤Î¤Ç¡¢ ÆüËܸì¤Î¥Þ¥Ë¥å¥¢¥ë¤Ë¤Ï¤³¤Î¿Þ¤Ï´Þ¤Þ¤ì¤Æ¤¤¤Ê¤¤¤Ç¤·¤ç¤¦¡£)

¥¹¥¿¥¤¥ë ‘image‘ ¤Ï¡¢¥°¥ì¥¤¥¹¥±¡¼¥ë (³¥¿§³¬Ä´)¡¢¤Þ¤¿¤Ï¥«¥é¡¼¥Ñ¥ì¥Ã¥ÈÃÍ ¤ò´Þ¤ó¤Ç¤¤¤ë¥Ô¥¯¥»¥ë¤ÎÆþÎϤò½èÍý¤·¤Þ¤¹¡£¤è¤Ã¤Æ 2 ¼¡¸µÉÁ²è (plot ¥³¥Þ ¥ó¥É) ¤Ç¤Ï 3 Îó¤Î¥Ç¡¼¥¿ (x,y,value) ¤ò¡¢3 ¼¡¸µÉÁ²è (‘splot‘ ¥³¥Þ¥ó¥É) ¤Ç¤Ï 4 Îó¤Î¥Ç¡¼¥¿ (x,y,z,value) ¤¬É¬Íפˤʤê¤Þ¤¹¡£

¥¹¥¿¥¤¥ë rgbimage ¤Ï¡¢ÀÖ¡¢ÎС¢ÀĤΠ3 ¤Ä¤Î¿§À®Ê¬ (RGB) ¤Çµ­½Ò¤µ¤ì¤¿¥Ô ¥¯¥»¥ë¤ÎÆþÎϤò½èÍý¤·¤Þ¤¹¡£¤è¤Ã¤Æ plot ¤Ç¤Ï 5 ¼¡¸µ¥Ç¡¼¥¿ (x,y,r,g,b) ¤¬¡¢‘splot‘ ¤Ç¤Ï 6 ¼¡¸µ¥Ç¡¼¥¿ (x,y,z,r,g,b) ¤¬É¬Íפˤʤê¤Þ¤¹¡£ÀÖ¡¢ÎС¢ ÀĤγÆÀ®Ê¬¤Ï [0:255] ¤ÎÈÏ°ÏÆâ¤Ë¤¢¤ë¤È²¾Äꤵ¤ì¤Þ¤¹¡£

¥¹¥¿¥¤¥ë rgbalpha ¤Ï¡¢ÀÖ¡¢ÎС¢ÀĤΠRGB À®Ê¬¤Ë²Ã¤¨¤Æ¡¢¥¢¥ë¥Õ¥¡¥Á¥ã¥Í ¥ë (Æ©²á¥Ñ¥é¥á¡¼¥¿) ¤Î¾ðÊó¤â´Þ¤ó¤À¥Ô¥¯¥»¥ë¤ÎÆþÎϤò½èÍý¤·¤Þ¤¹¡£¤è¤Ã¤Æ¡¢ plot ¤Ç¤Ï 6 ¼¡¸µ¥Ç¡¼¥¿ (x,y,r,g,b,a) ¤¬¡¢‘splot‘ ¤Ç¤Ï 7 ¼¡¸µ¥Ç¡¼¥¿ (x,y,z,r,g,b,a) ¤¬É¬Íפˤʤê¤Þ¤¹¡£ÀÖ¡¢ÎС¢ÀÄ¡¢¤ª¤è¤Ó¥¢¥ë¥Õ¥¡¤Î³ÆÀ®Ê¬¤Ï [0:255] ¤ÎÈÏ°ÏÆâ¤Ë¤¢¤ë¤È²¾Äꤵ¤ì¤Þ¤¹¡£

2.15.1 Æ©ÌÀ²½ (transparency)

ÉÁ²è¥¹¥¿¥¤¥ë rgbalpha ¤Ï¡¢ÆþÎϥǡ¼¥¿¤Î³Æ¥Ô¥¯¥»¥ë¤¬ [0:255] ¤ÎÈÏ°ÏÆ⠤Υ¢¥ë¥Õ¥¡Ãͤò»ý¤Ã¤Æ¤¤¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£alpha = 0 ¤Î¥Ô¥¯¥»¥ë¤Ï´°Á´¤ÊÆ© ÌÀ¤Ç¡¢¤½¤Î²¼ (±ü) ¤ÎÉÁ²èÍ×ÁǤòÁ´¤¯ÊѤ¨¤Þ¤»¤ó¡£alpha = 255 ¤Î¥Ô¥¯¥»¥ë¤Ï ´°Á´¤ÊÉÔÆ©ÌÀ¤Ç¤¹¡£¤¹¤Ù¤Æ¤Î½ÐÎÏ·Á¼°¤Ï¡¢¤³¤ì¤é 2 ¤Ä¤Îξ¶Ëü¤ÊÃͤò¥µ¥Ý¡¼ ¥È¤·¤Þ¤¹¡£0 < alpha < 255 ¤Î¥Ô¥¯¥»¥ë¤ÏȾƩÌÀ¤Ç¡¢¤³¤ì¤Ï 2,3 ¤Î½ÐÎÏ·Á¼° ¤·¤«´°Á´¤Ë¤ÏÂбþ¤·¤Æ¤ª¤é¤º¡¢Â¾¤Î½ÐÎÏ·Á¼°¤Ç¤Ï¤³¤ì¤ò 0 ¤« 255 ¤È¤·¤Æ°·¤¦ ¤³¤È¤Ë¤è¤ë¶á»÷¤·¤«¹Ô¤¤¤Þ¤»¤ó¡£

2.15.2 image failsafe

½ÐÎÏ·Á¼°¤Î¥É¥é¥¤¥Ð¤Ë¤è¤Ã¤Æ¤Ï¡¢2 ¼¡¸µ¤ÎĹÊý·ÁÎΰèÆâ¤Ç¤Î²èÁü¥Ç¡¼¥¿¤Î¥ì¥ó ¥À¥ê¥ó¥°¤òºÇŬ²½¤¹¤ë¥ë¡¼¥Á¥ó¤òÄ󶡤·¤Æ¤¤¤ë¾ì¹ç¤¬¤¢¤ê¤Þ¤¹¡£¤·¤«¤·¡¢¤½¤Î ¥ë¡¼¥Á¥ó¤ÏÉÔ´°Á´¤Ç¤¢¤ë¤³¤È¤¬ÃΤé¤ì¤Æ¤¤¤Þ¤¹¡£¤³¤ÎºÇŬ²½¥ë¡¼¥Á¥ó¤Ï¡¢¥­¡¼ ¥ï¡¼¥É ‘failsafe‘ ¤ò»È¤¦¤³¤È¤Ç̵¸ú²½¤Ç¤­¤Þ¤¹¡£Îã:

      plot 'data' with image failsafe

2.16 impulses

impulses ¥¹¥¿¥¤¥ë¤Ï¡¢2 ¼¡¸µÉÁ²è¤Ç¤Ï y=0 ¤«¤é³ÆÅÀ¤Î y ¤ÎÃͤؤΡ¢3 ¼¡ ¸µÉÁ²è¤Ç¤Ï z=0 ¤«¤é³ÆÅÀ¤Î z ¤ÎÃͤؤΡ¢¿âľ¤ÊÀþʬ¤òɽ¼¨¤·¤Þ¤¹¡£y ¤ä z ¤ÎÃͤÏÉé¤ÎÃͤǤâ¤è¤¤¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£¥Ç¡¼¥¿¤ÎÄɲÃÎó¤ò³Æ¿âľÀþʬ ¤Î¿§¤ÎÀ©¸æ¤ËÍøÍѤǤ­¤Þ¤¹¡£¤³¤Î¥¹¥¿¥¤¥ë¤ò 3 ¼¡¸µÉÁ²è¤Ç»ÈÍѤ¹¤ë¾ì¹ç¡¢ÂÀ ¤¤Àþ (linewidth > 1) ¤òÍøÍѤ¹¤ë¤È¤è¤ê¸ú²ÌŪ¤Ç¤·¤ç¤¦¡£¤½¤ì¤Ï 3 ¼¡¸µ¤ÎËÀ ¥°¥é¥Õ¤Ë»÷¤¿¤â¤Î¤Ë¤Ê¤ê¤Þ¤¹¡£

     1 Îó:  y
     2 Îó:  x  y     # [x,0] ¤«¤é [x,y] ¤Ø¤ÎÀþ (2D)
     3 Îó:  x  y  z  # [x,y,0] ¤«¤é [x,y,z] ¤Ø¤ÎÀþ (3D)

2.17 labels

¥¹¥¿¥¤¥ë labels ¤Ï¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤«¤éºÂɸ¤Èʸ»úÎó¤òÆɤ߹þ¤ß¡¢¤½¤Îʸ »úÎó¤ò¤½¤Î 2 ¼¡¸µ¡¢¤Þ¤¿¤Ï 3 ¼¡¸µºÂɸ¤ËÃÖ¤­¤Þ¤¹¡£¤³¤ì¤Ï´ðËÜŪ¤Ë 3 Îó¡¢ ¤Þ¤¿¤Ï 4 Îó¤ÎÆþÎϤòɬÍפȤ·¤Þ¤¹¡£Í¾Ê¬¤ÊÆþÎÏÎó¤Ï¡¢¥Õ¥©¥ó¥È¥µ¥¤¥º¤«Ê¸»ú ¿§¤ÎÊÑ¿ôÃͤΤ褦¤Ê¾ðÊó¤¬Ä󶡤µ¤ì¤¿¤â¤Î¤È¤·¤Æ»ÈÍѤµ¤ì¤Þ¤¹ (°Ê²¼»²¾È: ‘rgbcolor variable‘)¡£

     3 Îó:  x  y  string    # 2 ¼¡¸µÈÇ
     4 Îó:  x  y  z  string # 3 ¼¡¸µÈÇ

¥Õ¥©¥ó¥È¡¢¿§¡¢²óž³Ñ¤ä¤½¤Î¾¤ÎÉÁ²è¥Æ¥­¥¹¥È¤Î°À­¤ÏÄɲ媥ץ·¥ç¥ó¤È¤·¤Æ »ØÄê²Äǽ¤Ç¤¹ (°Ê²¼»²¾È: ‘set label‘)¡£¼¡¤ÎÎã¤Ï¡¢ÆþÎÏ¥Õ¥¡¥¤¥ë¤Î 1 ÎóÌÜ ¤«¤é¼è¤Ã¤¿»Ô¤Î̾Á°¤«¤éºî¤é¤ì¤ëʸ»úÎó¤ò¡¢4, 5 ÎóÌܤ«¤é¼è¤Ã¤¿ÃÏ¿ÞºÂɸ¤Ë ÉÁ²è¤·¤Þ¤¹¡£¥Õ¥©¥ó¥È¥µ¥¤¥º¤Ï¡¢3 ÎóÌܤÎÃͤ«¤é·×»»¤·¤Æ¤¤¤Æ¡¢¤³¤Î¾ì¹ç¤Ï¤½ ¤ì¤Ï¿Í¸ý¤ò°ÕÌ£¤·¤Æ¤¤¤Þ¤¹¡£

  CityName(String,Size) = sprintf("{/=%d %s}", Scale(Size), String)
  plot 'cities.dat' using 5:4:(CityName(stringcolumn(1),$3)) with labels

¥Õ¥©¥ó¥È¤ò¡¢¸Ä¡¹¤Î»Ô¤ËÂФ·¤Æ°Û¤Ê¤ë¥µ¥¤¥º¤Ë¹ç¤ï¤»¤Ê¤¯¤Æ¤¤¤¤¤Ê¤é¤Ð¡¢¥³¥Þ ¥ó¥É¤Ï¤â¤Ã¤È´Êñ¤Ç¤¹:

  plot 'cities.dat' using 5:4:1 with labels font "Times,8"

¥¹¥¿¥¤¥ë labels ¤Ï 3 ¼¡¸µÉÁ²è¤Ç¤â»ÈÍѤǤ­¤Þ¤¹¡£¤³¤Î¾ì¹ç X,Y,Z ¤Èʸ»ú Î󡢤Π4 ¤Ä¤ÎÆþÎÏÎó»ØÄ꤬ɬÍפǤ¹¡£

  splot 'datafile' using 1:2:3:4 with labels

°Ê²¼¤â»²¾È: ‘datastrings‘, ‘set style data‘¡£

2.18 lines

‘lines‘ ¥¹¥¿¥¤¥ë¤ÏÎÙÀܤ¹¤ëÅÀ¤ò¿¿Ä¾¤ÊÀþʬ¤Ç·ë¤Ó¤Þ¤¹¡£ ¤³¤ì¤Ï¡¢2 ¼¡¸µÉÁ²è¤Ç¤â¡¢3 ¼¡¸µÉÁ²è¤Ç¤â»ÈÍѤǤ­¡¢´ðËÜŪ¤Ë¤Ï¡¢1 Îó¤« 2 Îó¤« 3 Î󤫤ÎÆþÎϥǡ¼¥¿¤òɬÍפȤ·¤Þ¤¹¡£ ;ʬ¤ÊÆþÎÏÎó¤Ï¡¢Àþ¤Î¿§¤ÎÊѹ¹¤Ê¤É¤Î¾ðÊó¤¬Ä󶡤µ¤ì¤¿¤â¤Î¤È¤·¤Æ»ÈÍѤµ¤ì¤Þ ¤¹ (°Ê²¼»²¾È: ‘rgbcolor variable‘)¡£

2 ¼¡¸µ¤Î¾ì¹ç

     1 Îó:  y       # ¹ÔÈÖ¹æ¤Ë¤è¤ë°ÅÌۤΠx
     2 Îó:  x  y

3 ¼¡¸µ¤Î¾ì¹ç

     1 Îó:  z       # x ¤Ï°ÅÌۤιÔÈֹ桢y ¤Ï index ¤«¤é
     3 Îó:  x  y  z

°Ê²¼¤â»²¾È: ‘linetype‘, ‘linewidth‘, ‘linestyle‘¡£

2.19 linespoints

linespoints ¥¹¥¿¥¤¥ë¤Ï¡¢ÎÙÀܤ¹¤ëÅÀ¤ò¿¿¤Ãľ¤°¤ÊÀþʬ¤Ç·ë¤Ó¡¢¤½¤Î¸å¤ÇºÇ ½é¤ËÌá¤Ã¤Æ³ÆÅÀ¤Ë¾®¤µ¤Êµ­¹æ¤òÉÁ¤­¤Þ¤¹¡£¥³¥Þ¥ó¥É pointsize ¤ò»È¤Ã ¤Æ¡¢¤½¤Îµ­¹æ¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÂ礭¤µ¤òÊѹ¹¤Ç¤­¤Þ¤¹¡£ ´ðËÜŪ¤Ë 2 ¼¡¸µÉÁ²è¤Ç¤Ï 1 Î󡢤ޤ¿¤Ï 2 Îó¤ÎÆþÎϥǡ¼¥¿¤¬É¬Íפǡ¢3 ¼¡¸µ ÉÁ²è¤Ç¤Ï 1 Î󡢤ޤ¿¤Ï 3 Îó¤Î¥Ç¡¼¥¿¤¬É¬ÍפǤ¹¡£°Ê²¼»²¾È: ‘style lines‘¡£ ;ʬ¤ÊÆþÎÏÎó¤Ï¡¢ÅÀ¤Î¥µ¥¤¥º¤äÀþ¤Î¿§¤ÎÊѹ¹¤Ê¤É¤Î¾ðÊó¤¬Ä󶡤µ¤ì¤¿¤â¤Î¤È¤· ¤Æ»ÈÍѤµ¤ì¤Þ¤¹¡£

Àþ¼ï (linetype) ¤Î°À­¤Ç¤¢¤ë ‘pointinterval‘ (¾Êά·Á ‘pi‘) ¤Ç¡¢¥°¥é¥Õ ¤Î¤¹¤Ù¤Æ¤ÎÅÀ¤òÍ¿¤¨¤¿µ­¹æ¤Ë¤¹¤ë¤«¤É¤¦¤«¤òÀ©¸æ¤Ç¤­¤Þ¤¹¡£Î㤨¤Ð¡¢ ‘with lp pi 3‘ ¤Ï¡¢¤¹¤Ù¤Æ¤Î¥Ç¡¼¥¿ÅÀ´Ö¤ËÀþʬ¤ò°ú¤­¤Þ¤¹¤¬¡¢ÅÀ¤Îµ­¹æ¤Ï 3 ¤Ä¤ª¤­¤Ë¤·¤«½ñ¤­¤Þ¤»¤ó¡£‘pointinterval‘ ¤òÉé¤ÎÃͤˤ·¤¿¾ì¹ç¤Ï¡¢µ­¹æ¤Î²¼ ¤ÎÀþʬ¤ÎÉôʬ¤ò¾Ã¤·¤Þ¤¹¡£¾Ã¤¹Éôʬ¤Î¥µ¥¤¥º¤Ï pointintervalbox ¤ÇÀ© ¸æ¤Ç¤­¤Þ¤¹¡£

linespoints ¤Ï ‘lp‘ ¤Èά¤¹¤³¤È¤¬½ÐÍè¤Þ¤¹¡£

2.20 points

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2.21 polar

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2.22 steps

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2.23 rgbalpha

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2.24 rgbimage

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2.25 vectors

2 ¼¡¸µ¤Î vectors ¥¹¥¿¥¤¥ë¤Ï (x,y) ¤«¤é (x+xdelta,y+ydelta) ¤Þ¤Ç¤Î¥Ù ¥¯¥È¥ë¤ò½ñ¤­¤Þ¤¹¡£3 ¼¡¸µ¤Î vectors ¥¹¥¿¥¤¥ë¤âƱÍͤǤ¹¤¬¡¢¥Ç¡¼¥¿¤Ï´ð ËÜŪ¤Ë 6 ÎóɬÍפǤ¹¡£³Æ¥Ù¥¯¥È¥ë¤ÎÀèü¤Ë¤Ï¾®¤µ¤ÊÌðÀè¤â½ñ¤«¤ì¤Þ¤¹¡£

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     6 Îó:  x  y  z  xdelta  ydelta  zdelta

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     plot ... with vectors filled heads
     plot ... with vectors arrowstyle 3
     plot ... using 1:2:3:4:5 with vectors arrowstyle variable

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      plot 'file.dat' using 1:2:3:4 with vectors head filled lt 2
      splot 'file.dat' using 1:2:3:(1):(1):(1) with vectors filled head lw 2

‘set clip one‘ ¤È ‘set clip two‘ ¤Ï 2 ¼¡¸µ¤Î¥Ù¥¯¥È¥ë¤ÎÉÁ²è¤Ë±Æ¶Á¤òÍ¿¤¨ ¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: clip, ‘arrowstyle‘¡£

2.26 xerrorbars

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     3 Îó:  x  y  xdelta
     4 Îó:  x  y  xlow  xhigh

ÆþÎÏÎó¤òÄɲà (4,5 ÎóÌÜ) ¤¹¤ë¤È¡¢¤½¤ì¤é¤ÏÅÀ¤Î variable color ¾ðÊó¤È¤·¤Æ »È¤ï¤ì¤Þ¤¹¡£

2.27 xyerrorbars

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      plot 'data' using 1:2:($1-$3):($1+$3):4:5 with xyerrorbars

ÆþÎÏÎó¤òÄɲà (5,7 ÎóÌÜ) ¤¹¤ë¤È¡¢¤½¤ì¤é¤Ï³Æ¥Ç¡¼¥¿ÅÀËè¤Î variable color ¾ðÊó¤È¤·¤Æ»È¤ï¤ì¤Þ¤¹¡£

2.28 yerrorbars

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     4 Îó:  x  y  ylow  yhigh

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2.29 xerrorlines

xerrorlines ¥¹¥¿¥¤¥ë¤Ï 2 ¼¡¸µ¤Î¥Ç¡¼¥¿ÉÁ²è¤Î¤ß¤ÇÍøÍѲÄǽ¤Ç¤¹¡£ xerrorlines ¤Ï linespoints ¤Ë»÷¤Æ¤¤¤Þ¤¹¤¬¡¢¿åÊ¿¤Î¸íº¹Àþ¤¬ÉÁ¤«¤ì¤ë ¤³¤È¤¬°ã¤¤¤Þ¤¹¡£³ÆÅÀ (x,y) ¤Ç¡¢¥Ç¡¼¥¿Îó¤Î¸Ä¿ô¤Ë±þ¤¸¤Æ (xlow,y) ¤«¤é (xhigh,y) ¤Þ¤Ç¡¢¤Þ¤¿¤Ï (x-xdelta,y) ¤«¤é (x+xdelta,y) ¤Þ¤Ç¤ÎÀþʬ¤¬ÉÁ¤« ¤ì¡¢¤½¤·¤Æ¹ï¤Î°õ¤¬¸íº¹Àþ¤Îü¤ËÃÖ¤«¤ì¤Þ¤¹ (bars ¤¬»È¤ï¤ì¤Æ¤¤¤Ê¤¤ ¾ì¹ç¡£¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: bars)¡£´ðËÜŪ¤Ë¤Ï¡¢3 Îó¤« 4 Îó¤Î¥Ç¡¼¥¿¤¬ ɬÍפǤ¹:

     3 Îó:  x  y  xdelta
     4 Îó:  x  y  xlow  xhigh

ÆþÎÏÎó¤òÄɲà (4,5 ÎóÌÜ) ¤¹¤ë¤È¡¢¤½¤ì¤é¤ÏÅÀ¤Î variable color ¾ðÊó¤È¤·¤Æ »È¤ï¤ì¤Þ¤¹¡£

2.30 xyerrorlines

xyerrorlines ¥¹¥¿¥¤¥ë¤Ï 2 ¼¡¸µ¤Î¥Ç¡¼¥¿ÉÁ²è¤Î¤ß¤ÇÍøÍѲÄǽ¤Ç¤¹¡£ xyerrorlines ¤Ï linespoints ¤Ë»÷¤Æ¤¤¤Þ¤¹¤¬¡¢¿åÊ¿¤È¿âľ¤Î¸íº¹Àþ¤âÉÁ ¤«¤ì¤ë¤³¤È¤¬°ã¤¤¤Þ¤¹¡£³ÆÅÀ (x,y) ¤Ç¡¢¥Ç¡¼¥¿Îó¤Î¸Ä¿ô¤Ë±þ¤¸¤Æ¡¢ (x,y-ydelta) ¤«¤é (x,y+ydelta) ¤Þ¤Ç¤È (x-xdelta,y) ¤«¤é (x+xdelta,y) ¤Þ¤Ç¡¢¤¢¤ë¤¤¤Ï (x,ylow) ¤«¤é (x,yhigh) ¤Þ¤Ç¤È (xlow,y) ¤«¤é (xhigh,y) ¤Þ¤Ç¤ÎÀþʬ¤¬ÉÁ¤«¤ì¡¢¤½¤·¤Æ¹ï¤Î°õ¤¬¸íº¹Àþ¤Îü¤ËÃÖ¤«¤ì¤Þ¤¹ (bars ¤¬»È¤ï¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¡£¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: bars)¡£¤³¤ì¤Ï¡¢4 Îó¤« 6 Îó¤ÎÆþÎϥǡ¼¥¿¤¬É¬ÍפǤ¹¡£

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     6 Îó:  x  y  xlow  xhigh  ylow  yhigh

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      plot 'data' using 1:2:($1-$3):($1+$3):4:5 with xyerrorlines

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2.31 yerrorlines

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2.32 3 ¼¡¸µ (¶ÊÌÌ) ÉÁ²è (3D (surface) plots)

¶ÊÌÌÉÁ²è¤Ï¡¢¥³¥Þ¥ó¥É plot ¤Ç¤Ï¤Ê¤¯¥³¥Þ¥ó¥É ‘splot‘ ¤ò»È¤Ã¤ÆÀ¸À®¤·¤Þ ¤¹¡£¥¹¥¿¥¤¥ë ‘with lines‘ ¤ò»È¤¨¤Ð¡¢¶ÊÌ̤ò³Ê»ÒÀþ¤ÇÀ¸À®¤Ç¤­¤Þ¤¹¡£¶ÊÌ̤ΠÅɤêÄÙ¤·¤Ï¡¢¥¹¥¿¥¤¥ë ‘with pm3d‘ ¤Ç¹Ô¤¦¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¶ÊÌ̤ÏÄ̾¤½ ¤ì¤¬ 3 ¼¡¸µ¤Î¶ÊÌ̤Ǥ¢¤ë¤È¤Ï¤Ã¤­¤ê¤ï¤«¤ë¤è¤¦¤Ê»ëÊý¸þ¤«¤éɽ¼¨¤µ¤ì¤Þ¤¹¡£ ¤½¤Î¾ì¹ç¡¢X, Y, Z ¼´¤Ï¤¹¤Ù¤ÆÉÁ²èÆâ¤Ëɽ¼¨¤µ¤ì¤Þ¤¹¡£3 ¼¡¸µÅª¤Êºø³Ð¤Ï¡¢±£ Àþ½èÍý¤ä¡¢¶ÊÌÌÍ×ÁǤο¼¤µÀ°Îó¤Ë¤è¤ê¡¢¤è¤êÁýÉý¤µ¤ì¤Þ¤¹¡£°Ê²¼»²¾È: hidden3d, ‘pm3d depthorder‘¡£ ¥³¥Þ¥ó¥É ‘splot‘ ¤Ï¡¢Äê¿ô¤Î Z ÃͤËÂФ¹¤ëÅù¹âÀþ¤ò·×»»¤·ÉÁ²è¤¹¤ë¤³¤È¤â¤Ç ¤­¤Þ¤¹¡£¤³¤ì¤é¤ÎÅù¹âÀþ¤Ï¡¢¶ÊÌ̤½¤ì¼«ÂΤξå¤Ë½ñ¤¯¤³¤È¤â¤Ç¤­¤Þ¤¹¤·¡¢XY Ê¿Ì̤ؼͱƤ¹¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£°Ê²¼»²¾È: ‘set contour‘¡£

2.32.1 2 ¼¡¸µ¼Í±Æ (set view map)

¥³¥Þ¥ó¥É ‘splot‘ ¤ÎÆÃÊ̤ʾì¹ç¤È¤·¤Æ¡¢ÉÁ²è¤Î Z Êý¸þ¤Î¼Í±Æ¤Ë¤è¤ë¡¢Z ºÂɸ ¤Î 2 ¼¡¸µ¶ÊÌ̤ؤÎÃÏ¿ÞºîÀ® (map) ¤¬¤¢¤ê¤Þ¤¹¡£°Ê²¼»²¾È: ‘set view map‘¡£ ¤³¤ÎÉÁ²è¥â¡¼¥É¤Ï¡¢Åù¹âÀþ¤ÎÉÁ²è¤ä²¹ÅÙʬÉÛ¤òÀ¸À®¤¹¤ë¤Î¤ËÍøÍѤǤ­¤Þ¤¹¡£

3 ¥³¥Þ¥ó¥É (Commands)

¤³¤Î¥»¥¯¥·¥ç¥ó¤Ç¤Ï ‘gnuplot‘ ¤¬¼õ¤±ÉÕ¤±¤ë¥³¥Þ¥ó¥É¤ò¥¢¥ë¥Õ¥¡¥Ù¥Ã¥È½ç¤Ë ʤ٤Ƥ¤¤Þ¤¹¡£¤³¤Î¥É¥­¥å¥á¥ó¥È¤ò»æ¤Ë°õºþ¤·¤¿¤â¤Î¤ÏÁ´¤Æ¤Î¥³¥Þ¥ó¥É¤ò´Þ¤ó ¤Ç¤¤¤Þ¤¹¤¬¡¢ÂÐÏ÷¿¤Ç»²¾È¤Ç¤­¤ë¥É¥­¥å¥á¥ó¥È¤ÎÊý¤Ï´°Á´¤Ç¤Ï¤Ê¤¤²ÄǽÀ­¤¬¤¢ ¤ê¤Þ¤¹¡£¼ÂºÝ¡¢¤³¤Î¸«½Ð¤·¤Î²¼¤Ë²¿¤Î¥³¥Þ¥ó¥É¤âɽ¼¨¤µ¤ì¤Ê¤¤¥·¥¹¥Æ¥à¤¬¤¢¤ê ¤Þ¤¹¡£

¤Û¤È¤ó¤É¤Î¾ì¹ç¡¢¥³¥Þ¥ó¥É̾¤È¤½¤Î¥ª¥×¥·¥ç¥ó¤Ï¡¢Ê¶¤é¤ï¤·¤¯¤Ê¤¤ÈϰϤǾÊά ¤¹¤ë¤³¤È¤¬²Äǽ¤Ç¤¹¡£¤¹¤Ê¤ï¤Á¡¢"‘plot f(x) with lines‘" ¤ÎÂå¤ï¤ê¤Ë "‘p f(x) w li‘" ¤È¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

½ñ¼°¤Îµ­½Ò¤Ë¤ª¤¤¤Æ¡¢Ã楫¥Ã¥³ ({}) ¤ÏÄɲûØÄê¤Ç¤­¤ë°ú¿ô¤ò°ÕÌ£¤·¡¢ ½ÄËÀ (|) ¤Ï¸ß¤¤¤ËÇÓ¾Ū¤Ê°ú¿ô¤ò¶èÀÚ¤ë¤â¤Î¤È¤·¤Þ¤¹¡£

3.1 cd

cd ¥³¥Þ¥ó¥É¤Ï¥«¥ì¥ó¥È¥Ç¥£¥ì¥¯¥È¥ê¤òÊѹ¹¤·¤Þ¤¹¡£

½ñ¼°:

        cd '<¥Ç¥£¥ì¥¯¥È¥ê̾>'

¥Ç¥£¥ì¥¯¥È¥ê̾¤Ï°úÍÑÉä¤Ë°Ï¤Þ¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£

Îã:

        cd 'subdir'
        cd '..'

¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å (\) ¤ÏÆó½Å°úÍÑÉäÆâ (") ¤Ç¤ÏÆÃÊ̤ʰÕÌ£¤ò»ý¤Ã¤Æ¤·¤Þ¤¦¤¿ ¤á¤Ë¥¨¥¹¥±¡¼¥×¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¤Î¤Ç¡¢Windows ¥æ¡¼¥¶¤Ë¤Ïñ°ì°úÍÑÉä¤ò»È ¤¦¤³¤È¤ò´«¤á¤Þ¤¹¡£Î㤨¤Ð¡¢

        cd "c:\newdata"

¤Ç¤Ï¼ºÇÔ¤·¤Þ¤¹¤¬¡¢

        cd 'c:\newdata'
        cd "c:\\newdata"

¤Ê¤é´üÂÔÄ̤ê¤ËÆ°¤¯¤Ç¤·¤ç¤¦¡£

3.2 call

call ¥³¥Þ¥ó¥É¤Ï¡¢1 ¤Ä¤Îµ¡Ç½°Ê³°¤Ï ‘load‘ ¥³¥Þ¥ó¥É¤ÈÅù²Á¤Ç¤¹¡£ ¤½¤Îµ¡Ç½¤Ï¡¢10 ¸Ä¤Þ¤Ç¤Î¥Ñ¥é¥á¡¼¥¿¤ò¥³¥Þ¥ó¥É¤ËÄɲäǤ­¤ë¤³¤È¤Ç¤¹ (¥Ñ¥é¥á¡¼¥¿¤Ïɸ½àŪ¤Ê¹½Ê¸µ¬Â§¤Ë¤è¤Ã¤Æ¶èÀÚ¤é¤ì¤Þ¤¹)¡£¤³¤ì¤é¤Î¥Ñ¥é¥á¡¼¥¿ ¤Ï¡¢¥Õ¥¡¥¤¥ë¤«¤éÆɤޤì¤ë¹Ô¤ËÂåÆþ¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£call ¤·¤¿ÆþÎÏ ¥Õ¥¡¥¤¥ë¤«¤é³Æ¹Ô¤¬Æɤޤì¤ë»þ¤Ë¡¢‘$‘ (¥É¥ëµ­¹æ) ¤Ë³¤¯¿ô»ú (0–9) ¤ÎÊ ¤Ó¤òÁöºº¤·¤Þ¤¹¡£¤â¤·¸«¤Ä¤«¤ì¤Ð¡¢¤½¤ÎÊÂ¤Ó¤Ï call ¤Î¥³¥Þ¥ó¥É¹Ô¤ÎÂбþ¤¹ ¤ë¥Ñ¥é¥á¡¼¥¿¤ÇÃÖ¤­´¹¤¨¤é¤ì¤Þ¤¹¡£call ¤Î¹Ô¤Ç¤½¤Î¥Ñ¥é¥á¡¼¥¿¤¬Ê¸»úÎó¤È ¤·¤Æ»ØÄꤵ¤ì¤Æ¤¤¤ë¤Ê¤é¤Ð¡¢¼è¤ê°Ï¤ó¤Ç¤¤¤ë°úÍÑÉ䤬¾Ê¤«¤ì¤ÆÂåÆþ¤µ¤ì¤Þ¤¹¡£ ʸ»úÎó ‘$#‘ ¤Ï¥Ñ¥é¥á¡¼¥¿¤Î¸Ä¿ô¤ËÃÖ¤­´¹¤¨¤é¤ì¤Þ¤¹¡£Ê¸»ú¤¬¸å¤Ë³¤¯ ‘$‘ ¤Ï¤½¤Îʸ»ú¤Ë¤Ê¤ê¤Þ¤¹¡£Î㤨¤Ð¡¢°ì¤Ä¤Î ‘$‘ ¤òÆÀ¤ë¤Ë¤Ï ‘$$‘ ¤ò»È¤¤¤Þ¤¹¡£ call ¤Î¥³¥Þ¥ó¥É¹Ô¤Ë 10 ¸Ä¤è¤ê¿¤¤¥Ñ¥é¥á¡¼¥¿¤òÍ¿¤¨¤ë¤È¥¨¥é¡¼¤¬µ¯¤³¤ê ¤Þ¤¹¡£Í¿¤¨¤é¤ì¤Ê¤«¤Ã¤¿¥Ñ¥é¥á¡¼¥¿¤Ï¡¢²¿¤â̵¤·¤È¤·¤Æ°·¤ï¤ì¤Þ¤¹¡£call Ãæ¤Î¥Õ¥¡¥¤¥ë¤ÎÃæ¤Ë¤µ¤é¤Ë ‘load‘ ¤Þ¤¿¤Ï call ¥³¥Þ¥ó¥É¤¬¤¢¤Ã¤Æ¤â¹½¤¤¤Þ ¤»¤ó¡£

½ñ¼°:

        call "<ÆþÎÏ¥Õ¥¡¥¤¥ë>" <¥Ñ¥é¥á¡¼¥¿ 0> <¥Ñ 1> ... <¥Ñ 9>

ÆþÎÏ¥Õ¥¡¥¤¥ë̾¤Ï°úÍÑÉä¤Ç°Ï¤Þ¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£¤½¤·¤Æ¡¢¥Ñ¥é¥á¡¼¥¿¤â °úÍÑÉä¤Ç°Ï¤à¤³¤È¤ò¿ä¾©¤·¤Þ¤¹ (gnuplot ¤Î¾­Íè¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ï°úÍÑÉä¤Ç °Ï¤ó¤Ç¤¢¤ëÉôʬ¤È°Ï¤ó¤Ç¤Ê¤¤Éôʬ¤ËÂФ·¤Æ¤Ï°ã¤¦¼è¤ê°·¤¤¤ò¤¹¤ëͽÄê¤Ç¤¹)¡£

Îã:

¥Õ¥¡¥¤¥ë ’calltest.gp’ ¤Ï°Ê²¼¤Î¹Ô¤ò´Þ¤ó¤Ç¤¤¤ë¤È¤¹¤ë¤È:

    print "argc=$# p0=$0 p1=$1 p2=$2 p3=$3 p4=$4 p5=$5 p6=$6 p7=x$7x"

¼¡¤Î¹Ô¤òÆþÎϤ¹¤ë¤È:

    call 'calltest.gp' "abcd" 1.2 + "'quoted'" -- "$2"

°Ê²¼¤Î¤è¤¦¤Ëɽ¼¨¤µ¤ì¤ë¤Ç¤·¤ç¤¦:

    argc=7 p0=abcd p1=1.2 p2=+ p3='quoted' p4=- p5=- p6=$2 p7=xx

Ãí°Õ: using ¤ò»ÈÍѤ·¤Æ¤¤¤ë¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Ç¤ÏʸˡŪ¤Ë½Å¤Ê¤Ã¤Æ¤·¤Þ¤¤¤Þ ¤¹¡£¤½¤Î¾ì¹ç¡¢call ¤µ¤ì¤¿¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤«¤é¥×¥í¥Ã¥È¤¹¤ë¤È¤­¤Ï¡¢¥Ç¡¼ ¥¿¤Î n ¥«¥é¥àÌܤλؼ¨¤Ë¤Ï ‘$$n‘ ¤Þ¤¿¤Ï ‘column(n)‘ ¤ò»ÈÍѤ·¤Æ¤¯¤À¤µ¤¤¡£

3.3 clear

clear ¥³¥Þ¥ó¥É¤Ï¡¢output ¤ÇÁªÂò¤µ¤ì¤¿²èÌ̤ޤ¿¤Ï½ÐÎÏÁõÃÖ¤ò¥¯¥ê ¥¢¤·¤Þ¤¹¡£Ä̾¥Ï¡¼¥É¥³¥Ô¡¼ÁõÃÖ¤ËÂФ·¤Æ¤Ï²þ¥Ú¡¼¥¸¤ò¹Ô¤¤¤Þ¤¹¡£½ÐÎÏÁõÃÖ ¤òÁªÂò¤¹¤ë¤Ë¤Ï terminal ¤ò»ÈÍѤ·¤Æ²¼¤µ¤¤¡£

¤¤¤¯¤Ä¤«¤Î½ÐÎÏÁõÃÖ¤Ï clear ¥³¥Þ¥ó¥É¤Ç¤Ï size ¤ÇÄêµÁ¤µ¤ì¤¿ÉÁ²è Îΰè¤Î¤ß¤ò¾Ãµî¤·¤Þ¤¹¡£¤½¤Î¤¿¤á¡¢multiplot ¤È¤È¤â¤Ë»ÈÍѤ¹¤ë¤³¤È¤Ç ÁÞÆþ¿Þ¤ò°ì¤Äºî¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

Îã:

      set multiplot
      plot sin(x)
      set origin 0.5,0.5
      set size 0.4,0.4
      clear
      plot cos(x)
      unset multiplot

¤³¤ì¤é¤Î¥³¥Þ¥ó¥É¤Î¾ÜºÙ¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: multiplot, size, origin¡£

3.4 Do

½ñ¼°:

      do for <iteration-spec> {
           <commands>
           <commands>
      }

¤³¤ì¤Ï¡¢¥³¥Þ¥ó¥ÉÎó¤òÊ£¿ô²ó¼Â¹Ô¤·¤Þ¤¹¡£¥³¥Þ¥ó¥É¤ÏÃ楫¥Ã¥³ {} ¤Ç°Ï¤ß¡¢¤« ¤Ä³«»Ï¥«¥Ã¥³ "{" ¤Ï¡¢¥­¡¼¥ï¡¼¥É ‘do‘ ¤ÈƱ¤¸¹Ô¤ËÃÖ¤¯É¬Íפ¬¤¢¤ê¤Þ¤¹¡£¤³ ¤Î¥³¥Þ¥ó¥É¤Ï¡¢¸Å¤¤·Á¼° (¤«¤Ã¤³¤Ê¤·) ¤Î if/else ¹½Ê¸¤È°ì½ï¤Ë»È¤¦¤³¤È¤Ï ¤Ç¤­¤Þ¤»¤ó¡£·«¤êÊÖ¤·»ØÄê <iteration-spec> ¤ÎÎã¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: ‘iteration‘¡£Îã:

      set multiplot layout 2,2
      do for [name in "A B C D"] {
          filename = name . ".dat"
          set title sprintf("Condition %s",name)
          plot filename title name
      }
      unset multiplot

3.5 evaluate

¥³¥Þ¥ó¥É evaluate ¤Ï¡¢°ú¿ôʸ»úÎó¤È¤·¤ÆÍ¿¤¨¤é¤ì¤¿¥³¥Þ¥ó¥É¤ò¼Â¹Ô¤·¤Þ¤¹¡£ ¤½¤Îʸ»úÎóÃæ¤Ë²þ¹Ôʸ»ú¤òÆþ¤ì¤Æ¤Ï¤¤¤±¤Þ¤»¤ó¡£

½ñ¼°:

      eval <string expression>

¤³¤ì¤Ï¡¢ÆäËƱÍͤΥ³¥Þ¥ó¥É¤Î·«¤êÊÖ¤·¤ËÍ­ÍѤǤ¹¡£

Îã:

      set_label(x, y, text) \
        = sprintf("set label '%s' at %f, %f point pt 5", text, x, y)
      eval set_label(1., 1., 'one/one')
      eval set_label(2., 1., 'two/one')
      eval set_label(1., 2., 'one/two')

ʸ»úÎ󤫤饳¥Þ¥ó¥É¤ò¼Â¹Ô¤¹¤ëÊ̤ÎÊýË¡¤Ë´Ø¤·¤Æ¤Ï¡¢°Ê²¼»²¾È: macros¡£

3.6 exit

exit ¤È quit ¤Îξ¥³¥Þ¥ó¥É¤Ï END-OF-FILE ʸ»ú (Ä̾ï Ctrl-D) ƱÍÍ¡¢ ¸½ºß¤ÎÆþÎÏ¥¹¥È¥ê¡¼¥à¡¢¤¹¤Ê¤ï¤ÁüËö¤ÎÂÐÏää¥Ñ¥¤¥×ÆþÎÏ¡¢¥Õ¥¡¥¤¥ëÆþÎÏ (¥Ñ ¥¤¥×) ¤«¤é¤ÎÆþÎϤò½ªÎ»¤µ¤»¤Þ¤¹¡£

ÆþÎÏ¥¹¥È¥ê¡¼¥à¤¬Æþ¤ì»Ò (³¬ÁØŪ¤Ê ‘load‘ ¤Î¥¹¥¯¥ê¥×¥È¤Ç) ¤Ë¤Ê¤Ã¤Æ¤¤¤ë¾ì ¹ç¡¢Æɤ߹þ¤ß¤Ï¿Æ¤Î¥¹¥È¥ê¡¼¥à¤Ç·Ñ³¤µ¤ì¤Þ¤¹¡£¥È¥Ã¥×¥ì¥Ù¥ë¤Î¥¹¥È¥ê¡¼¥à¤¬ ÊĤ¸¤é¤ì¤ë¤È¡¢¥×¥í¥°¥é¥à¤Ï¤½¤ì¼«¿È½ªÎ»¤·¤Þ¤¹¡£

¥³¥Þ¥ó¥É ‘exit gnuplot‘ ¤Ï¡¢Ä¾¤Á¤Ë¡¢Ìµ¾ò·ï¤Ë¡¢¤½¤·¤ÆÎ㤨ÆþÎÏ¥¹¥È¥ê¡¼¥à ¤¬Â¿Ãʳ¬¤Ë¥Í¥¹¥È¤µ¤ì¤Æ¤¤¤Æ¤â¡¢gnuplot ¤ò½ªÎ»¤µ¤»¤Þ¤¹¡£¤½¤Î¾ì¹ç¡¢³«¤«¤ì ¤Æ¤¤¤¿Á´¤Æ¤Î½ÐÎÏ¥Õ¥¡¥¤¥ë¤Ï¤­¤ì¤¤¤Ë´°Á´¤Ê·Á¤Ç¤ÏÊĤ¸¤é¤ì¤Ê¤¤²ÄǽÀ­¤¬¤¢¤ê ¤Þ¤¹¡£»ÈÍÑÎã:

      bind "ctrl-x" "unset output; exit gnuplot"

¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: ‘batch/interactive‘¡£

3.7 fit

‘fit‘ ¥³¥Þ¥ó¥É¤Ï¥æ¡¼¥¶¤ÎÍ¿¤¨¤¿¼°¤ò (x,y) ¤Þ¤¿¤Ï (x,y,z) ¤Î·Á¼°¤Î¥Ç¡¼¥¿ ÅÀ¤Î½¸¹ç¤Ø¤ÎÅö¤Æ¤Ï¤á¤ò²Äǽ¤Ë¤·¤Þ¤¹¡£¤½¤ì¤Ë¤Ï Marquardt-Levenberg Ë¡¤Ë ¤è¤ëÈóÀþ·ÁºÇ¾®¼«¾èË¡ (NLLS) ¤Î¼ÂÁõ¤¬ÍѤ¤¤é¤ì¤Þ¤¹¡£¼°¤ÎÆâÉô¤Ë¸½¤ï¤ì¤ë¥æ ¡¼¥¶ÄêµÁÊÑ¿ô¤Ï¤¤¤º¤ì¤âÅö¤Æ¤Ï¤á¤Î¥Ñ¥é¥á¡¼¥¿¤È¤·¤Æ»È¤¦¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤¿ ¤À¡¢¤½¤Î¼°¤ÎÊÖ¤êÃͤϼ¿ô¤Ç¤¢¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£

½ñ¼°:

      fit {<ranges>} <expression>
          '<datafile>' {datafile-modifiers}
          via '<parameter file>' | <var1>{,<var2>,...}

ÈÏ°Ï (xrange,yrange) ¤Ï¡¢Åö¤Æ¤Ï¤á¤é¤ì¤ë¥Ç¡¼¥¿ÅÀ¤ò°ì»þŪ¤ËÀ©¸Â¤¹¤ë¤Î¤Ë »È¤¦¤³¤È¤¬¤Ç¤­¡¢¤½¤ÎÈϰϤòĶ¤¨¤¿¥Ç¡¼¥¿¤ÏÁ´¤Æ̵»ë¤µ¤ì¤Þ¤¹¡£¤½¤Î½ñ¼°¤Ï plot ¥³¥Þ¥ó¥ÉƱÍÍ

      [{dummy_variable=}{<min>}{:<max>}],

¤Ç¤¹¡£°Ê²¼»²¾È: ‘plot ranges‘¡£

<expression> ¤ÏÄ̾ï¤Ï¤¢¤é¤«¤¸¤á¥æ¡¼¥¶ÄêµÁ¤µ¤ì¤¿ f(x) ¤Þ¤¿¤Ï f(x,y) ¤Î ·Á¤Î´Ø¿ô¤Ç¤¹¤¬¡¢‘gnuplot‘ ¤ÇÍ­¸ú¤ÊǤ°Õ¤Î¿ô¼°¤ò»ØÄê¤Ç¤­¤Þ¤¹¡£

<datafile> ¤Ï plot ¥³¥Þ¥ó¥É¤ÈƱÍͤ˰·¤ï¤ì¤Þ¤¹¡£datafile ¤Î½¤ ¾þ»Ò (using, every,...) ¤Ï¡¢smooth ¤È¤¢¤Þ¤ê´«¤á¤é¤ì¤Ê¤¤ thru ¤ò½ü¤¤¤Æ¡¢Á´¤Æ ‘fit‘ ¤Ë»È¤¦¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£°Ê²¼»²¾È:datafile¡£

Åö¤Æ¤Ï¤á¤ë 1 ÊÑ¿ô´Ø¿ô z=f(x) ¤Ø¤Î¥Ç¥Õ¥©¥ë¥È¤Î¥Ç¡¼¥¿¤Î½ñ¼°¤Ï z ¤« x:z ¤Ç¤¹¡£¤Ä¤Þ¤ê¡¢¥Ç¡¼¥¿¤¬ 1 Îó¤·¤«¤Ê¤±¤ì¤Ð¤½¤ì¤Ï½¾Â°ÊÑ¿ôÃÍ (´Ø¿ôÃÍ) ¤È¸« ¤Ê¤µ¤ì¡¢¹ÔÈֹ椬ÆÈΩÊÑ¿ôÃÍ (ÊÑ¿ôÃÍ) ¤È¤Ê¤ê¡¢2 Îó¤Î¥Ç¡¼¥¿¤¬¤¢¤ì¤Ð¡¢1 Îó Ìܤ¬ÆÈΩÊÑ¿ôÃÍ¡¢2 ÎóÌܤ¬½¾Â°ÊÑ¿ôÃͤȤʤê¤Þ¤¹¡£

¤³¤ì¤é¤Î·Á¼°¤Ï¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Ø¤Î using »ØÄê»Ò¤ÇÊѹ¹¤Ç¤­¡¢Î㤨¤Ð z ¤Î Ãͤò¾¤ÎÎ󤫤é¼è¤Ã¤¿¤ê¡¢¤¢¤ë¤¤¤ÏÊ£¿ô¤ÎÎ󤫤é·×»»¤·¤¿ÃͤȤ¹¤ë¤³¤È¤¬¤Ç¤­ ¤Þ¤¹¡£3 ÈÖÌܤΠusing »ØÄê (ÎóÈֹ桢¤Þ¤¿¤Ï¿ô¼°) ¤¬Í¿¤¨¤é¤ì¤¿¾ì¹ç¤Ï¡¢ ¤½¤ì¤ÏÂбþ¤¹¤ë z ¤ÎÃͤÎɸ½àÊк¹¤È¤·¤Æ²ò¼á¤µ¤ì¡¢¤½¤ì¤Ï¤½¤Î¥Ç¡¼¥¿¤Ø¤Î½Å ¤ß (=1/s**2) ¤ò·×»»¤¹¤ë¤Î¤Ë»È¤ï¤ì¤Þ¤¹¡£¤½¤¦¤Ç¤Ê¤±¤ì¤Ð¡¢Á´¤Æ¤Î¥Ç¡¼¥¿¤Ï Ʊ¤¸½Å¤ß (1) ¤Ç·×»»¤µ¤ì¤Þ¤¹¡£using ¥ª¥×¥·¥ç¥ó¤òÁ´¤¯»ØÄꤷ¤Ê¤«¤Ã¤¿¾ì ¹ç¡¢3 ÎóÌܤΥǡ¼¥¿¤¬¤¢¤Ã¤¿¾ì¹ç¤Ç¤â¥Ç¡¼¥¿¤«¤é z ¤ÎÊк¹¤ÏÆɤޤì¤Þ¤»¤ó¤Î ¤Ç¡¢¤½¤Î¾ì¹ç¤Ï½Å¤ß 1 ¤Ë¤Ê¤ê¤Þ¤¹¡£

2 ÊÑ¿ô´Ø¿ô z=f(x,y) ¤òÅö¤Æ¤Ï¤á¤ë¾ì¹ç¡¢¥Ç¡¼¥¿¤Î½ñ¼°¤Ï using ¤Ë¤è¤ë 4 ¤Ä¤Î¹àÌÜ x:y:z:s ¤¬Í׵ᤵ¤ì¤Þ¤¹¡£¤³¤ì¤Ï´°Á´¤ËÁ´¤Æ¤¬Í¿¤¨¤é¤ì¤Ê¤±¤ì¤Ð¤Ê ¤é¤º¡¢ÉÔ­¤¹¤ë¹àÌܤËÂФ·¤Æ¤Ï¤É¤ÎÎó¤â¥Ç¥Õ¥©¥ë¥È¤Ï²¾Äꤵ¤ì¤Æ¤¤¤Þ¤»¤ó¡£³Æ ¥Ç¡¼¥¿ÅÀ¤Î½Å¤ß¤Ï¾å¤ÈƱÍÍ¤Ë ’s’ ¤«¤é·×»»¤µ¤ì¤Þ¤¹¡£¤â¤·¸íº¹É¾²Á¤ò»ý¤Ã¤Æ ¤¤¤Ê¤±¤ì¤Ð¡¢Äê¿ôÃͤòÄê¿ô¼°¤È¤·¤Æ»ØÄꤹ¤ì¤Ð¤¤¤¤¤Ç¤·¤ç¤¦ (°Ê²¼»²¾È: using)¡£Î㤨¤Ð ‘using 1:2:3:(1)‘ ¤Î¤è¤¦¤Ë¡£

Åö¤Æ¤Ï¤á´Ø¿ô¤Ë¤Ï¡¢ÆÈΩÊÑ¿ô¤ò 5 ¤Ä¤Þ¤Ç»ý¤¿¤»¤é¤ì¤Þ¤¹¤¬¡¢1 ÊÑ¿ô°Ê³°¤Î¾ì ¹ç¤Ï¡¢¤½¤ÎÆÈΩÊÑ¿ô¤Î¸Ä¿ô¤è¤ê¤â 2 ¤Ä¿¤¤ using »ØÄê¤ò¤·¤Ê¤±¤ì¤Ð¤¤¤±¤Þ ¤»¤ó¡£µö¤µ¤ì¤ë½ñ¼°¡¢¤½¤·¤Æ¥Ç¥Õ¥©¥ë¥È¤Î¥À¥ß¡¼ÊÑ¿ô̾¤Ï°Ê²¼¤ÎÄ̤ê¤Ç¤¹:

      z
      x:z
      x:z:s
      x:y:z:s
      x:y:t:z:s
      x:y:t:u:z:s
      x:y:t:u:v:z:s

¥À¥ß¡¼ÊÑ¿ô̾¤Ï¡¢²¼¤Ë¤¢¤²¤ë¤è¤¦¤ËÈÏ°Ï»ØÄê¤Ë¤è¤Ã¤ÆÊѹ¹¤Ç¤­¤Þ¤¹¡£ºÇ½é¤ÎÈÏ °Ï¤Ï using »ØÄê¤ÎºÇ½é¤Î¤â¤Î¤ËÂбþ¤·¡¢°Ê²¼Æ±ÍͤǤ¹¡£z (½¾Â°ÊÑ¿ô) ¤ÎÈÏ °Ï¤â»ØÄê¤Ç¤­¤Þ¤¹¤¬¡¢¤½¤Î̾Á°¤ÏÊѹ¹¤Ç¤­¤Þ¤»¤ó¡£

Ê£¿ô¤Î¥Ç¡¼¥¿½¸¹ç¤âÊ£¿ô¤Î 1 ÊÑ¿ô´Ø¿ô¤ËƱ»þ¤ËÅö¤Æ¤Ï¤á¤ë¤³¤È¤â¡¢y ¤ò ’²¾ ÊÑ¿ô’ ¤È¤¹¤ì¤Ð²Äǽ¤Ç¤¹¡£Î㤨¤Ð¥Ç¡¼¥¿¹ÔÈÖ¹æ¤ò»È¤¤¡¢2 ÊÑ¿ô´Ø¿ô¤Ø¤ÎÅö¤Æ¤Ï ¤á¡¢¤È¤¹¤ì¤Ð¤¤¤¤¤Ç¤·¤ç¤¦¡£°Ê²¼»²¾È: ‘fit multi-branch‘¡£

‘via‘ »ØÄê»Ò¤Ï¡¢¥Ñ¥é¥á¡¼¥¿¤ÎÄ´Àá¤òľÀܤ«¡¢¤Þ¤¿¤Ï¥Ñ¥é¥á¡¼¥¿¥Õ¥¡¥¤¥ë¤ò»² ¾È¤¹¤ë¤³¤È¤Ë¤è¤Ã¤Æ¹Ô¤¦¤«¤ò»ØÄꤷ¤Þ¤¹¡£

Îã:

      f(x) = a*x**2 + b*x + c
      g(x,y) = a*x**2 + b*y**2 + c*x*y
      FIT_LIMIT = 1e-6
      fit f(x) 'measured.dat' via 'start.par'
      fit f(x) 'measured.dat' using 3:($7-5) via 'start.par'
      fit f(x) './data/trash.dat' using 1:2:3 via a, b, c
      fit g(x,y) 'surface.dat' using 1:2:3:(1) via a, b, c
      fit a0 + a1*x/(1 + a2*x/(1 + a3*x)) 'measured.dat' via a0,a1,a2,a3
      fit a*x + b*y 'surface.dat' using 1:2:3:(1) via a,b
      fit [*:*][yaks=*:*] a*x+b*yaks 'surface.dat' u 1:2:3:(1) via a,b
      fit a*x + b*y + c*t 'foo.dat' using 1:2:3:4:(1) via a,b,c
      h(x,y,t,u,v) = a*x + b*y + c*t + d*u + e*v
      fit h(x,y,t,u,v) 'foo.dat' using 1:2:3:4:5:6:(1) via a,b,c,d,e

È¿Éü¤Î¸Ä¡¹¤Î¥¹¥Æ¥Ã¥×¤Î¸å¤Ç¡¢Åö¤Æ¤Ï¤á¤Î¸½ºß¤Î¾õÂ֤ˤĤ¤¤Æ¤Î¾ÜºÙ¤Ê¾ðÊó¤¬ ²èÌ̤Ëɽ¼¨¤µ¤ì¤Þ¤¹¡£¤½¤·ºÇ½é¤ÈºÇ¸å¤Î¾õÂ֤˴ؤ¹¤ëƱ¤¸¾ðÊó¤¬ "fit.log" ¤È¤¤¤¦¥í¥°¥Õ¥¡¥¤¥ë¤Ë¤â½ñ¤­½Ð¤µ¤ì¤Þ¤¹¡£¤³¤Î¥Õ¥¡¥¤¥ë¤ÏÁ°¤ÎÅö¤Æ¤Ï¤á¤ÎÍúÎò ¤ò¾Ã¤µ¤Ê¤¤¤è¤¦¤Ë¾ï¤ËÄɲ䵤ì¤Æ¤¤¤­¤Þ¤¹¡£¤³¤ì¤Ï˾¤à¤Ê¤éºï½ü¡¢¤¢¤ë¤¤¤ÏÊÌ ¤Ê̾Á°¤Ë¤Ç¤­¤Þ¤¹¡£¥³¥Þ¥ó¥É ‘set fit logfile‘ ¤ò»È¤Ã¤Æ¥í¥°¥Õ¥¡¥¤¥ë¤Î̾ Á°¤òÊѹ¹¤¹¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£

gnuplot ¤¬¡¢‘set fit errorvariables‘ ¤ò»È¤¨¤ë¤è¤¦¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤µ¤ì¤Æ ¤¤¤Æ¡¢¤½¤Î¥³¥Þ¥ó¥É¤ò»ÈÍѤ·¤¿¾ì¹ç¡¢³ÆÅö¤Æ¤Ï¤á¥Ñ¥é¥á¡¼¥¿¤Î¸íº¹¤Ï¡¢¤½¤Î¥Ñ ¥é¥á¡¼¥¿¤È»÷¤¿Ì¾Á° ("_err" ¤¬Äɲ䵤줿̾Á°) ¤ÎÊÑ¿ô¤ËÊݸ¤µ¤ì¤Þ¤¹¡£¤è ¤Ã¤Æ¤½¤Î¸íº¹¤ò¹¹¤Ê¤ë·×»»¤ÎÆþÎϤȤ·¤Æ»ÈÍѤ¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

Åö¤Æ¤Ï¤á¤ÎÈ¿Éü¤Ï Ctrl-C ¤ò²¡¤¹¤³¤È¤ÇÃæÃǤǤ­¤Þ¤¹¡£¸½ºß¤ÎÈ¿Éü¤¬Àµ¾ï¤Ë½ª λ¤·¤¿¸å¡¢ (1) Åö¤Æ¤Ï¤á¤ò»ß¤á¤Æ¸½ºß¤Î¥Ñ¥é¥á¡¼¥¿¤ÎÃͤòºÎÍѤ¹¤ë (2) Åö¤Æ¤Ï¤á¤ò³¹Ô¤¹¤ë (3) ´Ä¶­ÊÑ¿ô FIT_SCRIPT ¤Ç»ØÄꤷ¤¿ ‘gnuplot‘ ¥³¥Þ¥ó¥É¤ò¼Â¹Ô¤¹¤ë ¤Î¤¤¤º¤ì¤«¤òÁª¤Ö¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£FIT_SCRIPT ¤Î¥Ç¥Õ¥©¥ë¥È¤Ï replot ¤Ç ¤¢¤ê¡¢¤è¤Ã¤Æ¤â¤·¥Ç¡¼¥¿¤ÈÅö¤Æ¤Ï¤á´Ø¿ô¤ò°ì¤Ä¤Î¥°¥é¥Õ¤Ë¤¢¤é¤«¤¸¤áÉÁ²è¤·¤Æ ¤¢¤ì¤Ð¡¢¸½ºß¤ÎÅö¤Æ¤Ï¤á¤Î¾õÂÖ¤òɽ¼¨¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

‘fit‘ ¤¬½ªÎ»¤·¤¿¸å¤Ï¡¢ºÇ¸å¤Î¥Ñ¥é¥á¡¼¥¿¤ÎÃͤòÊݸ¤¹¤ë¤Î¤Ë update ¥³¥Þ ¥ó¥É¤ò»È¤¤¤Þ¤¹¡£¤½¤ÎÃͤϺƤӥѥé¥á¡¼¥¿¤ÎÃͤȤ·¤Æ»È¤¦¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ ¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: update¡£

3.7.1 ¥Ñ¥é¥á¡¼¥¿¤ÎÄ´À° (adjustable parameters)

‘via‘ ¤Ï¥Ñ¥é¥á¡¼¥¿¤òÄ´À᤹¤ë¤¿¤á¤Î 2 ¤Ä¤ÎÊýË¡¤ò»ØÄê¤Ç¤­¤Þ¤¹¡£°ì¤Ä¤Ï ¥³¥Þ¥ó¥É¥é¥¤¥ó¤«¤éľÀܻؼ¨¤¹¤ë¤â¤Î¤Ç¡¢¤â¤¦°ì¤Ä¤Ï¥Ñ¥é¥á¡¼¥¿¥Õ¥¡¥¤¥ë¤ò »²¾È¤·¤Æ´ÖÀÜŪ¤Ë¹Ô¤¦¤â¤Î¤Ç¤¹¡£¤³¤Î 2 ¤Ä¤Ï½é´üÃͤÎÀßÄê¤Ç°ã¤Ã¤¿ÊýË¡¤ò¼è ¤ê¤Þ¤¹¡£

Ä´À°¤¹¤ë¥Ñ¥é¥á¡¼¥¿¤Ï¡¢‘via‘ ¥­¡¼¥ï¡¼¥É¤Î¸å¤í¤Ë¥³¥ó¥Þ¤Ç¶èÀÚ¤é¤ì¤¿ÊÑ¿ô̾ ¤Î¥ê¥¹¥È¤ò½ñ¤¯¤³¤È¤Ç»ØÄê¤Ç¤­¤Þ¤¹¡£ÄêµÁ¤µ¤ì¤Æ¤¤¤Ê¤¤ÊÑ¿ô¤Ï½é´üÃÍ 1.0 ¤È ¤·¤Æºî¤é¤ì¤Þ¤¹¡£¤·¤«¤·Åö¤Æ¤Ï¤á¤Ï¡¢ÊÑ¿ô¤Î½é´üÃͤ¬¤¢¤é¤«¤¸¤áŬÀÚ¤ÊÃͤËÀß Äꤵ¤ì¤Æ¤¤¤ëÊý¤¬Â¿Ê¬Â®¤¯¼ý«¤¹¤ë¤Ç¤·¤ç¤¦¡£

¥Ñ¥é¥á¡¼¥¿¥Õ¥¡¥¤¥ë¤Ï¸Ä¡¹¤Î¥Ñ¥é¥á¡¼¥¿¤ò¡¢¸ÄÊÌ¤Ë 1 ¹Ô¤Ë°ì¤Ä¤º¤Ä¡¢½é´üÃͤò ¼¡¤Î¤è¤¦¤Ê·Á¤Ç»ØÄꤷ¤Æ½ñ¤­¤Þ¤¹¡£

      ÊÑ¿ô̾ = ½é´üÃÍ

’#’ ¤Ç»Ï¤Þ¤ë¥³¥á¥ó¥È¹Ô¤ä¶õ¹Ô¤âµö¤µ¤ì¤Þ¤¹¡£ÆÃÊ̤ʷÁ¼°¤È¤·¤Æ

      ÊÑ¿ô̾ = ½é´üÃÍ       # FIXED

¤Ï¡¢¤³¤ÎÊÑ¿ô¤¬¸ÇÄꤵ¤ì¤¿¥Ñ¥é¥á¡¼¥¿¤Ç¤¢¤ë¤³¤È¤ò°ÕÌ£¤·¡¢¤½¤ì¤Ï¤³¤Î¥Õ¥¡¥¤ ¥ë¤Ç½é´ü²½¤µ¤ì¤Þ¤¹¤¬¡¢Ä´Àá¤Ï¤µ¤ì¤Þ¤»¤ó¡£¤³¤ì¤Ï¡¢‘fit‘ ¤Ç¥ì¥Ý¡¼¥È¤µ¤ì¤ë ÊÑ¿ô¤ÎÃæ¤Ç¡¢¤É¤ì¤¬¸ÇÄꤵ¤ì¤¿ÊÑ¿ô¤Ç¤¢¤ë¤«¤òÌÀ¼¨¤¹¤ë¤Î¤ËÍ­ÍѤǤ·¤ç¤¦¡£¤Ê ¤ª¡¢‘# FIXED‘ ¤È¸À¤¦¥­¡¼¥ï¡¼¥É¤Ï¸·Ì©¤Ë¤³¤Î·Á¤Ç¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£

3.7.2 fit ¤Î³µÎ¬ (fit beginners_guide)

‘fit‘ ¤Ï¡¢Í¿¤¨¤é¤ì¤¿¥Ç¡¼¥¿ÅÀ¤òÍ¿¤¨¤é¤ì¤¿¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤Ë¤â¤Ã¤È¤âÎɤ¯ Åö¤Æ¤Ï¤á¤ë¤è¤¦¤Ê¥Ñ¥é¥á¡¼¥¿¤ò¸«¤Ä¤±¤ë¤Î¤Ë»È¤ï¤ì¤Þ¤¹¡£¤½¤ÎÅö¤Æ¤Ï¤á¤Ï¡¢ Ʊ¤¸¾ì½ê¤Ç¤ÎÆþÎϥǡ¼¥¿ÅÀ¤È´Ø¿ôÃͤȤμ«¾è¸íº¹¡¢¤¢¤ë¤¤¤Ï»Äº¹ (SSR:Sum of the Squared Residuals) ¤ÎϤò´ð¤ËȽÄꤵ¤ì¤Þ¤¹¡£¤³¤ÎÎ̤ÏÄ̾ï¦Ö(¥«¥¤) ¼«¾è¤È¸Æ¤Ð¤ì¤Þ¤¹¡£¤³¤Î¥¢¥ë¥´¥ê¥º¥à¤Ï SSR ¤ò ºÇ¾®²½¤¹¤ë¤³¤È¤ò¤·¤è¤¦¤È ¤·¤Þ¤¹¡£¤â¤¦¾¯¤·¾Ü¤·¤¯¸À¤¦¤È¡¢¥Ç¡¼¥¿¸íº¹ (¤Þ¤¿¤Ï 1.0) ¤Î½Å¤ß¤Ä¤­»Äº¹¤Î ¼«¾èÏ (WSSR) ¤ÎºÇ¾®²½¤ò¹Ô¤Ã¤Æ¤¤¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: ‘fit error_estimates‘¡£

¤³¤ì¤¬¡¢(ÈóÀþ·Á) ºÇ¾®¼«¾èÅö¤Æ¤Ï¤áË¡¤È¸Æ¤Ð¤ì¤ë¤æ¤¨¤ó¤Ç¤¹¡£‘ÈóÀþ·Á‘ ¤¬ ²¿¤ò°ÕÌ£¤·¤Æ¤¤¤ë¤Î¤«¤ò¸«¤ë¤¿¤á¤ÎÎã¤ò¾Ò²ð¤·¤Þ¤¹¤¬¡¢¤½¤ÎÁ°¤Ë¤¤¤¯¤Ä¤«¤Î ²¾Äê¤Ë¤Ä¤¤¤Æ½Ò¤Ù¤Æ¤ª¤­¤Þ¤¹¡£¤³¤³¤Ç¤Ï´Êñ¤Î¤¿¤á¡¢1 ÊÑ¿ô¤Î¥æ¡¼¥¶¡¼ÄêµÁ ´Ø¿ô¤Ï z=f(x), 2 ÊÑ¿ô¤Î´Ø¿ô¤Ï z=f(x,y) ¤Î¤è¤¦¤Ë¤·¡¢¤¤¤º¤ì¤â½¾Â°ÊÑ¿ô¤È ¤·¤Æ z ¤òÍѤ¤¤ë¤³¤È¤Ë¤·¤Þ¤¹¡£¥Ñ¥é¥á¡¼¥¿¤È¤Ï ‘fit‘ ¤¬Ä´À°¤·¤ÆŬÀÚ¤ÊÃͤò ·èÄꤹ¤ë¥æ¡¼¥¶ÄêµÁÊÑ¿ô¤Ç¡¢´Ø¿ô¤ÎÄêµÁ¼°Ãæ¤Î̤Ãοô¤Ç¤¹¡£¤³¤³¤Ç¸À¤¦¡¢Àþ·Á À­/ÈóÀþ·ÁÀ­¤È¤Ï¡¢½¾Â°ÊÑ¿ô z ¤È ‘fit‘ ¤¬Ä´À°¤¹¤ë¥Ñ¥é¥á¡¼¥¿¤È¤Î´Ø·¸¤ËÂÐ ¤¹¤ë¤â¤Î¤Ç¤¢¤ê¡¢z ¤ÈÆÈΩÊÑ¿ô x (¤Þ¤¿¤Ï x ¤È y) ¤È¤Î´Ø·¸¤Î¤³¤È¤Ç¤Ï¤¢¤ê ¤Þ¤»¤ó (¿ô³ØŪ¤Ë½Ò¤Ù¤ë¤È¡¢Àþ·ÁºÇ¾®¼«¾èÌäÂê¤Ç¤Ï¡¢Åö¤Æ¤Ï¤á´Ø¿ô¤Î¥Ñ¥é¥á¡¼ ¥¿¤Ë¤è¤ë 2 ³¬ (¤½¤·¤Æ¹¹¤Ë¹â³¬¤Î) Ƴ´Ø¿ô¤Ï 0¡¢¤È¤¤¤¦¤³¤È¤Ë¤Ê¤ê¤Þ¤¹)¡£

Àþ·ÁºÇ¾®¼«¾èË¡ (LLS) ¤Ç¤Ï¡¢¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤Ïñ½ã¤Ê´Ø¿ô¤ÎϤǤ¢¤ê¡¢¤½¤ì ¤¾¤ì¤Ï°ì¤Ä¤Î¥Ñ¥é¥á¡¼¥¿¤ÎÄê¿ôÇܤǾ¤Î¥Ñ¥é¥á¡¼¥¿¤ò´Þ¤Þ¤Ê¤¤¹à¤Ë¤Ê¤ê¤Þ¤¹¡£ ÈóÀþ·ÁºÇ¾®¼«¾èË¡ (NLLS) ¤Ç¤Ï¤è¤êÊ£»¨¤Ê´Ø¿ô¤ò°·¤¤¡¢¥Ñ¥é¥á¡¼¥¿¤Ï¿§¤ó¤Ê »È¤ï¤ìÊý¤ò¤µ¤ì¤Þ¤¹¡£¥Õ¡¼¥ê¥¨µé¿ô¤ÏÀþ·Á¤ÈÈóÀþ·Á¤ÎºÇ¾®¼«¾èË¡¤Î°ã¤¤¤òɽ¤¹ °ì¤Ä¤ÎÎã¤Ç¤¹¡£¥Õ¡¼¥ê¥¨µé¿ô¤Ç¤Ï°ì¤Ä¤Î¹à¤Ï

     z=a*sin(c*x) + b*cos(c*x).

¤Î¤è¤¦¤Ëɽ¤µ¤ì¤Þ¤¹¡£¤â¤·¡¢a ¤È b ¤¬Ì¤ÃΤʥѥé¥á¡¼¥¿¤Ç c ¤ÏÄê¿ô¤À¤È¤¹¤ì¤Ð ¥Ñ¥é¥á¡¼¥¿¤Îɾ²Á¤ÏÀþ·ÁºÇ¾®¼«¾èÌäÂê¤Ë¤Ê¤ê¤Þ¤¹¡£¤·¤«¤·¡¢c ¤¬Ì¤ÃΤʥѥé¥á¡¼ ¥¿¤Ê¤é¤Ð¤½¤ì¤ÏÈóÀþ·ÁÌäÂê¤Ë¤Ê¤ê¤Þ¤¹¡£

Àþ·Á¤Î¾ì¹ç¡¢¥Ñ¥é¥á¡¼¥¿¤ÎÃͤÏÈæ³ÓŪ´Êñ¤ÊÀþ·ÁÂå¿ô¤ÎľÀÜË¡¤Ë¤è¤Ã¤Æ·èÄê¤Ç ¤­¤Þ¤¹¡£¤·¤«¤·¤½¤Î¤è¤¦¤Ê LLS ¤ÏÆüì¤Ê¾ì¹ç¤Ç¤¢¤ê¡¢’gnuplot’ ¤¬»ÈÍѤ¹¤ë È¿ÉüË¡¤Ï¡¢¤â¤Á¤í¤ó¤½¤ì¤â´Þ¤á¤Æ¡¢¤è¤ê°ìÈÌŪ¤Ê NLLS ÌäÂê¤ò²ò¤¯¤³¤È¤¬¤Ç¤­ ¤Þ¤¹¡£‘fit‘ ¤Ï¸¡º÷¤ò¹Ô¤¦¤³¤È¤ÇºÇ¾®Ãͤòõ¤½¤¦¤È¤·¤Þ¤¹¡£È¿Éü¤Î³Æ¥¹¥Æ¥Ã¥× ¤Ï¡¢¥Ñ¥é¥á¡¼¥¿¤Î¿·¤·¤¤ÃͤÎÁȤËÂФ·¤Æ WSSR ¤ò·×»»¤·¤Þ¤¹¡£Marquardt- Levenberg ¤Î¥¢¥ë¥´¥ê¥º¥à¤Ï¼¡¤Î¥¹¥Æ¥Ã¥×¤Î¥Ñ¥é¥á¡¼¥¿¤ÎÃͤòÁªÂò¤·¤Þ¤¹¡£¤½ ¤·¤Æ¤½¤ì¤Ï¤¢¤é¤«¤¸¤áÍ¿¤¨¤¿´ð½à¡¢¤¹¤Ê¤ï¤Á¡¢(1) Åö¤Æ¤Ï¤á¤¬ "¼ý«¤·¤¿" (WSSR ¤ÎÁêÂÐ¸íº¹¤¬ FIT_LIMIT ¤è¤ê¾®¤µ¤¯¤Ê¤Ã¤¿¾ì¹ç)¡¢¤Þ¤¿¤Ï (2) ¤¢¤é¤« ¤¸¤áÀßÄꤵ¤ì¤¿È¿Éü¿ô¤Î¸Â³¦ FIT_MAXITER (°Ê²¼»²¾È: variables) ¤Ë㤷¤¿¾ì¹ç¡¢¤Î¤¤¤º¤ì¤«¤òËþ¤¿¤¹¤Þ¤Ç³¤±¤é¤ì ¤Þ¤¹¡£¥­¡¼¥Ü¡¼¥É¤«¤é¤½¤ÎÅö¤Æ¤Ï¤á¤ÎÈ¿Éü¤ÏÃæÃǤǤ­¤Þ¤¹¤·¡¢¤½¤ì¤Ë³¤¤¤ÆÃæ »ß¤¹¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹ (°Ê²¼»²¾È: ‘fit‘)¡£¥æ¡¼¥¶ÊÑ¿ô FIT_CONVERGED ¤Ï¡¢ ľÁ°¤Î fit ¥³¥Þ¥ó¥É¤¬¼ý«¤Ë¤è¤ê½ªÎ»¤·¤¿¾ì¹ç¤Ï 1 ¤ò´Þ¤ß¡¢¤½¤ì°Ê³°¤ÎÍýͳ ¤ÇÃæÃǤ·¤¿¾ì¹ç¤Ï 0 ¤ò´Þ¤ß¤Þ¤¹¡£

Åö¤Æ¤Ï¤á¤Ë»È¤ï¤ì¤ë´Ø¿ô¤Ï¤·¤Ð¤·¤Ð¤¢¤ë¥â¥Ç¥ë (¤Þ¤¿¤Ï¤¢¤ëÍýÏÀ) ¤ò¸µ¤Ë¤·¤Æ ¤¤¤Æ¡¢¤½¤ì¤Ï¥Ç¡¼¥¿¤Î¿¶Éñ¤òµ­½Ò¤·¤¿¤ê¡¢¤¢¤ë¤¤¤Ïͽ¬¤·¤è¤¦¤È¤·¤Þ¤¹¡£¤è¤Ã ¤Æ ‘fit‘ ¤Ï¡¢¥Ç¡¼¥¿¤¬¤½¤Î¥â¥Ç¥ë¤Ë¤É¤ì¤¯¤é¤¤¤¦¤Þ¤¯Åö¤Æ¤Ï¤Þ¤Ã¤Æ¤¤¤ë¤Î¤«¤ò ·èÄꤹ¤ë¤¿¤á¡¢¤½¤·¤Æ¸Ä¡¹¤Î¥Ñ¥é¥á¡¼¥¿¤Î¸íº¹¤ÎÈϰϤòɾ²Á¤¹¤ë¤¿¤á¤Ë¡¢¥â¥Ç ¥ë¤Î¼«Í³¤Ê¥Ñ¥é¥á¡¼¥¿¤ÎÃͤòµá¤á¤ë¤Î¤Ë»È¤ï¤ì¤Þ¤¹¡£°Ê²¼»²¾È: ‘fit error_estimates‘¡£

¤½¤¦¤Ç¤Ê¤±¤ì¤Ð¡¢¶ÊÀþ¤Ë¤è¤ëÅö¤Æ¤Ï¤á¤Ë¤ª¤±¤ë´Ø¿ô¤Ï¡¢¥â¥Ç¥ë¤È¤Ï̵´Ø·¸¤ËÁª ¤Ð¤ì¤Æ¤¤¤Þ¤¹ (¤½¤ì¤Ï½½Ê¬¤Êɽ¸½ÎϤȺǤ⾯¤Ê¤¤¿ô¤Î¥Ñ¥é¥á¡¼¥¿¤ò»ý¤Á¡¢¥Ç¡¼ ¥¿¤Î·¹¸þ¤òµ­½Ò¤·¤½¤¦¤Ê´Ø¿ô¤È¤·¤Æ·Ð¸³¤Ë´ð¤Å¤¤¤ÆÁª¤Ð¤ì¤ë¤Ç¤·¤ç¤¦)¡£

¤·¤«¤·¡¢¤â¤·¤¢¤Ê¤¿¤¬Á´¤Æ¤Î¥Ç¡¼¥¿ÅÀ¤òÄ̤ë¤è¤¦¤Ê³ê¤é¤«¤Ê¶ÊÀþ¤òÍߤ·¤¤¤Ê¤é ‘fit‘ ¤Ç¤Ï¤Ê¤¯¡¢¤à¤·¤í plot ¤Î smooth ¥ª¥×¥·¥ç¥ó¤Ç¤½¤ì¤ò¹Ô¤¦¤Ù¤­¤Ç ¤·¤ç¤¦¡£

3.7.3 ¸íº¹É¾²Á (error estimates)

‘fit‘ ¤Ë¤ª¤¤¤Æ "¸íº¹" ¤È¤¤¤¦ÍѸì¤Ï 2 ¤Ä¤Î°Û¤Ê¤Ã¤¿Ê¸Ì®¤ÇÍѤ¤¤é¤ì¤Þ¤¹¡£ °ì¤Ä¤Ï¥Ç¡¼¥¿¸íº¹¡¢¤â¤¦°ì¤Ä¤Ï¥Ñ¥é¥á¡¼¥¿¸íº¹¤Ç¤¹¡£

¥Ç¡¼¥¿¸íº¹¤Ï¡¢Ê¿Êý»Äº¹¤Î½Å¤ßÉÕ¤­¤ÎÏ WSSR¡¢¤¹¤Ê¤ï¤Á¦Ö¼«¾è¤ò·èÄꤹ¤ëºÝ ¸Ä¡¹¤Î¥Ç¡¼¥¿ÅÀ¤ÎÁêÂÐŪ¤Ê½Å¤ß¤ò·×»»¤¹¤ë¤Î¤ËÍѤ¤¤é¤ì¤Þ¤¹¡£¤½¤ì¤é¤Ï¥Ñ¥é¥á ¡¼¥¿¤Îɾ²Á¤Ë±Æ¶Á¤òÍ¿¤¨¤Þ¤¹¡£¤½¤ì¤Ï¡¢¤½¤ì¤é¤¬¡¢Åö¤Æ¤Ï¤á¤é¤ì¤¿´Ø¿ô¤«¤é¤Î ¸Ä¡¹¤Î¥Ç¡¼¥¿ÅÀ¤ÎÊк¹¤¬ºÇ½ªÅª¤ÊÃͤËÍ¿¤¨¤ë±Æ¶Á¤ÎÂ礭¤µ¤ò·èÄꤹ¤ë¤³¤È¤Ë¤è ¤ê¤Þ¤¹¡£Àµ³Î¤Ê¥Ç¡¼¥¿¸íº¹É¾²Á¤¬Í¿¤¨¤é¤ì¤Æ¤¤¤ë¾ì¹ç¤Ë¤Ï¡¢¥Ñ¥é¥á¡¼¥¿¤Î¸íº¹ ɾ²ÁÅù¤Î ‘fit‘ ¤¬½ÐÎϤ¹¤ë¾ðÊó¤Ï¤è¤êÌò¤ËΩ¤Ä¤Ç¤·¤ç¤¦¡£

’statistical overview’ ¤Ç¤Ï ‘fit‘ ¤Î½ÐÎϤΤ¤¤¯¤Ä¤«¤òÀâÌÀ¤·¡¢ ’practical guidelines’ ¤ËÂФ¹¤ëÇطʤò½Ò¤Ù¤Æ¤¤¤Þ¤¹¡£

3.7.3.1 Åý·×Ū¤Ê³µÍ× (statistical overview)

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      FIT_STDFIT = sqrt(WSSR/NDF)

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3.7.3.2 ¼ÂÍÑŪ¤Ê¥¬¥¤¥É¥é¥¤¥ó (practical guidelines)

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3.7.4 À©¸æ (control)

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      FIT_LOG

¤Ï¡¢Åö¤Æ¤Ï¤á¤Î¥í¥°¤¬½ñ¤«¤ì¤ë¥Õ¥¡¥¤¥ë̾ (¤ª¤è¤Ó¥Ñ¥¹) ¤òÊѹ¹¤·¤Þ¤¹¡£¥Ç¥Õ ¥©¥ë¥È¤Ç¤Ï¡¢ºî¶È¥Ç¥£¥ì¥¯¥È¥ê¾å¤Î "fit.log" ¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£¤½¤Î¥Ç¥Õ¥© ¥ë¥È¤ÎÃͤϥ³¥Þ¥ó¥É ‘set fit logfile‘ ¤ò»È¤Ã¤Æ¾å½ñ¤­¤Ç¤­¤Þ¤¹¡£

      FIT_SCRIPT

¤Ï¡¢¥æ¡¼¥¶¤¬ÃæÃǤ·¤¿¸å¤Ë¼Â¹Ô¤¹¤ë¥³¥Þ¥ó¥É¤ò»ØÄꤷ¤Þ¤¹¡£¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï replot ¤Ç¤¹¤¬¡¢plot ¤ä ‘load‘ ¥³¥Þ¥ó¥É¤È¤¹¤ì¤Ð¡¢Åö¤Æ¤Ï¤á¤Î¿Ê¹Ô¾õ ¶·¤Îɽ¼¨¤ò¥«¥¹¥¿¥Þ¥¤¥º¤¹¤ë¤Î¤ËÊØÍø¤Ç¤·¤ç¤¦¡£

3.7.5 Ê£¿ô¤ÎÅö¤Æ¤Ï¤á (multi-branch)

Ê£¿ôÅö¤Æ¤Ï¤áË¡ (multi-branch fitting) ¤Ç¤Ï¡¢Ê£¿ô¤Î¥Ç¡¼¥¿½¸¹ç¤ò¡¢¶¦Ä̤Π¥Ñ¥é¥á¡¼¥¿¤ò»ý¤ÄÊ£¿ô¤Î 1 ÊÑ¿ô¤Î´Ø¿ô¤Ë¡¢WSSR ¤ÎÁíϤòºÇ¾®²½¤¹¤ë¤³¤È¤Ë¤è ¤Ã¤ÆƱ»þ¤ËÅö¤Æ¤Ï¤á¤ë¤³¤È¤¬½ÐÍè¤Þ¤¹¡£³Æ¥Ç¡¼¥¿½¸¹ç¤ËÂФ¹¤ë´Ø¿ô¤È¥Ñ¥é¥á¡¼ ¥¿ (»Þ) ¤Ï ’µ¿»÷ÊÑ¿ô’ ¤ò»È¤¦¤³¤È¤ÇÁªÂò¤Ç¤­¤Þ¤¹¡£Î㤨¤Ð¡¢¥Ç¡¼¥¿¹ÔÈÖ¹æ (-1; ’¥Ç¡¼¥¿Îó’ ¤ÎÈÖ¹æ) ¤Þ¤¿¤Ï¥Ç¡¼¥¿¥Õ¥¡¥¤¥ëÈÖ¹æ (-2) ¤ò 2 ¤ÄÌܤÎÆÈΩ ÊÑ¿ô¤È¤·¤Þ¤¹¡£

Îã: 2 ¤Ä¤Î»Ø¿ô¸º¿ê·Á z=f(x) ¤¬Í¿¤¨¤é¤ì¤Æ¤¤¤Æ¡¢¤½¤ì¤¾¤ì°Û¤Ê¤ë¥Ç¡¼¥¿½¸¹ç ¤òµ­½Ò¤·¤Æ¤¤¤ë¤¬¡¢¶¦Ä̤·¤¿¸º¿ê»þ´Ö¤ò»ý¤Á¡¢¤½¤Î¥Ñ¥é¥á¡¼¥¿¤ÎÃͤòɾ²Á¤¹¤ë¡£ ¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤¬ x:z:s ¤Î·Á¼°¤Ç¤¢¤Ã¤¿¤È¤¹¤ë¤È¡¢¤³¤Î¾ì¹ç°Ê²¼¤Î¤è¤¦¤Ë¤¹ ¤ì¤Ð¤è¤¤¡£

     f(x,y) = (y==0) ? a*exp(-x/tau) : b*exp(-x/tau)
     fit f(x,y) 'datafile' using  1:-2:2:3  via a, b, tau

¤è¤êÊ£»¨¤ÊÎã¤Ë¤Ä¤¤¤Æ¤Ï¡¢¥Ç¥â¥Õ¥¡¥¤¥ë "fit.dem" ¤Ç»È¤ï¤ì¤ë "hexa.fnc" ¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£

¤â¤·½¾Â°ÊÑ¿ô¤Î¥¹¥±¡¼¥ë¤Ëº¹¤¬¤¢¤ë¾ì¹ç¡¢Ã±°Ì¤Î½Å¤ßÉÕ¤±¤Ç¤Ï 1 ¤Ä¤Î»Þ¤¬»Ù ÇÛ¤·¤Æ¤·¤Þ¤¦²ÄǽÀ­¤¬¤¢¤ë¤Î¤Ç¡¢Å¬Åö¤Ê½Å¤ßÉÕ¤±¤¬É¬Íפˤʤê¤Þ¤¹¡£³Æ»Þ¤ò¥Ð ¥é¥Ð¥é¤ËÅö¤Æ¤Ï¤á¤ë¤Î¤ËÊ£¿ôÅö¤Æ¤Ï¤áË¡¤Î²ò¤ò½é´üÃͤȤ·¤ÆÍѤ¤¤ë¤Î¤Ï¡¢Á´ÂÎ ¤ò¹ç¤ï¤»¤¿²ò¤Î³Æ»Þ¤ËÂФ¹¤ëÁêÂÐŪ¤Ê±Æ¶Á¤Ë´Ø¤¹¤ëɽ¼¨¤òÍ¿¤¨¤ë¤³¤È¤Ë¤Ê¤ë¤Ç ¤·¤ç¤¦¡£

3.7.6 ½é´üÃÍ (starting values)

ÈóÀþ·ÁÅö¤Æ¤Ï¤á¤Ï¡¢Âç°èŪ¤ÊºÇŬÃÍ (»Äº¹¤Î¼«¾èÏ (SSR) ¤ÎºÇ¾®Ãͤò»ý¤Ä²ò) ¤Ø¤Î¼ý«¤ÏÊݾڤϤ·¤Þ¤»¤ó¤¬¡¢¶É½êŪ¤Ê¶Ë¾®ÃͤòÍ¿¤¨¤ë¤³¤È¤Ï¤Ç¤­¤Þ¤¹¡£¤½¤Î ¥µ¥Ö¥ë¡¼¥Á¥ó¤Ï¤½¤ì¤ò·èÄꤹ¤ëÊýË¡¤ò²¿¤â»ý¤Á¹ç¤ï¤»¤Æ¤¤¤Ê¤¤¤Î¤Ç¡¢¤³¤ì¤¬µ¯ ¤³¤Ã¤¿¤«¤É¤¦¤«¤òȽÃǤ¹¤ë¤Î¤Ï¤¢¤Ê¤¿¤ÎÀÕǤ¤È¤Ê¤ê¤Þ¤¹¡£

‘fit‘ ¤Ï¡¢²ò¤«¤é±ó¤¯¤«¤é»Ï¤á¤ë¤È¼ºÇÔ¤¹¤ë¤«¤âÃΤì¤Þ¤»¤ó¤·¡¢¤·¤Ð¤·¤Ð¤½¤ì ¤Ïµ¯¤³¤êÆÀ¤Þ¤¹¡£±ó¤¯¤È¤¤¤¦¤Î¤Ï¡¢SSR ¤¬Â礭¤¯¡¢¥Ñ¥é¥á¡¼¥¿¤ÎÊѲ½¤ËÂФ·¤Æ ¤½¤ÎÊѲ½¤¬¾®¤µ¤¤¡¢¤¢¤ë¤¤¤Ï¿ôÃÍŪ¤ËÉÔ°ÂÄê¤ÊÎΰè (Î㤨¤Ð¿ôÃͤ¬Â礭¤¹¤®¤Æ ÉâÆ°¾®¿ô¤Î·å¤¢¤Õ¤ì¤òµ¯¤³¤¹) ¤ËÅþ㤷¤Æ¤·¤Þ¤Ã¤Æ¡¢¤½¤Î·ë²Ì "̤ÄêµÁÃÍ (undefined value)" ¤Î¥á¥Ã¥»¡¼¥¸¤« ‘gnuplot‘ ¤ÎÄä»ß¤ò°ú¤­µ¯¤³¤·¤Æ¤·¤Þ¤¦ ¤è¤¦¤Ê¾ì¹ç¤ò°ÕÌ£¤·¤Þ¤¹¡£

Âç°èŪ¤ÊºÇŬÃͤò¸«¤Ä¤±¤ë²ÄǽÀ­¤ò²þÁ±¤¹¤ë¤Ë¤Ï¡¢ºÇ½é¤ÎÃͤò¤½¤Î²ò¤Ë¾¯¤Ê¤¯ ¤È¤â¤Û¤Ü¶á¤¯¤Ë¼è¤ë¤Ù¤­¤Ç¤·¤ç¤¦¡£Î㤨¤Ð¡¢¤â¤·²Äǽ¤Ê¤é¤Ð°ì·åʬ¤ÎÂ礭¤µ¤Î ÈÏ°ÏÆâ¤Ç¡£ºÇ½é¤ÎÃͤ¬²ò¤Ë¶á¤¤¤Û¤É¾¤Î²ò¤Ç½ªÎ»¤·¤Æ¤·¤Þ¤¦²ÄǽÀ­¤ÏÄ㤯¤Ê¤ê ¤Þ¤¹¡£ºÇ½é¤ÎÃͤò¸«¤Ä¤±¤ë°ì¤Ä¤ÎÊýË¡¤Ï¡¢¥Ç¡¼¥¿¤ÈÅö¤Æ¤Ï¤á´Ø¿ô¤òƱ¤¸¥°¥é¥Õ ¤Î¾å¤ËÉÁ²è¤·¤ÆŬÅö¤Ê¶á¤µ¤Ë㤹¤ë¤Þ¤Ç¡¢¥Ñ¥é¥á¡¼¥¿¤ÎÃͤòÊѹ¹¤·¤Æ replot ¤¹¤ë¤³¤È¤ò·«¤êÊÖ¤¹¤³¤È¤Ç¤¹¡£¤½¤ÎÉÁ²è¤Ï¡¢¤è¤¯¤Ê¤¤Åö¤Æ¤Ï¤á¤Î¶Ë¾®ÃͤÇÅö¤Æ ¤Ï¤á¤¬½ªÎ»¤·¤¿¤«¤É¤¦¤«¤ò¥Á¥§¥Ã¥¯¤¹¤ë¤Î¤Ë¤âÍ­ÍѤǤ¹¡£

¤â¤Á¤í¤ó¡¢Å¬ÅÙ¤ËÎɤ¤Åö¤Æ¤Ï¤á¤¬¡¢"¤½¤ì¤è¤ê¤è¤¤" Åö¤Æ¤Ï¤á (¤¢¤ë²þÎɤµ¤ì ¤¿Åö¤Æ¤Ï¤á¤ÎÎɤµ¤Î´ð½à¤Ë¤è¤Ã¤ÆÆÃħÉÕ¤±¤é¤ì¤¿Åý·×³ØŪ¤Ê°ÕÌ£¤Ç¡¢¤¢¤ë¤¤¤Ï ¤½¤Î¥â¥Ç¥ë¤Î¤è¤êŬÀڤʲò¤Ç¤¢¤ë¡¢¤È¤¤¤¦ÊªÍýŪ¤Ê°ÕÌ£¤Ç) ¤¬Â¸ºß¤·¤Ê¤¤¤³¤È ¤Î¾ÚÌÀ¤Ë¤Ï¤Ê¤ê¤Þ¤»¤ó¡£ÌäÂê¤Ë¤è¤Ã¤Æ¤Ï¡¢³Æ¥Ñ¥é¥á¡¼¥¿¤Î°ÕÌ£¤Î¤¢¤ëÈϰϤò¥« ¥Ð¡¼¤¹¤ë¤è¤¦¤ÊÍÍ¡¹¤Ê½é´üÃͤν¸¹ç¤ËÂФ·¤Æ ‘fit‘ ¤¹¤ë¤³¤È¤¬Ë¾¤Þ¤·¤¤¤«¤â ÃΤì¤Þ¤»¤ó¡£

3.7.7 ¥Ò¥ó¥È (tips)

¤³¤³¤Ç¤Ï¡¢‘fit‘ ¤òºÇÂç¸Â¤ËÍøÍѤ¹¤ë¤¿¤á¤Ë¤¤¤¯¤Ä¤«³Ð¤¨¤Æ¤ª¤¯¤Ù¤­¥Ò¥ó¥È¤ò ¾Ò²ð¤·¤Þ¤¹¡£¤½¤ì¤é¤ÏÁÈ¿¥Åª¤Ç¤Ï¤Ê¤¤¤Î¤Ç¡¢¤½¤ÎËܼÁ¤¬¤·¤ß¹þ¤à¤Þ¤Ç²¿²ó¤â¤è ¤¯Æɤó¤Ç¤¯¤À¤µ¤¤¡£

‘fit‘ ¤Î°ú¿ô¤Î ‘via‘ ¤Ë¤Ï¡¢2 ¤Ä¤ÎÂ礭¤¯°Û¤Ê¤ëÌÜŪ¤Î¤¿¤á¤Î 2 ¤Ä¤Î·Á¼°¤¬ ¤¢¤ê¤Þ¤¹¡£‘via "file"‘ ¤Î·Á¼°¤Ï¡¢¥Ð¥Ã¥Á½èÍý (ÈóÂÐÏ÷¿¤Ç¤Î¼Â¹Ô¤¬²Äǽ) ¤ÇºÇ¤âÎɤ¯»È¤ï¤ì¡¢¤½¤Î¥Õ¥¡¥¤¥ë¤Ç½é´üÃͤòÍ¿¤¨¡¢¤Þ¤¿¤½¤Î¸å¤Ç·ë²Ì¤ò¾¤Î (¤Þ¤¿¤Ï Ʊ¤¸) ¥Ñ¥é¥á¡¼¥¿¥Õ¥¡¥¤¥ë¤Ë¥³¥Ô¡¼¤¹¤ë¤¿¤á¤Ë update ¤ò»È¤¦¤³ ¤È¤â½ÐÍè¤Þ¤¹¡£

‘via var1, var2, ...‘ ¤Î·Á¼°¤ÏÂÐÏ÷¿¤Î¼Â¹Ô¤ÇÎɤ¯»È¤ï¤ì¡¢¥³¥Þ¥ó¥É¥Ò¥¹¥È ¥ê¤Îµ¡¹½¤¬»È¤Ã¤Æ¥Ñ¥é¥á¡¼¥¿¥ê¥¹¥È¤ÎÊÔ½¸¤ò¹Ô¤¤¡¢Åö¤Æ¤Ï¤á¤ò¼Â¹Ô¤·¤¿¤ê¡¢¤¢ ¤ë¤¤¤Ï¿·¤·¤¤½é´üÃͤòÍ¿¤¨¤Æ¼¡¤Î¼Â¹Ô¤ò¹Ô¤Ê¤Ã¤¿¤ê¤·¤Þ¤¹¡£¤³¤ì¤ÏÆñ¤·¤¤ÌäÂê ¤ËÂФ·¤Æ¤ÏÆäËÍ­ÍѤǡ¢Á´¤Æ¤Î¥Ñ¥é¥á¡¼¥¿¤ËÂФ·¤Æ 1 ÅÙ¤À¤±Åö¤Æ¤Ï¤á¤òľÀÜ ¼Â¹Ô¤·¤Æ¤â¡¢Îɤ¤½é´üÃͤǤʤ±¤ì¤Ð¤¦¤Þ¤¯¤¤¤«¤Ê¤¤¤³¤È¤¬µ¯¤³¤êÆÀ¤ë¤«¤é¤Ç¤¹¡£ ¤½¤ì¤ò¸«¤Ä¤±¤ë¤Ë¤Ï¡¢¤¤¤¯¤Ä¤«¤Î¥Ñ¥é¥á¡¼¥¿¤Î¤ß¤ËÂФ·¤Æ²¿²ó¤«È¿Éü¤ò¹Ô¤Ê¤¤¡¢ ºÇ½ªÅª¤Ë¤ÏÁ´¤Æ¤Î¥Ñ¥é¥á¡¼¥¿¤ËÂФ¹¤ë 1 ÅÙ¤ÎÅö¤Æ¤Ï¤á¤¬¤¦¤Þ¤¯¤¤¤¯¤È¤³¤í¤Ë ½½Ê¬¶á¤¯¤Ê¤ë¤Þ¤Ç¤½¤ì¤ò·«¤êÊÖ¤¹¤³¤È¤Ç¤¹¡£

Åö¤Æ¤Ï¤á¤ò¹Ô¤Ê¤¦´Ø¿ô¤Î¥Ñ¥é¥á¡¼¥¿´Ö¤Ë¶¦Ä̤ΰ͸´Ø·¸¤¬¤Ê¤¤¤³¤È¤Ï³Îǧ¤·¤Æ ¤ª¤¤¤Æ¤¯¤À¤µ¤¤¡£Î㤨¤Ð¡¢a*exp(x+b) ¤òÅö¤Æ¤Ï¤á¤Ë»È¤Ã¤Æ¤Ï¤¤¤±¤Þ¤»¤ó¡£¤½ ¤ì¤Ï a*exp(x+b)=a*exp(b)*exp(x) ¤À¤«¤é¤Ç¤¹¡£¤è¤Ã¤Æ¤³¤Î¾ì¹ç¤Ï a*exp(x) ¤Þ¤¿¤Ï exp(x+b) ¤ò»È¤Ã¤Æ¤¯¤À¤µ¤¤¡£

µ»½ÑŪ¤Ê¤ªÏÃ: ¥Ñ¥é¥á¡¼¥¿¤ÎÂ礭¤µ¤Ï¤¢¤Þ¤ê°ã¤¤¤¹¤®¤Æ¤Ï¤¤¤±¤Þ¤»¤ó¡£ÀäÂÐÃÍ ¤¬ºÇ¤âÂ礭¤¤¥Ñ¥é¥á¡¼¥¿¤ÈºÇ¤â¾®¤µ¤¤¥Ñ¥é¥á¡¼¥¿¤ÎÈ椬Â礭¤¤ÄøÅö¤Æ¤Ï¤á¤Î¼ý «¤ÏÃÙ¤¯¤Ê¤ê¤Þ¤¹¡£¤½¤ÎÈ椬¡¢¥Þ¥·¥ó¤ÎÉâÆ°¾®¿ô¤ÎÀºÅ٤εտô¤Ë¶á¤¤¤«¡¢¤Þ¤¿ ¤Ï¤½¤ì°Ê¾å¤Ê¤é¤Ð¡¢¤Û¤È¤ó¤É±Êµ×¤Ë¼ý«¤·¤Ê¤¤¤«¡¢µñÈݤµ¤ì¤ë¤Ç¤·¤ç¤¦¡£¤è¤Ã ¤Æ¤½¤Î´Ø¿ô¤ò¤³¤ì¤òÈò¤±¤ë¤è¤¦¤Ë²þÎɤ·¤Ê¤±¤ì¤Ð¤¤¤±¤Þ¤»¤ó¡£Î㤨¤Ð¡¢´Ø¿ô¤Î ÄêµÁ¤Ç ’parameter’ ¤ò ’1e9*parameter’ ¤Ë¤¹¤ë¤È¤«¡¢¤Þ¤¿¤ÏºÇ½é¤ÎÃͤò 1e9 ¤Ç³ä¤ë¤È¤«¡£

¤â¤·¡¢´Ø¿ô¤ò¡¢Åö¤Æ¤Ï¤á¤ë¥Ñ¥é¥á¡¼¥¿¤ò·¸¿ô¤È¤¹¤ë¡¢Ã±½ã¤Ê´Ø¿ô¤ÎÀþ·Á·ë¹ç¤Ç ½ñ¤±¤ë¤Ê¤é¡¢¤½¤ì¤Ï¤È¤Æ¤â¤¤¤¤¤Î¤ÇÀ§È󤽤¦¤·¤Æ¤¯¤À¤µ¤¤¡£²¿¸Î¤Ê¤é¡¢ÌäÂ꤬ ¤â¤Ï¤äÈóÀþ·Á¤Ç¤Ï¤Ê¤¤¤Î¤Ç¡¢È¿Éü¤Ï¾¯¤Ê¤¤²ó¿ô¤Ç¼ý«¤¹¤ë¤Ç¤·¤ç¤¦¡£¤â¤·¤«¤· ¤¿¤é¤¿¤Ã¤¿°ì²ó¤Ç¤¹¤à¤«¤â¤·¤ì¤Þ¤»¤ó¡£

¼ÂºÝ¤Î¼Â¸³¤Î¹ÖµÁ¤Ç¤Ï¥Ç¡¼¥¿²òÀϤËÂФ¹¤ë¤¤¤¯¤Ä¤«¤Î»Ø¼¨¤¬Í¿¤¨¤é¤ì¡¢¤½¤ì¤Ç ¥Ç¡¼¥¿¤Ø¤ÎºÇ½é¤Î´Ø¿ô¤ÎÅö¤Æ¤Ï¤á¤¬¹Ô¤Ê¤ï¤ì¤Þ¤¹¡£¤â¤·¤«¤¹¤ë¤È¡¢´ðÁÃÍýÏÀ¤Î Ê£¿ô¤Î¦Ì̤ˤҤȤĤº¤ÄÂбþ¤¹¤ëÊ£¿ô²ó¤Î¥×¥í¥»¥¹¤¬É¬Íפ«¤âÃΤì¤Þ¤»¤ó¤¬¡¢ ¤½¤·¤Æ¤½¤ì¤é¤Î´Ø¿ô¤ÎÅö¤Æ¤Ï¤á¤Î¥Ñ¥é¥á¡¼¥¿¤«¤éËÜÅö¤ËÍߤ·¤«¤Ã¤¿¾ðÊó¤ò¼è¤ê ½Ð¤¹¤Ç¤·¤ç¤¦¡£¤·¤«¤·¡¢‘fit‘ ¤ò»È¤¨¤Ð¡¢µá¤á¤ë¥Ñ¥é¥á¡¼¥¿¤Î»ëÅÀ¤«¤éľÀܥ⠥ǥë´Ø¿ô¤ò½ñ¤¯¤³¤È¤Ë¤è¤ê¡¢¤½¤ì¤Ï¤·¤Ð¤·¤Ð 1 ²ó¤ÇºÑ¤à¤Î¤Ç¤¹¡£»þ¡¹¤Ï¤è¤ê Æñ¤·¤¤Åö¤Æ¤Ï¤áÌäÂê¤Î·×»»¥³¥¹¥È¤¬¤«¤«¤ê¤Þ¤¹¤¬¡¢¥Ç¡¼¥¿ÊÑ´¹¤â¤«¤Ê¤ê¤Î³ä¹ç ¤ÇÈò¤±¤ë¤³¤È¤¬½ÐÍè¤Þ¤¹¡£¤â¤·¤³¤ì¤¬¡¢Åö¤Æ¤Ï¤á´Ø¿ô¤Îñ½ã²½¤Ë´Ø¤·¤Æ¡¢Á°¤Î ÃÊÍî¤ÈÌ·½â¤·¤Æ¤ë¤È»×¤¦¤Ê¤é¡¢¤½¤ì¤ÏÀµ²ò¤Ç¤¹¡£

"singular matrix" ¤Î¥á¥Ã¥»¡¼¥¸¤Ï¡¢¤³¤Î Marquardt-Levenberg ¥¢¥ë¥´¥ê¥º ¥à¤Î¥ë¡¼¥Á¥ó¤¬¡¢¼¡¤ÎÈ¿Éü¤ËÂФ¹¤ë¥Ñ¥é¥á¡¼¥¿¤ÎÃͤη׻»¤¬½ÐÍè¤Ê¤¤¤³¤È¤ò°Õ Ì£¤·¤Þ¤¹¡£¤³¤Î¾ì¹ç¡¢Ê̤ʽé´üÃͤ«¤é»Ï¤á¤ë¤«¡¢´Ø¿ô¤òÊ̤ʷÁ¤Ç½ñ¤­Ä¾¤¹¤«¡¢ ¤è¤ê´Êñ¤Ê´Ø¿ô¤Ë¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£

ºÇ¸å¤Ë¡¢Â¾¤ÎÅö¤Æ¤Ï¤á¥Ñ¥Ã¥±¡¼¥¸ (fudgit) ¤Î¥Þ¥Ë¥å¥¢¥ë¤«¤é¡¢¤³¤ì¤é¤Îʸ½ñ ¤òÍ×Ì󤹤ë¤è¤¦¤Ê¤¤¤¤°úÍѤò¾å¤²¤Þ¤¹: "Nonlinear fitting is an art! (Èó Àþ·ÁÅö¤Æ¤Ï¤áË¡¤Ï·Ý½Ñ¤À !)"

3.8 help

help¥³¥Þ¥ó¥É¤Ï¡¢ÁȤ߹þ¤ß¥Ø¥ë¥×¤òɽ¼¨¤·¤Þ¤¹¡£¤¢¤ë¹à¤Ë¤Ä¤¤¤Æ¤ÎÀâÌÀ¤ò»Ø Äꤷ¤¿¤¤¤È¤­¤Ë¤Ï¡¢¼¡¤Î½ñ¼°¤ò»È¤Ã¤Æ²¼¤µ¤¤:

        help {<¹àÌÜ̾>}

¤â¤· <¹àÌÜ̾> ¤¬»ØÄꤵ¤ì¤Ê¤«¤Ã¤¿¾ì¹ç¤Ï¡¢‘gnuplot‘ ¤Ë¤Ä¤¤¤Æ¤Î´Êñ¤ÊÀâÌÀ ¤¬É½¼¨¤µ¤ì¤Þ¤¹¡£»ØÄꤷ¤¿¹àÌܤˤĤ¤¤Æ¤ÎÀâÌÀ¤¬É½¼¨¤µ¤ì¤¿¸å¡¢¤½¤ì¤ËÂФ¹¤ë ºÙÌܤΥá¥Ë¥å¡¼¤¬É½¼¨¤µ¤ì¡¢¤½¤ÎºÙÌÜ̾¤òÆþÎϤ¹¤ë¤³¤È¤ÇºÙÌܤËÂФ¹¤ë¥Ø¥ë¥× ¤ò³¤±¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤½¤·¤Æ¡¢¤½¤ÎºÙÌܤÎÀâÌÀ¤¬É½¼¨¤µ¤ì¤¿¸å¤Ë¡¢¤µ¤é¤Ê ¤ëºÙÌÜ̾¤ÎÆþÎϤòÍ׵ᤵ¤ì¤ë¤«¡¢¤Þ¤¿¤Ï 1 ¤ÄÁ°¤Î¹àÌܤΥì¥Ù¥ë¤ØÌá¤ê¤Þ¤¹¡£ ¤³¤ì¤ò·«¤êÊÖ¤¹¤È¤ä¤¬¤Æ¡¢‘gnuplot‘ ¤Î¥³¥Þ¥ó¥É¥é¥¤¥ó¤Ø¤ÈÌá¤ê¤Þ¤¹¡£

¤Þ¤¿¡¢µ¿ÌäÉä (?) ¤ò¹àÌܤȤ·¤Æ»ØÄꤹ¤ë¤È¡¢¸½ºß¤Î¥ì¥Ù¥ë¤Î¹àÌܤΥꥹ¥È¤¬ ɽ¼¨¤µ¤ì¤Þ¤¹¡£

3.9 history

¥³¥Þ¥ó¥É ‘history‘ ¤Ï¡¢²áµî¤ËÊÔ½¸¤·¤¿¥³¥Þ¥ó¥É¥é¥¤¥ó¤ÎÍúÎò (history) ¤Î °ìÍ÷¤òɽ¼¨¤·¤¿¤ê¡¢¤½¤Î°ìÉô¤òÊݸ¤·¤¿¤ê¡¢¤½¤Î°ì¤Ä¤ò¼Â¹Ô¤·¤¿¤ê¤·¤Þ¤¹¡£

¶ñÂÎÎã¤Ç»ÈÍÑË¡¤ò¾Ò²ð¤·¤Þ¤¹:

      history               # ÍúÎòÁ´ÂΤòɽ¼¨
      history 5             # ÍúÎòÆâ¤ÎľÁ°¤Î 5 ¤Ä¤òɽ¼¨
      history quiet 5       # ¥¨¥ó¥È¥êÈÖ¹æ¤Ê¤·¤ÇľÁ°¤Î 5 ¤Ä¤òɽ¼¨
      history "hist.gp"     # ÍúÎòÁ´ÂΤò¥Õ¥¡¥¤¥ë hist.gp ¤Ë½ñ¤­½Ð¤¹
      history "hist.gp" append # ÍúÎòÁ´ÂΤò¥Õ¥¡¥¤¥ë hist.gp ¤ËÄɲ乤ë
      history 10 "hist.gp"  # ľÁ°¤Î 10 ¸Ä¤ò¥Õ¥¡¥¤¥ë hist.gp ¤Ë½ÐÎÏ
      history 10 "|head -5 >>diary.gp" # ¥Ñ¥¤¥×¤ÇÍúÎò¤ò 5 ¤Ä½ñ¤­½Ð¤¹
      history ?load         # ÍúÎòÆâ¤Î "load" ¤Ç»Ï¤Þ¤ë¤â¤Î¤¹¤Ù¤Æ¤òɽ¼¨
      history ?"set c"      # ¾å¤ÈƱÍÍ (Ê£¿ô¤Î¸ì¤Ï°úÍÑÉä¤Ç°Ï¤à)
      hi !reread            # "reread" ¤Ç»Ï¤Þ¤ëºÇ¤â¿·¤·¤¤¹Ô¤ò¼Â¹Ô
      hist !"set xr"        # ¾å¤ÈƱÍÍ (Ê£¿ô¤Î¸ì¤Ï°úÍÑÉä¤Ç°Ï¤à)
      hi !hi                # Åö¤Æ¤Æ¤ß¤Æ :-))

popen ´Ø¿ô¤ò¥µ¥Ý¡¼¥È¤¹¤ë¤è¤¦¤Ê¥·¥¹¥Æ¥à (Unix ¤Ê¤É) ¤Ç¤Ï¡¢ÍúÎò¤Î½ÐÎϤò ¥Ñ¥¤¥×·Ðͳ¤Ç¾¤Î³°Éô¥×¥í¥°¥é¥à¤ËÅϤ¹¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤½¤Î¾ì¹ç¡¢¾å¤ÎÎã¤Î °ì¤Ä¤Ë¤¢¤ë¤è¤¦¤Ë¡¢¥Õ¥¡¥¤¥ë̾¤È¤·¤Æ¥³¥Þ¥ó¥É̾¤ÎÀèƬ¤Ë ’|’ ¤ò¤Ä¤±¤¿¤â¤Î ¤ò»È¤¤¤Þ¤¹¡£

3.10 if

¿·¤·¤¤½ñ¼°:

      if (<condition>) { <command>; <command>
             <commands>
             <commands>
      } else {
             <commands>
      }

°ÊÁ°¤Î½ñ¼°:

      if (<¾ò·ï>) <¥³¥Þ¥ó¥É¹Ô> [; else if (<¾ò·ï>) ...; else ...]

¤³¤Î¥Ð¡¼¥¸¥ç¥ó¤Î gnuplot ¤Ï¡¢if/else ¤Î¥Ö¥í¥Ã¥¯·Á¼°¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ ¤¹¡£¥­¡¼¥ï¡¼¥É ‘if‘, ‘else‘ ¤Î¸å¤í¤Ë³«»Ï¥«¥Ã¥³ "{" ¤¬Â³¤¯¾ì¹ç¡¢"}" ¤Ç ½ªÎ»¤¹¤ë¥Ö¥í¥Ã¥¯¤Þ¤Ç¤Î¤¹¤Ù¤Æ¤Îʸ (Ê£¿ô¤ÎÆþÎϹԤâ²Ä) ¤Ë¾ò·ïŪ¤Ê¼Â¹Ô¤¬Å¬ ÍѤµ¤ì¤Þ¤¹¡£if ¥³¥Þ¥ó¥É¤ÏÆþ¤ì»Ò¤Ë¤¹¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£

¸Å¤¤·Á¼°¤Î 1 ¹Ô¤Î if/else ʸ¤â¤Þ¤À¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤Þ¤¹¤¬¡¢¿·¤·¤¤¥Ö¥í¥Ã ¥¯·Á¼°¤Î½ñ¼°¤È¤Ïº®¤¼¤Æ¤Ï¤¤¤±¤Þ¤»¤ó¡£°Ê²¼»²¾È: if-old¡£

3.10.1 if-old

gnuplot ¥Ð¡¼¥¸¥ç¥ó 4.4 ¤Þ¤Ç¤Ï¡¢if/else ¥³¥Þ¥ó¥É¤ÎÄÌÍÑÈÏ°Ï¤Ï 1 ¹ÔÆâ¤Ëα ¤Þ¤Ã¤Æ¤¤¤Þ¤·¤¿¡£¸½ºß¤ÏÃ楫¥Ã¥³ { } ¤Ç°Ï¤à¤³¤È¤ÇÊ£¿ô¹Ô¤Ë¤¹¤ë¤³¤È¤¬²Äǽ ¤Ë¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£¤½¤Î¸Å¤¤·Á¼°¤â»Ä¤µ¤ì¤Æ¤¤¤Þ¤¹¤¬¡¢¤½¤ì¤ÏÃ楫¥Ã¥³¤Î¥Ö¥í¥Ã ¥¯Æâ¤Ç»È¤¦¤³¤È¤Ï¤Ç¤­¤Þ¤»¤ó¡£

¥­¡¼¥ï¡¼¥É ‘if‘ ¤¬ "{" ¤ò¤È¤â¤Ê¤ï¤Ê¤¤¾ì¹ç¤Ï¡¢<¾ò·ï> ¤¬¿¿ (¥¼¥í¤Ç¤Ê¤¤) ¤Ê¤é¤Ð <¥³¥Þ¥ó¥É¹Ô> ¤Î¥³¥Þ¥ó¥É (Ê£¿ô¤â²Ä) ¤¬¼Â¹Ô¤µ¤ì¡¢µ¶ (¥¼¥í) ¤Ê¤é¤Ð ¥¹¥­¥Ã¥×¤µ¤ì¤Þ¤¹¡£¤¤¤º¤ì¤Î¾ì¹ç¤âÆþÎϹԤκǸå¤Ë¤Ê¤ë¤«¡¢‘else‘ ¤¬¸½¤ì¤ë ¤È¤³¤í¤Þ¤Ç¤½¤ì¤¬¹Ô¤ï¤ì¤Þ¤¹¡£‘;‘ ¤ò»È¤¦¤ÈƱ¤¸¹Ô¤ËÊ£¿ô¤Î¥³¥Þ¥ó¥ÉÃÖ¤¯¤³¤È ¤¬²Äǽ¤Ç¤¹¤¬¡¢¾ò·ïÉÕ¤­¤Î¥³¥Þ¥ó¥É (‘if‘ ¤Î¹½Ê¸¼«ÂÎ) ¤Ï¤½¤³¤Ç¤Ï½ª¤é¤Ê¤¤ ¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£

Îã:

      pi=3
      if (pi!=acos(-1)) print "?Fixing pi!"; pi=acos(-1); print pi

¤ò¼Â¹Ô¤¹¤ë¤È¡¢

      ?Fixing pi!
      3.14159265358979

¤Èɽ¼¨¤µ¤ì¤Þ¤¹¤¬¡¢

      if (1==2) print "Never see this"; print "Or this either"

¤È¤¹¤ë¤È¡¢²¿¤âɽ¼¨¤µ¤ì¤Þ¤»¤ó¡£

¤½¤Î¾:

      v=0
      v=v+1; if (v%2) print "2" ; else if (v%3) print "3" ; else print "fred"

(²¿ÅÙ¤âºÇ¸å¤Î¹Ô¤ò·«¤êÊÖ¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤ !)

if ¤È reread ¤ò»È¤Ã¤Æ¥ë¡¼¥×¤ò¹½À®¤¹¤ëÎã¤Ï¡¢°Ê²¼»²¾È: reread¡£

3.11 ·«¤êÊÖ¤· (iteration)

plot, ‘splot‘, ‘set‘, unset ¥³¥Þ¥ó¥É¤Ç¤Ï¡¢·«¤êÊÖ¤·Àá¤ò»È¤¦¤³¤È¤â¤Ç ¤­¤Þ¤¹¡£¤³¤ì¤Ï¡¢´ðËÜŪ¤Ê¥³¥Þ¥ó¥É¤òÊ£¿ô²ó¼Â¹Ô¤¹¤ë¸ú²Ì¤ò»ý¤Á¡¢¤½¤Î¤ª¤Î¤ª ¤Î¤Î¼Â¹Ô¤Ç¤Ï·«¤êÊÖ¤·À©¸æÊÑ¿ô¤Ë¤è¤Ã¤Æ¿ô¼°¤ÏºÆɾ²Á¤µ¤ì¤Þ¤¹¡£‘do‘ ¥³¥Þ¥ó ¥É¤Ç¤Ï¡¢¤É¤ó¤Ê¥³¥Þ¥ó¥ÉÎó¤Ç¤â·«¤êÊÖ¤·¼Â¹Ô¤µ¤»¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£·«¤êÊÖ¤· Àá¤Ï¸½ºß¤Ï°Ê²¼¤Î 2 ¤Ä¤Î·Á¼°¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤¹:

      for [intvar = start:end{:increment}]
      for [stringvar in "A B C D"]

Îã:

      plot for [filename in "A.dat B.dat C.dat"] filename using 1:2 with lines
      plot for [basename in "A B C"] basename.".dat" using 1:2 with lines
      set for [i = 1:10] style line i lc rgb "blue"
      unset for [tag = 100:200] label tag

·«¤êÊÖ¤·¤ÎÆþ¤ì»Ò¤â¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤¹:

      set for [i=1:9] for [j=1:9] label i*10+j sprintf("%d",i*10+j) at i,j

¤µ¤é¤Ê¤ëÀâÌÀ¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: ‘plot iteration‘, ‘do‘¡£

3.12 load

‘load‘ ¥³¥Þ¥ó¥É¤Ï¡¢»ØÄꤵ¤ì¤¿ÆþÎÏ¥Õ¥¡¥¤¥ë¤Î³Æ¹Ô¤ò¡¢¤½¤ì¤¬ÂÐÏÃŪ¤ËÆþÎÏ ¤µ¤ì¤¿¤«¤Î¤è¤¦¤Ë¼Â¹Ô¤·¤Þ¤¹¡£save ¥³¥Þ¥ó¥É¤Ç¤Ä¤¯¤é¤ì¤¿¥Õ¥¡¥¤¥ë¤Ï¡¢ ‘load‘ ¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£Í­¸ú¤Ê¥³¥Þ¥ó¥É¤Î½ñ¤«¤ì¤¿¥Æ¥­¥¹¥È¥Õ¥¡¥¤¥ë¤ò ¤Ä¤¯¤ì¤Ð¡¢¤½¤ì¤Ï¡¢‘load‘¥³¥Þ¥ó¥É¤Ë¤è¤Ã¤Æ¡¢¼Â¹Ô¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ ‘load‘ Ãæ¤Î¥Õ¥¡¥¤¥ë¤ÎÃæ¤Ë¤µ¤é¤Ë ‘load‘ ¤Þ¤¿¤Ï call ¥³¥Þ¥ó¥É¤¬¤¢¤Ã¤Æ ¤â¹½¤¤¤Þ¤»¤ó¡£¥³¥Þ¥ó¥ÉÃæ¤Î¥³¥á¥ó¥È¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: ‘comments‘¡£ ‘load‘ ¤¹¤ë¤È¤­¤Ë°ú¿ô¤òÍ¿¤¨¤ëÊýË¡¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: call¡£

½ñ¼°:

        load "<ÆþÎÏ¥Õ¥¡¥¤¥ë̾>"

ÆþÎÏ¥Õ¥¡¥¤¥ë̾¤Ï°úÍÑÉä¤Ç°Ï¤Þ¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£

‘load‘ ¥³¥Þ¥ó¥É¤Ï¡¢É¸½àÆþÎϤ«¤é¤Î¥³¥Þ¥ó¥É¤ÎÆþÎϤΤ¿¤á¤Ë¡¢ÆÃÊ̤ʥե¡¥¤ ¥ë̾ "-" ¤òÍÑ°Õ¤·¤Æ¤¤¤Þ¤¹¡£¤³¤ì¤Ï¡¢‘gnuplot‘ ¤Î¥³¥Þ¥ó¥É¥Õ¥¡¥¤¥ë¤¬¡¢¤¤ ¤¯¤Ä¤«¤Î¥³¥Þ¥ó¥É¤òɸ½àÆþÎϤ«¤é¼õ¤±ÉÕ¤±¤ë¤³¤È¤ò°ÕÌ£¤·¤Þ¤¹¡£¾ÜºÙ¤Ë¤Ä¤¤¤Æ ¤Ï¡¢°Ê²¼»²¾È: ‘batch/interactive‘¡£

Unix ¤Î¤è¤¦¤Ë popen ´Ø¿ô¤ò¥µ¥Ý¡¼¥È¤¹¤ë¤è¤¦¤Ê¥·¥¹¥Æ¥à¤Ç¤Ï¡¢’<’ ¤Ç»Ï¤Þ¤ë ¥Õ¥¡¥¤¥ë̾¤Ë¤¹¤ë¤³¤È¤Ç¡¢ÆþÎÏ¥Õ¥¡¥¤¥ë¤ò¥Ñ¥¤¥×¤«¤éÆɤ߹þ¤à¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

Îã:

        load 'work.gnu'
        load "func.dat"
        load "< loadfile_generator.sh"

‘gnuplot‘ ¤Ø¤Î°ú¿ô¤È¤·¤ÆÍ¿¤¨¤é¤ì¤¿¥Õ¥¡¥¤¥ë̾¤Ï¡¢°ÅÌۤΤ¦¤Á¤Ë ‘load‘ ¥³ ¥Þ¥ó¥É¤Ë¤è¤Ã¤Æ¼Â¹Ô¤µ¤ì¤Þ¤¹¡£¤³¤ì¤é¤Ï¡¢»ØÄꤵ¤ì¤¿½ç¤Ë¥í¡¼¥É¤µ¤ì¡¢¤½¤Î¸å ‘gnuplot‘ ¤Ï½ªÎ»¤·¤Þ¤¹¡£

3.13 lower

½ñ¼°:

      lower {plot_window_nb}

¥³¥Þ¥ó¥É lower (raise ¤ÎÈ¿ÂÐ) ¤Ï¡¢‘pm‘, ‘win‘, ‘wxt‘, ‘x11‘ Åù¤Î gnuplot ¤ÎÂÐÏ÷¿½ÐÎÏ·Á¼°¤Î¼Â¹ÔÃæ¤Ë¡¢ÉÁ²è¥¦¥£¥ó¥É¥¦¤ò²¼ (Çظå) ¤Ë²¼¤²¤Þ ¤¹¡£ÉÁ²è¥¦¥£¥ó¥É¥¦¤ò¡¢¥Ç¥¹¥¯¥È¥Ã¥×¾å¤Î¥¦¥£¥ó¥É¥¦¥Þ¥Í¡¼¥¸¥ã¤Î z Êý¸þ¤Î ¥¦¥£¥ó¥É¥¦¤Î½Å¤Ê¤ê¤Î²¼¤ËÃÖ¤­¤Þ¤¹¡£

‘x11‘ ¤ä ‘wxt‘ ¤Î¤è¤¦¤ËÊ£¿ô¤ÎÉÁ²è¥¦¥£¥ó¥É¥¦¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë¾ì¹ç¡¢¥Ç ¥Õ¥©¥ë¥È¤Ç¤Ï¤³¤Î¥³¥Þ¥ó¥É¤Ï¤½¤ì¤é¤ÎÊ£¿ô¤Î¥¦¥£¥ó¥É¥¦¤ò¹ß½ç¤Ë²¼¤²¡¢ºÇ½é¤Ë ºî¤é¤ì¤¿¥¦¥£¥ó¥É¥¦¤ò°ìÈÖ²¼¤Ë¡¢ºÇ¸å¤Ëºî¤é¤ì¤¿¥¦¥£¥ó¥É¥¦¤ò°ìÈÖ¾å¤ËÊÂ¤Ù¤Þ ¤¹¡£¥ª¥×¥·¥ç¥ó°ú¿ô¤ÎÉÁ²èÈֹ椬Ϳ¤¨¤é¤ì¤¿¾ì¹ç¡¢¤½¤ì¤ËÂбþ¤¹¤ëÉÁ²è¥¦¥£¥ó ¥É¥¦¤¬Â¸ºß¤¹¤ì¤Ð¤½¤ì¤Î¤ß¤¬²¼¤²¤é¤ì¤Þ¤¹¡£

¥ª¥×¥·¥ç¥ó°ú¿ô¤Ï¡¢Ã±°ì¤ÎÉÁ²è¥¦¥£¥ó¥É¥¦¤Î½ÐÎÏ·Á¼°¡¢¤¹¤Ê¤ï¤Á ‘pm‘ ¤È ‘win‘ ¤Ç¤Ï̵»ë¤µ¤ì¤Þ¤¹¡£

3.14 pause

pause ¥³¥Þ¥ó¥É¤Ï¡¢¥³¥Þ¥ó¥É¤Ë³¤¯Ç¤°Õ¤Îʸ»úÎó¤òɽ¼¨¤·¤¿¸å¡¢»ØÄꤵ¤ì ¤¿»þ´Ö¤Þ¤¿¤Ï¡¢²þ¹Ô¥­¡¼¤¬²¡¤µ¤ì¤ë¤Þ¤ÇÂÔ¤Á¤Þ¤¹¡£pause ¥³¥Þ¥ó¥É¤Ï¡¢ ‘load‘ ÍѤΥե¡¥¤¥ë¤È¶¦¤Ë»ÈÍѤ¹¤ë¤È¡¢ÊØÍø¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£

½ñ¼°:

      pause <time> {"<string>"}
      pause mouse {<endcondition>}{, <endcondition>} {"<string>"}

<time> ¤Ï¡¢Ç¤°Õ¤ÎÄê¿ô¤Þ¤¿¤Ï¼°¤Ç¤¹¡£-1 ¤ò»ØÄꤹ¤ë¤È²þ¹Ô¥­¡¼¤¬²¡¤µ¤ì¤ë¤Þ ¤ÇÂÔ¤Á¤Þ¤¹¡£0 ¤ò»ØÄꤹ¤ë¤È°ìÀÚÂÔ¤¿¤º¡¢Àµ¤Î¿ô¤ò»ØÄꤹ¤ë¤È¤½¤ÎÉÿô¤À¤±ÂÔ ¤Á¤Þ¤¹¡£¼Â¹Ô´Ä¶­¤¬Éðʲ¼¤Î»þ´Ö»ØÄê¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Ê¤¤¾ì¹ç¡¢¤½¤Î»þ´Ö¤Ï À°¿ô¤ÎÉÿô¤Ë´Ý¤á¤é¤ì¤Þ¤¹¡£‘pause 0‘ ¤Ï print ¤ÈƱ¤¸¤Ç¤¹¡£

»ÈÍѤ·¤Æ¤¤¤ë½ÐÎÏ·Á¼°¤¬ ‘mousing‘ (¥Þ¥¦¥¹µ¡Ç½) ¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë¾ì¹ç¡¢ ‘pause mouse‘ ¤Ï¡¢¥Þ¥¦¥¹¥¯¥ê¥Ã¥¯¤¬¤¢¤ë¤« ctrl-C ¤¬²¡¤µ¤ì¤ë¤Þ¤ÇÂԤĤ褦 ¤Ë¤Ê¤ê¤Þ¤¹¡£¤½¤¦¤Ç¤Ê¤¤½ÐÎÏ·Á¼°¡¢¤Þ¤¿¤Ï¥Þ¥¦¥¹µ¡Ç½¤¬Í­¸ú¤Ë¤Ê¤Ã¤Æ¤Ê¤¤¾ì¹ç ‘pause mouse‘ ¤Ï ‘pause -1‘ ¤ÈƱ¤¸¤Ç¤¹¡£

°ì¤Ä¡¢¤¢¤ë¤¤¤ÏÊ£¿ô¤Î½ªÎ»¾ò·ï (endcondition) ¤¬ ‘pause mouse‘ ¤Î¸å¤ËÍ¿ ¤¨¤é¤ì¤¿¾ì¹ç¡¢¤½¤Î¤¦¤Á¤Î¤É¤Î°ì¤Ä¤Ç¤â pause ¤Ï½ªÎ»¤·¤Þ¤¹¡£»ØÄê¤Ç¤­¤ë½ª λ¾ò·ï¤Ï¡¢‘keypress‘, ‘button1‘, ‘button2‘, ‘button3‘, ‘close‘, ‘any‘ ¤Î¤¤¤º¤ì¤«¤Ç¤¹¡£pause ¤¬¥­¡¼ÆþÎϤˤè¤Ã¤Æ½ªÎ»¤·¤¿¾ì¹ç¡¢²¡¤µ¤ì¤¿¥­¡¼¤Î ASCII ¥³¡¼¥É¤Ï MOUSE_KEY ¤ËÊݸ¤µ¤ì¡¢Ê¸»ú¤½¤ì¼«¿È¤Ï¡¢1 ʸ»ú¤Îʸ»úÎóÃÍ ¤È¤·¤Æ MOUSE_CHAR ¤ËÊÖ¤µ¤ì¤Þ¤¹¡£‘keypress‘ ¤¬½ªÎ»¾ò·ï¤Î°ì¤Ä¤Ç¤¢¤ì¤Ð¡¢ ¥Û¥Ã¥È¥­¡¼ (¥­¡¼³ä¤êÅö¤Æ¥³¥Þ¥ó¥É) ¤Ï̵¸ú¤Ë¤Ê¤ê¤Þ¤¹¡£‘buttons3‘ ¤¬½ªÎ» ¾ò·ï¤Î°ì¤Ä¤Ç¤¢¤ì¤Ð¡¢³ÈÂ絡ǽ¤Ï̵¸ú¤Ë¤Ê¤ê¤Þ¤¹¡£

¤É¤Î¾ì¹ç¤Ç¤â¥Þ¥¦¥¹¤ÎºÂɸ¤ÏÊÑ¿ô MOUSE_X, MOUSE_Y, MOUSE_X2, MOUSE_Y2 ¤Ë Êݸ¤µ¤ì¤Þ¤¹¡£°Ê²¼»²¾È: variables¡£

Ãí°Õ: pause ¥³¥Þ¥ó¥É¤Ï OS ¤Ø¤Î¥³¥Þ¥ó¥É¤Ç¤¢¤êÉÁ²è¤Î°ìÉô¤Ç¤Ï¤Ê¤¤¤Î¤Ç¡¢ °Û¤Ê¤ë½ÐÎÏÁõÃ֤ǤϰۤʤëÆ°ºî¤ò¤¹¤ë²ÄǽÀ­¤¬¤¢¤ê¤Þ¤¹¡£(¤³¤ì¤Ï¡¢¥Æ¥­¥¹¥È ¤È¥°¥é¥Õ¥£¥Ã¥¯¥¹¤¬¡¢¤É¤Î¤è¤¦¤Ëº®ºß¤¹¤ë¤«¤Ë¤è¤ê¤Þ¤¹¡£)

Îã:

      pause -1    # ²þ¹Ô¥­¡¼¤¬²¡¤µ¤ì¤ë¤Þ¤ÇÂÔ¤Ä
      pause 3     # 3 ÉÃÂÔ¤Ä
      pause -1  "³¤±¤ë¤Ë¤Ï return ¤òÂǤäƤ¯¤À¤µ¤¤"
      pause 10  "¤³¤ì¤ÏÈþ¤·¤¯¤Ê¤¤¤Ç¤¹¤« ? 3 ¼¡¤Î spline ¤Ç¤¹"
      pause mouse "ÁªÂò¤·¤¿¥Ç¡¼¥¿ÅÀ¾å¤ÇǤ°Õ¤Î¥Ü¥¿¥ó¤ò¥¯¥ê¥Ã¥¯¤·¤Æ¤¯¤À¤µ¤¤"
      pause mouse keypress "Í­¸ú¤Ê¥¦¥£¥ó¥É¥¦Æâ¤Ç A-F ¤Îʸ»ú¤òÆþÎϤ·¤Æ¤¯¤À¤µ¤¤"
      pause mouse button1,keypress
      pause mouse any "Ǥ°Õ¤Î¥­¡¼¡¢¥Ü¥¿¥ó¤Ç½ªÎ»¤·¤Þ¤¹"

°¡¼ï¤Ç¤¢¤ë "pause mouse key" ¤Ï¡¢Í­¸ú¤ÊÉÁ²è¥¦¥£¥ó¥É¥¦Æâ¤Ç¤ÎǤ°Õ¤Î¥­¡¼ ÆþÎϤˤè¤Ã¤ÆºÆ³«¤µ¤ì¤Þ¤¹¡£ÆÃÊ̤ʥ­¡¼ÆþÎϤޤÇÂԤĤ褦¤Ë¤·¤¿¤¤¾ì¹ç¤Ï¡¢°Ê ²¼¤Î¤è¤¦¤Ê reread ¤Ë¤è¤ë¥ë¡¼¥×¤ò»È¤¦¤³¤È¤¬¤Ç¤­¤Þ¤¹:

      print "ÉÁ²è¥¦¥£¥ó¥É¥¦Æâ¤Ç Tab ¥­¡¼¤òÂǤĤÈÉüµ¢¤·¤Þ¤¹¡£"
      load "wait_for_tab"

¥Õ¥¡¥¤¥ë "wait_for_tab" ¤Ï°Ê²¼¤Î¤è¤¦¤Ê¤â¤Î¤Ç¤¹:

      pause mouse key
      if (MOUSE_KEY != 9) reread

3.15 plot

plot ¤Ï ‘gnuplot‘ ¤Ç¿Þ¤òÉÁ¤¯¤¿¤á¤Î´ðËÜŪ¤Ê¥³¥Þ¥ó¥É¤Ç¤¹¡£ ¤½¤ì¤Ï´Ø¿ô ¤ä¥Ç¡¼¥¿¤ò¼Â¤Ë¿¤¯¤ÎÊýË¡¤Çɽ¼¨¤·¤Þ¤¹¡£plot ¤Ï 2 ¼¡¸µ¤Î´Ø¿ô¤ä¥Ç¡¼¥¿¤ò ÉÁ¤¯¤Î¤Ë»È¤ï¤ì¡¢‘splot‘ ¤Ï 3 ¼¡¸µ¤Î¶ÊÌ̤ä¥Ç¡¼¥¿¤Î 2 ¼¡¸µÅê±Æ¤òÉÁ¤­¤Þ¤¹¡£ plot ¤È ‘splot‘ ¤Ï¿¤¯¤Î¶¦Ä̤ε¡Ç½¤òÄ󶡤·¤Þ¤¹¤¬¡¢¤½¤Î°ã¤¤¤Ë¤Ä¤¤¤Æ¤Ï °Ê²¼»²¾È: ‘splot‘¡£ÆäËÃí°Õ¤·¤Æ¤ª¤­¤Þ¤¹¤¬¡¢‘binary <binary list>‘ ¥ª¥× ¥·¥ç¥ó¤Ï plot, ‘splot‘ ¤ÎξÊý¤ÇÆ°ºî¤·¤Þ¤¹¤¬¡¢Î¾¼Ô¤Ë¤Ï¾®¤µ¤Ê°ã¤¤¤¬¤¢ ¤ê¤Þ¤¹¡£

½ñ¼°:

      plot {<ranges>}
           {<iteration>}
           {<function> | {"<datafile>" {datafile-modifiers}}}
           {axes <axes>} {<title-spec>} {with <style>}
           {, {definitions{,}} <function> ...}

´Ø¿ô <function>¡¢¤Þ¤¿¤Ï°úÍÑÉä¤Ç°Ï¤Þ¤ì¤¿¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë̾ (<datafile>) ¤Î¤É¤Á¤é¤«°ìÊý¤òÍ¿¤¨¤Þ¤¹¡£´Ø¿ô¤ÏÄ̾ï¤Ï 1 Ëܤοô¼°¤Ç¤¹¤¬¡¢ÇÞ²ðÊÑ¿ô¥â¡¼ ¥É (parametric) ¤Ë¤ª¤¤¤Æ¤Ï 2 ¤Ä¤Î¿ô¼°¤ÎÁȤǤ¹¡£´Ø¿ô¤Ï¡¢ÁȤ߹þ¤ß´Ø¿ô¡¢ ¥æ¡¼¥¶ÄêµÁ´Ø¿ô¡¢¤¢¤ë¤¤¤Ï¤½¤Î plot ¥³¥Þ¥ó¥É¤Î¾å¤ÇÍ¿¤¨¤ë¤â¤Î¤Î¤¤¤º¤ì¤«¤ò »ÈÍѤǤ­¤Þ¤¹¡£¥³¥ó¥Þ¤Ç¶èÀڤ뤳¤È¤Ç¡¢Ê£¿ô¤Î¥Ç¡¼¥¿¤ä´Ø¿ô¤ò 1 ¤Ä¤Î¥³¥Þ¥ó ¥É¤ÇÉÁ²è¤Ç¤­¤Þ¤¹¡£°Ê²¼»²¾È: ‘data‘, functions¡£

Îã:

      plot sin(x)
      plot sin(x), cos(x)
      plot f(x) = sin(x*a), a = .2, f(x), a = .4, f(x)
      plot "datafile.1" with lines, "datafile.2" with points
      plot [t=1:10] [-pi:pi*2] tan(t), \
           "data.1" using (tan($2)):($3/$4) smooth csplines \
                    axes x1y2 notitle with lines 5
      plot for [datafile in "spinach.dat broccoli.dat"] datafile

°Ê²¼»²¾È: plot¡£

3.15.1 ¼´ (axes)

¼´ (axes) ¤Ï¡¢4 ¼ïÎà¤ÎÁȤ¬ÍøÍѤǤ­¤Þ¤¹; ¥­¡¼¥ï¡¼¥É <axes> ¤Ï¡¢ÆÃÄê¤Îľ Àþ¤ò¤É¤Î¼´¤Ë¼ÜÅÙ¤ò¹ç¤ï¤»¤ë¤«¡¢¤È¤¤¤¦¤³¤È¤òÁªÂò¤¹¤ë¤Î¤Ë»È¤ï¤ì¤Þ¤¹¡£ ‘x1y1‘ ¤Ï²¼¤Î¼´¤Èº¸¤Î¼´¤ò»ØÄê; ‘x2y2‘ ¤Ï¾å¤È±¦¤Î¼´¤Î»ØÄê; ‘x1y2‘ ¤Ï²¼ ¤È±¦¤Î¼´¤Î»ØÄê; ‘x2y1‘ ¤Ï¾å¤Èº¸¤Î¼´¤Î»ØÄê¤Ç¤¹¡£plot ¥³¥Þ¥ó¥É¤Ç»ØÄꤵ ¤ì¤¿ÈϰϤϡ¢¤³¤ÎºÇ½é¤Î¼´¤ÎÁÈ (²¼¤Èº¸) ¤Ë¤Î¤ßŬÍѤµ¤ì¤Þ¤¹¡£

3.15.2 binary

¥Ð¥¤¥Ê¥ê¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë:

°ÊÁ°¤Î ‘gnuplot‘ ¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ï¡¢¥Ð¥¤¥Ê¥ê·Á¼°¤Î¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤ò¼«Æ°Åª ¤Ë¸¡½Ð¤¹¤ë¤â¤Î¤â¤¢¤ê¤Þ¤·¤¿¤¬¡¢¸½ºß¤Ï¥Õ¥¡¥¤¥ë̾¤Î¸å¤í¤Ë binary ¤Î¥­¡¼ ¥ï¡¼¥É¤òÍ¿¤¨¤ë¤³¤È¤¬É¬¿Ü¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£¥Õ¥¡¥¤¥ë·Á¼°¤Ë´Ø¤¹¤ë½½Ê¬¾ÜºÙ¤Ê ¾ðÊó¤Ï¡¢¥æ¡¼¥¶¤¬¥³¥Þ¥ó¥É¥é¥¤¥ó¤«¤éÍ¿¤¨¤ë¤«¡¢¤Þ¤¿¤Ï¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë filetype ¤Î¥Ð¥¤¥Ê¥ê·Á¼°¤Î¥Õ¥¡¥¤¥ë¤½¤ì¼«¿È¤«¤éÈ´¤­½Ð¤µ¤ì¤ë¤«¤¹¤ëɬÍ× ¤¬¤¢¤ê¤Þ¤¹¡£¥Ð¥¤¥Ê¥ê¥Õ¥¡¥¤¥ë¤Ë¤Ï¡¢Â礭¤¯ 2 ¤Ä¤Î·Á¼°¡¢binary matrix ·Á ¼°¤È binary general ·Á¼°¤¬¤¢¤ê¤Þ¤¹¡£

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3.15.2.1 general

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3.15.2.2 array

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3.15.2.3 record

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3.15.2.5 format

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3.15.2.7 filetype

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3.15.2.8 keywords

°Ê²¼¤Î¥­¡¼¥ï¡¼¥É (keyword) ¤Ï¡¢¥Ð¥¤¥Ê¥ê¥Õ¥¡¥¤¥ë¤«¤éºÂɸ¤òÀ¸À®¤¹¤ë¤È¤­ ¤Ë¤Î¤ßŬÍѤµ¤ì¤Þ¤¹¡£¤Ä¤Þ¤ê¡¢binary array, matrix, image ¤Î¸Ä¡¹¤ÎÍ×ÁǤò ÆÃÄê¤Î x,y,z ¤Î°ÌÃ֤ؤÎÇÛÃÖ¤ÎÀ©¸æ¤Î¤¿¤á¤Î¤â¤Î¤Ç¤¹¡£

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ÉÁ²è¥â¡¼¥É¤¬ plot ¤Î¾ì¹ç¡¢»ØÄê¤Ë¤Ï x ¤È y ¤Î 2 ¤Ä¤Îʸ»ú¤ò»È¤¦¤³¤È¤¬ ¤Ç¤­¡¢‘splot‘ ¤ËÂФ·¤Æ¤Ï x, y, z ¤Î 3 ¤Ä¤Îʸ»ú¤ò»È¤¦¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

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— TRANSPOSE —

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— DX, DY, DZ —

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— ORIGIN —

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                         {volatile} {noautoscale}

½¤Àµ»Ò¤Î binary, index, every, thru, using, smooth ¤Ï¡¢¤½ ¤ì¤¾¤ì¤Ëʬ¤±¤ÆÀâÌÀ¤·¤Þ¤¹¡£´Êñ¤Ë¸À¤¦¤È¡¢binary ¤Ï¥Ç¡¼¥¿Îó¤ò¥Ð¥¤¥Ê¥ê ¥Õ¥¡¥¤¥ë¤«¤é¼èÆÀ¤Ç¤­¤ë¤è¤¦¤Ë¤· (¥Ç¥Õ¥©¥ë¥È¤Ï ASCII ¥Õ¥¡¥¤¥ë)¡¢index ¤Ï¥Þ¥ë¥Á¥Ç¡¼¥¿½¸¹ç¥Õ¥¡¥¤¥ë¤«¤é¤É¤Î¥Ç¡¼¥¿½¸¹ç¤òɽ¼¨¤¹¤ë¤Î¤«¤òÁª¤Ó¡¢ every ¤¬¡¢°ì¤Ä¤Î¥Ç¡¼¥¿½¸¹ç¤«¤é¤É¤ÎÅÀ¤òɽ¼¨¤¹¤ë¤Î¤«¤òÁª¤Ó¡¢using ¤Ï °ì¹Ô¤«¤é¤É¤ÎÎó¤ò²ò¼á¤¹¤ë¤Î¤«¤ò·èÄꤷ (thru ¤Ï¡¢using ¤ÎÆÃÊ̤ʾì¹ç ¤Ç¤¢¤ë)¡¢¤½¤·¤Æ smooth ¤¬¡¢Ã±½ã¤ÊÊä´Ö¤È¶á»÷¤ò¹Ô¤¤¤Þ¤¹¡£(‘splot‘ ¤Ï¡¢ ¤è¤¯»÷¤¿½ñ¼°¤ò»ý¤Ã¤Æ¤¤¤Þ¤¹¤¬¡¢smooth ¥ª¥×¥·¥ç¥ó¤È thru ¥ª¥×¥·¥ç¥ó ¤Ï¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤»¤ó)

¥­¡¼¥ï¡¼¥É ‘noautoscale‘ ¤Ï¡¢¼«Æ°Åª¤Ë¼´¤ÎÈϰϤ¬·èÄꤵ¤ì¤ëµ¡Ç½¤¬Í­¸ú¤Ç ¤¢¤ë¾ì¹ç¤Ë¡¢¤³¤ÎÉÁ²è¤ò¹½À®¤¹¤ë¥Ç¡¼¥¿ÅÀ¤Ë¤Ä¤¤¤Æ¤Ï¡¢¤½¤ì¤ò̵»ë¤µ¤»¤ë (¼« Æ°½Ì¼Üµ¡Ç½¤Î·×»»Âоݤ«¤é³°¤¹) ¤è¤¦¤Ë¤·¤Þ¤¹¡£

ASCII ¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë:

¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Ï¡¢°ì¹Ô¤Ë¤Ä¤­¾¯¤Ê¤¯¤È¤â°ì¤Ä¤Î¥Ç¡¼¥¿ÅÀ¤ò´Þ¤àɬÍפ¬¤¢¤ê¤Þ ¤¹ (using ¤Ï°ì¹Ô¤«¤é°ì¤Ä¤Î¥Ç¡¼¥¿¥Ý¥¤¥ó¥È¤òÁª¤Ö¤³¤È¤¬¤Ç¤­¤Þ¤¹)¡£‘#‘ (VMS ¤Ç¤Ï ‘!‘) ¤Ç»Ï¤Þ¤ë¹Ô¤Ï¡¢¥³¥á¥ó¥È¤È¤·¤Æ°·¤ï¤ì¡¢Ìµ»ë¤µ¤ì¤Þ¤¹¡£³Æ¥Ç ¡¼¥¿ÅÀ¤Ï¡¢(x,y) ¤ÎÁȤòɽ¤·¤Þ¤¹¡£¥¨¥é¡¼¥Ð¡¼¡¢¤Þ¤¿¤ÏÀÞ¤ìÀþɽ¼¨ÉÕ¥¨¥é¡¼¥Ð ¡¼¤Î plot ¤Ç¤Ï (°Ê²¼»²¾È: errorbars, errorlines)¡¢³Æ¥Ç¡¼¥¿ÅÀ¤Ï¡¢(x,y,ydelta), (x,y,ylow,yhigh), (x,y,xdelta), (x,y,xlow,xhigh), (x,y,xlow,xhigh,ylow,yhigh) ¤Î¤¤¤º¤ì¤« ¤ò°ÕÌ£¤·¤Þ¤¹¡£

¤É¤ó¤Ê¾ì¹ç¤Ç¤â¡¢½ñ¼°¤Î»ØÄê»Ò¤¬ using ¥ª¥×¥·¥ç¥ó¤Ë¤è¤Ã¤ÆÍ¿¤¨¤é¤ì¤Æ¤¤ ¤Ê¤±¤ì¤Ð¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î³Æ¹Ô¤Î¿ô»ú¤Ï¡¢¥Û¥ï¥¤¥È¥¹¥Ú¡¼¥¹ (°ì¤Ä¤Þ¤¿¤ÏÊ£ ¿ô¤Î¶õÇò¤«¥¿¥Ö) ¤Ë¤è¤Ã¤Æ¶èÀÚ¤é¤ì¤Æ¤¤¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£¤³¤Î¥Û¥ï¥¤¥È¥¹¥Ú ¡¼¥¹¤Ï¡¢³Æ¹Ô¤òÎó¤Î¹àÌܤ˶èÀÚ¤ê¤Þ¤¹¡£¤¿¤À¤·¡¢Æó½Å°úÍÑÉä¤Ç°Ï¤Þ¤ì¤¿¥Û¥ï¥¤ ¥È¥¹¥Ú¡¼¥¹¤ÏÎó¤Î´ªÄê¤Ç¤Ï̵»ë¤µ¤ì¡¢¤è¤Ã¤Æ¼¡¤Î¤è¤¦¤Ê¥Ç¡¼¥¿¹Ô¤Ï 3 Îó¡¢¤È ¸«¤Ê¤µ¤ì¤Þ¤¹:

      1.0 "second column" 3.0

¥Ç¡¼¥¿¤Ï¡¢»Ø¿ôÉô¤Ë e, E ¤Îʸ»ú¤ò¤Ä¤±¤¿»Ø¿ôɽµ­¤Ç½ñ¤«¤ì¤Æ¤¤¤Æ¤â¹½¤¤¤Þ¤» ¤ó¡£¥³¥Þ¥ó¥É ‘set datafile fortran‘ ¤¬Í­¸ú¤Ê¾ì¹ç¤Ï¡¢fortran ¤Î»Ø¿ô»ØÄê »Ò d, D, q, Q ¤â»È¤¨¤Þ¤¹¡£

ɬÍפǤ¢¤ë¤Î¤Ï¤¿¤À°ì¤Ä¤ÎÎó (y ¤ÎÃÍ) ¤Î¤ß¤Ç¤¹¡£¤â¤· x ¤ÎÃͤ¬¾Êά¤µ¤ì¤¿ ¤é¡¢‘gnuplot‘ ¤Ï¤½¤ì¤ò 0 ¤Ç»Ï¤Þ¤ëÀ°¿ôÃͤȤ·¤ÆÍÑ°Õ¤·¤Þ¤¹¡£

¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Ë¤ª¤¤¤Æ¡¢¥Ö¥é¥ó¥¯¹Ô (¶õÇò¤È²þ¹Ô¡¢Éüµ¢°Ê³°¤Ëʸ»ú¤ò´Þ¤Þ¤Ê ¤¤¹Ô) ¤Ï½ÅÍפǤ¹¡£

1 ¹Ô¤Î¥Ö¥é¥ó¥¯¹Ô¤Ï¡¢plot ¤ËÉÔϢ³¤ò»Ø¼¨¤·¤Þ¤¹; ¥Ö¥é¥ó¥¯¹Ô¤Ë¤è¤Ã¤Æ¶è ÀÚ¤é¤ì¤¿ÅÀ¤ÏÀþ¤Ç·ë¤Ð¤ì¤ë¤³¤È¤Ï¤¢¤ê¤Þ¤»¤ó (line style ¤Ç½ñ¤«¤ì¤Æ¤¤¤ë¾ì ¹ç¤Ë¤Ï)¡£

2 ¹Ô¤Î¥Ö¥é¥ó¥¯¹Ô¤Ï¡¢ÊÌ¡¹¤Î¥Ç¡¼¥¿½¸¹ç´Ö¤Î¶èÀÚ¤ê¤ò¼¨¤·¤Þ¤¹¡£°Ê²¼»²¾È: index¡£

¤â¤· autoscale ¤Î¾õÂ֤Ǥ¢¤ì¤Ð (°Ê²¼»²¾È: autoscale)¡¢¼´¤ÏÁ´¤Æ¤Î ¥Ç¡¼¥¿¥Ý¥¤¥ó¥È¤ò´Þ¤à¤è¤¦¤Ë¼«Æ°Åª¤Ë°ú¤­¿­¤Ð¤µ¤ì¤Æ¡¢ÌÜÀ¹¤ê¤¬½ñ¤«¤ì¤ë¾õÂÖ ¤Ê¤é¤ÐÁ´¤Æ¤ÎÌÜÀ¹¤ê¤¬¥Þ¡¼¥¯¤µ¤ì¤Þ¤¹¡£¤³¤ì¤Ï¡¢2 ¤Ä¤Î·ë²Ì¤ò°ú¤­µ¯¤³¤·¤Þ¤¹: i) ‘splot‘ ¤Ç¤Ï¡¢¶ÊÌ̤γѤÏÄìÌ̤γѤ˰ìÃפ·¤Æ¤¤¤Ê¤¤¤³¤È¤¬¤¢¤ê¤Þ¤¹¡£¤³ ¤Î¾ì¹ç¡¢½Ä¤ÎÀþ¤Ï½ñ¤«¤ì¤ë¤³¤È¤Ï¤¢¤ê¤Þ¤»¤ó¡£ii) 2 ¼ïÎà¤Î¼´¤Ç¤Î¡¢Æ±¤¸ x ¤ÎÈϰϤΥǡ¼¥¿¤Îɽ¼¨¤ÎºÝ¡¢¤â¤· x2 ¤Î¼´¤ËÂФ¹¤ëÌÜÀ¹¤ê¤¬½ñ¤«¤ì¤Æ¤¤¤Ê¤¤¾ì ¹ç¤Ï¡¢x ºÂɸ¤¬¤¢¤Ã¤Æ¤¤¤Ê¤¤¤³¤È¤¬¤¢¤ê¤Þ¤¹¡£¤³¤ì¤Ï x ¼´ (x1) ¤ÏÁ´¤Æ¤ÎÌÜ À¹¤ê¤Ë¤Þ¤Ç¼«Æ°Åª¤Ë°ú¤­±ä¤Ð¤µ¤ì¤ë¤Î¤ËÂФ·¡¢x2 ¼´¤Ï¤½¤¦¤Ç¤Ï¤Ê¤¤¤«¤é¤Ç¤¹¡£ ¼¡¤ÎÎã¤Ç¤½¤ÎÌäÂê¤ò¸«¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹:

      reset; plot '-', '-' axes x2y1
      1 1
      19 19
      e
      1 1
      19 19
      e

¤³¤ì¤òÈò¤±¤ë¤Ë¤Ï¡¢autoscale ¥³¥Þ¥ó¥É¤Î ‘fixmin‘/‘fixmax‘ ¥ª¥×¥· ¥ç¥ó¤ò»È¤¦¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤³¤ì¤Ï¡¢¼¡¤ÎÌÜÀ¹¤ê¤Î¹ï¤ß¤Ë¹ç¤¦¤è¤¦¤Ë¼´¤ÎÈÏ°Ï ¤ò¼«Æ°Åª¤Ë³ÈÄ¥¤¹¤ëµ¡Ç½¤ò̵¸ú¤Ë¤·¤Þ¤¹¡£

¥é¥Ù¥ë¤ÎºÂɸ¤Èʸ»úÎó¤â¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤«¤éÆɤ߹þ¤à¤³¤È¤¬¤Ç¤­¤Þ¤¹ (°Ê²¼»² ¾È: labels)¡£

3.15.3.1 every

¥­¡¼¥ï¡¼¥É every ¤Ï¡¢ÉÁ²è¤¹¤ë¥Ç¡¼¥¿¤ò¥Ç¡¼¥¿½¸¹ç¤«¤é¼þ´üŪ¤Ë¥µ¥ó¥×¥ê ¥ó¥°¤¹¤ë¤³¤È¤ò²Äǽ¤Ë¤·¤Þ¤¹¡£

¤³¤³¤Ç¤Ï ¡Ö¥Ý¥¤¥ó¥È¡×¤Ï¥Õ¥¡¥¤¥ëÃæ¤Î 1 ¤Ä¤Î¹Ô¤Ë¤è¤Ã¤ÆÄêµÁ¤µ¤ì¤ë¥Ç¡¼¥¿¤È ¤·¡¢¤³¤³¤Ç¤Î¡Ö¥Ö¥í¥Ã¥¯¡×¤Ï¡Ö¥Ç¡¼¥¿¡¦¥Ö¥í¥Ã¥¯¡×(°Ê²¼»²¾È: ‘glossary‘) ¤ÈƱ¤¸¤â¤Î¤ò°ÕÌ£¤¹¤ë¤³¤È¤È¤·¤Þ¤¹¡£

½ñ¼°:

         plot 'file' every {<¥Ý¥¤¥ó¥ÈÁýʬ>}
                           {:{<¥Ö¥í¥Ã¥¯Áýʬ>}
                             {:{<³«»Ï¥Ý¥¤¥ó¥È>}
                               {:{<³«»Ï¥Ö¥í¥Ã¥¯>}
                                 {:{<½ªÎ»¥Ý¥¤¥ó¥È>}
                                   {:<½ªÎ»¥Ö¥í¥Ã¥¯>}}}}}

ÉÁ²è¤¹¤ë¥Ç¡¼¥¿¥Ý¥¤¥ó¥È¤Ï¡¢<³«»Ï¥Ý¥¤¥ó¥È> ¤«¤é <½ªÎ»¥Ý¥¤¥ó¥È> ¤Þ¤Ç <¥Ý ¥¤¥ó¥ÈÁýʬ> ¤ÎÁý²Ã¤ÇÁª¤Ó¡¢¥Ö¥í¥Ã¥¯¤Ï <³«»Ï¥Ö¥í¥Ã¥¯> ¤«¤é <½ªÎ»¥Ö¥í¥Ã¥¯> ¤Þ¤Ç <¥Ö¥í¥Ã¥¯Áýʬ> ¤ÎÁý²Ã¤ÇÁª¤Ó¤Þ¤¹¡£

³Æ¥Ö¥í¥Ã¥¯¤ÎºÇ½é¤Î¥Ç¡¼¥¿¤Ï¡¢¥Õ¥¡¥¤¥ëÃæ¤ÎºÇ½é¤Î¥Ö¥í¥Ã¥¯¤ÈƱ¤¸¤è¤¦¤Ë¡¢ ¡Ö0 È֡פȿô¤¨¤Þ¤¹¡£

¥×¥í¥Ã¥È¤Ç¤­¤Ê¤¤¾ðÊó¤ò´Þ¤à¹Ô¤â¥«¥¦¥ó¥È¤¹¤ë¤³¤È¤ËÃí°Õ¤·¤Æ²¼¤µ¤¤¡£

¤¤¤¯¤Ä¤«¤Î¿ô»ú¤Ï¾Êά¤Ç¤­¤Þ¤¹; Áýʬ¤Î¥Ç¥Õ¥©¥ë¥È¤Ï 1 ¡¢³«»Ï¤ÎÃͤϺǽé¤Î ¥Ý¥¤¥ó¥È¤«ºÇ½é¤Î¥Ö¥í¥Ã¥¯¡¢¤½¤·¤Æ½ªÎ»¤ÎÃͤϺǸå¤Î¥Ý¥¤¥ó¥È¤«ºÇ¸å¤Î¥Ö¥í¥Ã ¥¯¤ËÀßÄꤷ¤Þ¤¹¡£every ¤Î¥ª¥×¥·¥ç¥ó¤¬ ’:’ ¤Ç½ª¤ï¤ë¤Î¤Ïµö¤µ¤ì¤Æ¤¤¤Þ¤» ¤ó¡£every ¤ò»ØÄꤷ¤Ê¤±¤ì¤Ð¡¢Á´¤Æ¤Î¹Ô¤ÎÁ´¤Æ¤Î¥Ý¥¤¥ó¥È¤ò¥×¥í¥Ã¥È¤·¤Þ¤¹¡£

Îã:

       every :::3::3   # 4 ÈÖÌܤΥ֥í¥Ã¥¯¤À¤±Áª¤Ó¤Þ¤¹ (0 ÈÖ¤¬ºÇ½é)
       every :::::9    # ºÇ½é¤Î 10 ¥Ö¥í¥Ã¥¯¤òÁª¤Ó¤Þ¤¹
       every 2:2       # 1 ¤Ä¤ª¤­¤Î¥Ö¥í¥Ã¥¯¤Ç 1 ¤Ä¤ª¤­¤Î¥Ý¥¤¥ó¥È¤òÁª¤Ó
                       # ¤Þ¤¹
       every ::5::15   # ¤½¤ì¤¾¤ì¤Î¥Ö¥í¥Ã¥¯¤Ç¥Ý¥¤¥ó¥È 5 ¤«¤é 15 ¤Þ¤Ç¤ò
                       # Áª¤Ó¤Þ¤¹

»²¾È: ñ½ã¤Ê plot ¥Ç¥â (simple.dem) , Èó¥Ñ¥é¥á¡¼¥¿¥â¡¼¥É¤Ç¤Î splot ¥Ç¥â , ¥Ñ¥é¥á¡¼¥¿¥â¡¼¥É¤Ç¤Î splot ¥Ç¥â ¡£

3.15.3.2 ¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤ÎÎã (example)

¼¡¤ÎÎã¤Ï¡¢¥Õ¥¡¥¤¥ë "population.dat" Ãæ¤Î¥Ç¡¼¥¿¤ÈÍýÏÀ¶ÊÀþ¤ò¿Þ¤Ë¤¹¤ë¤â¤Î ¤Ç¤¹¡£

      pop(x) = 103*exp((1965-x)/10)
      set xrange [1960:1990]
      plot 'population.dat', pop(x)

¥Õ¥¡¥¤¥ë "population.dat" ¤Ï¼¡¤Î¤è¤¦¤Ê¥Õ¥¡¥¤¥ë¤Ç¤¹¡£

      # Gnu population in Antarctica since 1965
         1965   103
         1970   55
         1975   34
         1980   24
         1985   10

binary ¤ÎÎã:

      # 2 ¤Ä¤Î float ¤ÎÃͤòÁªÂò¤· (2 ¤ÄÌܤÎÃͤÏ̵°ÕÌ£)¡¢°ìÊý¤òÆɤ߼Τơ¢
      # °ì¤Ä¤ª¤­¤Î float Ãͤò̵¸Â¤ËŤ¯Â³¤¯ 1 ¼¡¸µ¥Ç¡¼¥¿¤È¤·¤Æ»ÈÍÑ
      plot '<file_name>' binary format="%float%*float" using 1:2 with lines

      # ¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤«¤éºÂɸ¤òÀ¸À®¤¹¤ë¤Î¤ËɬÍפʾðÊó¤ò¤¹¤Ù¤Æ¤½¤Î¥Ø¥Ã
      # ¥À¤Ë´Þ¤ó¤Ç¤¤¤ë EDF ¥Õ¥¡¥¤¥ë¤Î¾ì¹ç
      plot '<file_name>' binary filetype=edf with image
      plot '<file_name>.edf' binary filetype=auto with image

      # 3 ¤Ä¤ÎÉä¹æ¤Ê¤·Ê¸»ú·¿À°¿ôÃÍ (unsigned char) ¤òÀ¸¤Î RGB ²èÁü¤Î¿§
      # À®Ê¬¤È¤·¤ÆÁªÂò¤·¡¢y Êý¸þ¤Ïȿž¤µ¤»²èÁü¤ÎÊý¸þ¤òºÂɸʿÌ̾å¤ÇÊѹ¹
      # ¤¹¤ë (º¸¾å¤¬¸¶ÅÀ¤Ë¤Ê¤ë¤è¤¦¤Ë)¡£¥Ô¥¯¥»¥ë¤Î´Ö³Ö¤â»ØÄꤷ¡¢¥Õ¥¡¥¤
      # ¥ë¤Ë¤Ï 2 ¤Ä¤Î²èÁü¤¬´Þ¤Þ¤ì¤Æ¤¤¤Æ¡¢¤½¤Î¤¦¤Á°ì¤Ä¤Ï origin ¤ÇÊ¿¹Ô
      # °ÜÆ°¤¹¤ë¡£
      plot '<file_name>' binary array=(512,1024):(1024,512) format='%uchar' \
           dx=2:1 dy=1:2 origin=(0,0):(1024,1024) flipy u 1:2:3 w rgbimage

      # 4 ¤Ä¤ÎÊ̤Υǡ¼¥¿¤«¤é¤Ê¤ê¡¢ºÂɸ¾ðÊó¤â¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Ë´Þ¤Þ¤ì¤Æ¤¤
      # ¤ë¡£¥Õ¥¡¥¤¥ë¤Ï gnuplot ¤¬¼Â¹Ô¤µ¤ì¤Æ¤¤¤ë¥·¥¹¥Æ¥à¤È¤Ï°Û¤Ê¤ë¥¨¥ó
      # ¥Ç¥£¥¢¥ó¤ÇÀ¸À®¤µ¤ì¤Æ¤¤¤ë¡£
      splot '<file_name>' binary record=30:30:29:26 endian=swap u 1:2:3

      # Ʊ¤¸ÆþÎÏ¥Õ¥¡¥¤¥ë¤Ç¡¢º£²ó¤Ï 1 ÈÖÌÜ¤È 3 ÈÖÌܤΥ쥳¡¼¥É¤ò¥¹¥­¥Ã¥×
      splot '<file_name>' binary record=30:26 skip=360:348 endian=swap u 1:2:3

°Ê²¼»²¾È: matrix¡£

3.15.3.3 index

¥­¡¼¥ï¡¼¥É index ¤Ï¡¢ÉÁ²èÍѤËÊ£¿ô¤Î¥Ç¡¼¥¿½¸¹ç¤ò»ý¤Ä¥Õ¥¡¥¤¥ë¤«¤é¡¢Æà Äê¤Î¥Ç¡¼¥¿½¸¹ç¤òÁªÂò¤¹¤ë¤³¤È¤ò²Äǽ¤Ë¤·¤Þ¤¹¡£

½ñ¼°:

      plot 'file' index { <m>{:<n>{:<p>}} | "<name>" }

¥Ç¡¼¥¿½¸¹ç¤Ï 2 ¹Ô¤Î¶õÇò¤ÇʬΥ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£‘index <m>‘ ¤Ï <m> ÈÖÌܤν¸ ¹ç¤À¤±¤òÁªÂò¤·¤Þ¤¹; ‘index <m>:<n>‘ ¤Ï <m> ¤«¤é <n> ¤Þ¤Ç¤Î¥Ç¡¼¥¿½¸¹ç¤Î ÁªÂò; ‘index <m>:<n>:<p>‘ ¤Ï¡¢<m>, <m>+<p>, <m>+2<p>, ¤Ê¤É¡¢<p> ¤ª¤­¤Î ½¸¹ç¤òÁªÂò¤·¡¢½¸¹ç <n> ¤Ç½ªÎ»¤·¤Þ¤¹¡£C ¸À¸ì¤Îź»ú (index) ¤ÎÉÕ¤±Êý¤Ë½¾ ¤¤¡¢index 0 ¤Ï¤½¤Î¥Õ¥¡¥¤¥ë¤ÎºÇ½é¤Î¥Ç¡¼¥¿½¸¹ç¤ò°ÕÌ£¤·¤Þ¤¹¡£Â礭¤¹¤®¤ë index ¤Î»ØÄê¤Ë¤Ï¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤¬ÊÖ¤µ¤ì¤Þ¤¹¡£<p> ¤ò»ØÄꤷ¡¢<n> ¤ò¶õÍó ¤Ë¤·¤¿¾ì¹ç¡¢<p> Ëè¤Î¥Ç¡¼¥¿¤ò¥Õ¥¡¥¤¥ë¤ÎºÇ¸å¤Þ¤ÇÆɤ߹þ¤ß¤Þ¤¹¡£index ¤ò »ØÄꤷ¤Ê¤¤¾ì¹ç¤Ï¡¢¥Õ¥¡¥¤¥ë¤Î¥Ç¡¼¥¿Á´ÂΤòñ°ì¤Î¥Ç¡¼¥¿½¸¹ç¤È¤·¤ÆÉÁ²è¤·¤Þ ¤¹¡£

Îã:

      plot 'file' index 4:5

¥Õ¥¡¥¤¥ë¤Î³ÆÅÀ¤ËÂФ·¤Æ¡¢¤½¤ì¤¬´Þ¤Þ¤ì¤ë¥Ç¡¼¥¿½¸¹ç¤Î index Ãͤϡ¢µ¿»÷Îó ‘column(-2)‘ ¤ÇÍøÍѤǤ­¤Þ¤¹¡£¤³¤ì¤Ï¡¢°Ê²¼¤Ë¸«¤ë¤è¤¦¤Ë¡¢¤½¤Î¥Õ¥¡¥¤¥ëÆ⠤θġ¹¤Î¥Ç¡¼¥¿½¸¹ç¤ò¶èÊ̤¹¤ëÊ̤ÎÊýË¡¤òÄ󶡤·¤Þ¤¹¡£¤³¤ì¤Ï¡¢ÉÁ²èÍÑ¤Ë 1 ¤Ä¤Î¥Ç¡¼¥¿½¸¹ç¤ÎÁªÂò¤·¤«¤·¤Ê¤¤¾ì¹ç¤Ï index ¥³¥Þ¥ó¥É¤è¤ê¤âÉԳ湥¤Ç¤¹ ¤¬¡¢¸Ä¡¹¤Î¥Ç¡¼¥¿½¸¹ç¤Ë°Û¤Ê¤ë°À­¤ò³ä¤êÅö¤Æ¤¿¤¤¾ì¹ç¤Ë¤Ï¤È¤Æ¤âÊØÍø¤Ç¤¹¡£ °Ê²¼»²¾È: ‘pseudocolumns‘, ‘lc variable‘¡£

Îã:

      plot 'file' using 1:(column(-2)==4 ? $2 : NaN)        # ¤È¤Æ¤âÉԳ湥
      plot 'file' using 1:2:(column(-2)) linecolor variable # ¤È¤Æ¤âÊØÍø !

‘index ’<name>’‘ ¤Ï¡¢¥Ç¡¼¥¿½¸¹ç¤ò̾Á° ’<name>’ ¤ÇÁªÂò¤·¤Þ¤¹¡£Ì¾Á°¤Ï¥³ ¥á¥ó¥È¹Ô¤Ë½ñ¤¤¤Æ¥Ç¡¼¥¿½¸¹ç¤Ë³ä¤êÅö¤Æ¤Þ¤¹¡£¥³¥á¥ó¥Èʸ»ú¤È¤½¤ì¤Ë³¤¯¶õÇò ¤ò¤½¤Î¥³¥á¥ó¥È¹Ô¤«¤é¼è¤ê½ü¤¤¤Æ¡¢¤½¤Î·ë²Ì¤¬ <name> ¤«¤é»Ï¤Þ¤Ã¤Æ¤¤¤ì¤Ð¡¢ ¤½¤ì¤Ë³¤¯¥Ç¡¼¥¿½¸¹ç¤Ë <name> ¤È¤¤¤¦Ì¾Á°¤¬¤Ä¤±¤é¤ì¤Æ¡¢¤½¤ì¤ò»ØÄê¤Ç¤­¤Þ ¤¹¡£

Îã:

      plot 'file' index 'Population'

<name> ¤Ç»Ï¤Þ¤ë¤¹¤Ù¤Æ¤Î¥³¥á¥ó¥È¤¬¤½¤ì¤Ë³¤¯¥Ç¡¼¥¿½¸¹ç¤Î̾Á°¤Ë¤Ê¤ë¤³¤È ¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£ÌäÂê¤òÈò¤±¤ë¤¿¤á¤Ë¡¢Î㤨¤Ð ’== Popolation ==’ ¤ä ’[Population]’ ¤Ê¤É¤Î̿̾ˡ¤òÁªÂò¤¹¤ë¤ÈÊØÍø¤Ç¤·¤ç¤¦¡£

index ¤ò»È¤Ã¤¿ splot ¤Î¥Ç¥â</p>

3.15.3.4 smooth

‘gnuplot‘ ¤Ï¡¢¥Ç¡¼¥¿¤ÎÊä´Ö¤È¶á»÷¤ò¹Ô¤¦ÈÆÍÑŪ¤Ê¥ë¡¼¥Á¥ó¤ò¤¤¤¯¤Ä¤«»ý¤Ã ¤Æ¤¤¤Þ¤¹¡£¤³¤ì smooth ¥ª¥×¥·¥ç¥ó¤ÎÃæ¤Ë¥°¥ë¡¼¥×²½¤µ¤ì¤Æ¤¤¤Þ¤¹¡£¤è¤ê ÀöÎý¤µ¤ì¤¿¥Ç¡¼¥¿½èÍý¤ò¤·¤¿¤±¤ì¤Ð¡¢³°Éô¤Ë¤ª¤¤¤Æ¥Ç¡¼¥¿¤ÎÁ°½èÍý¤ò¤¹¤ë¤«¡¢ ¤Þ¤¿¤ÏŬÀڤʥâ¥Ç¥ë¤Ç fit ¤ò»È¤¦¤Î¤¬¤¤¤¤¤Ç¤·¤ç¤¦¡£

½ñ¼°:

      smooth {unique | frequency | cumulative | cnormal | kdensity
                     | csplines | acsplines | bezier | sbezier}

‘unique‘, ‘frequency‘, ‘cumulative‘, ‘cnormal‘ ¤Ï¡¢¥Ç¡¼¥¿¤òñĴ¤Ë·¤¨ ¤¿¸å¤Ç¤½¤ì¤é¤ò plot ¤·¤Þ¤¹¡£Â¾¤Î¥ë¡¼¥Á¥ó¤Ï¤¤¤º¤ì¤â¡¢¥Ç¡¼¥¿¤Îξü¤ÎÅÀ¤Î ´Ö¤ò·ë¤Ö¡¢¤¢¤ëϢ³¶ÊÀþ¤Î·¸¿ô¤ò·èÄꤹ¤ë¤¿¤á¤Ë¥Ç¡¼¥¿¤ò»È¤¤¤Þ¤¹¡£¤³¤Î¶ÊÀþ ¤Ï¡¢´Ø¿ô¤È¤·¤ÆƱ¤¸ÊýË¡¤ÇÉÁ²è¤µ¤ì¤Þ¤¹¡£¤¹¤Ê¤ï¤Á¡¢¤½¤ì¤é¤ÎÃÍ¤Ï x ºÂɸ¤Ë ±è¤¦Æ±¤¸Éý¤Î¶è´Ö¤´¤È¤ËÁª¤Ð¤ì (°Ê²¼»²¾È: samples)¡¢¤½¤ì¤é¤ÎÅÀ¤òÀþ ʬ¤Ç¤Ä¤Ê¤°¤³¤È¤Ë¤è¤ê (¤â¤· line style ¤¬Áª¤Ð¤ì¤Æ¤¤¤ë¤Î¤Ê¤é¤Ð) ÉÁ²è¤µ¤ì ¤Þ¤¹¡£

¤â¤· autoscale ¤Î¾õÂ֤Ǥ¢¤ì¤Ð¡¢ÉÁ²èÈϰϤϥ°¥é¥Õ¤Î¶­³¦Àþ¤ÎÃæ¤Ë¶ÊÀþ¤¬ ¼ý¤Þ¤ë¤è¤¦¤Ë·×»»¤µ¤ì¤Þ¤¹¡£

¤â¤· autoscale ¤Î¾õÂ֤Ǥʤ¯¡¢smooth ¤Î¥ª¥×¥·¥ç¥ó¤¬ ‘acsplines‘ ¤« ‘csplines‘ ¤Ç¤¢¤ì¤Ð¡¢À¸À®¤¹¤ë¶ÊÀþ¤ÎɸËܲ½¤Ï¡¢ÆþÎϥǡ¼¥¿¤ò´Þ¤à¤è¤¦¤Ê x ¤ÎÈϰϤȡ¢xrange ¤Ê¤É¤ÇÄêµÁ¤µ¤ì¤ë¸ÇÄꤵ¤ì¤¿²£ºÂɸ¤ÎÈϰϤζ¦ÄÌÉô ʬ¤Î¾å¤Ç¹Ô¤Ê¤ï¤ì¤Þ¤¹¡£

ÁªÂò¤µ¤ì¤¿¥ª¥×¥·¥ç¥ó¤òŬÍѤ¹¤ë¤Î¤Ë¥Ç¡¼¥¿¤ÎÅÀ¿ô¤¬¾¯¤Ê¤¹¤®¤ë¾ì¹ç¤Ï¡¢¥¨ ¥é¡¼¥á¥Ã¥»¡¼¥¸¤¬É½¼¨¤µ¤ì¤Þ¤¹¡£¤½¤ÎºÇ¾®¤Î¥Ç¡¼¥¿¿ô¤Ï ‘unique‘ ¤È ‘frequency‘ ¤Ç¤Ï 1 ¤Ä¡¢‘acsplines‘ ¤Ç¤Ï 4 ¤Ä¡¢Â¾¤Î¥ª¥×¥·¥ç¥ó¤Ç¤Ï 3 ¤Ä ¤Ç¤¹¡£

smooth ¥ª¥×¥·¥ç¥ó¤Ï¡¢´Ø¿ô¤ÎÉÁ²è¤Î¤È¤­¤Ë¤Ï̵»ë¤µ¤ì¤Þ¤¹¡£

— ACSPLINES —

‘acsplines‘ ¥ª¥×¥·¥ç¥ó¤Ï¡Ö¼«Á³¤Ê³ê¤é¤«¤Ê¥¹¥×¥é¥¤¥ó¡×¤Ç¥Ç¡¼¥¿¤ò¶á»÷¤·¤Þ ¤¹¡£¥Ç¡¼¥¿¤¬ x ¤Ë´Ø¤·¤ÆñĴ¤Ë¤µ¤ì¤¿¸å (°Ê²¼»²¾È: ‘smooth unique‘)¡¢1 ¤Ä¤Î¶ÊÀþ¤¬¡¢¤¤¤¯¤Ä¤«¤Î 3 ¼¡Â¿¹à¼°¤Î°ìÉôʬ¤Ë¤è¤ê¶èʬŪ¤Ë¹½À®¤µ¤ì¤Þ¤¹¡£ ¤½¤ì¤é¤Î 3 ¼¡¼°¤Î·¸¿ô¤Ï¡¢¤¤¤¯¤Ä¤«¤Î¥Ç¡¼¥¿¥Ý¥¤¥ó¥È¤Î½Å¤ßÉÕ¤±¤Ë¤è¤Ã¤Æµá ¤á¤é¤ì¤Þ¤¹¡£½Å¤ß¤Ï¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î 3 ÎóÌܤËÍ¿¤¨¤Þ¤¹¡£¤½¤Î¥Ç¥Õ¥©¥ë¥È ¤ÎÃͤϡ¢using ¤Î 3 ÈÖÌܤιàÌܤˤè¤Ã¤ÆÊѹ¹¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£Î㤨¤Ð ¼¡¤Î¤è¤¦¤Ë¤·¤Þ¤¹¡£

      plot 'data-file' using 1:2:(1.0) smooth acsplines

À­¼Á¾å¡¢½Å¤ß¤ÎÀäÂÐŪ¤ÊÂ礭¤µ¤Ï¡¢¶ÊÀþ¤ò¹½À®¤¹¤ë¤Î¤Ë»È¤ï¤ì¤ë¶èʬ¤Î¿ô¤ò·è Äꤷ¤Þ¤¹¡£¤â¤·½Å¤ß¤¬Â礭¤±¤ì¤Ð¡¢¸Ä¡¹¤Î¥Ç¡¼¥¿¤Î±Æ¶Á¤ÏÂ礭¤¯¤Ê¤ê¡¢¤½¤·¤Æ ¤½¤Î¶ÊÀþ¤Ï¡¢ÎÙ¤ê¹ç¤¦ÅÀƱ»Ö¤ò¼«Á³ 3 ¼¡¥¹¥×¥é¥¤¥ó¤Ç¤Ä¤Ê¤¤¤ÇÆÀ¤é¤ì¤ë¤â¤Î ¤Ë¶á¤Å¤­¤Þ¤¹¡£¤â¤·½Å¤ß¤¬¾®¤µ¤±¤ì¤Ð¡¢¤½¤Î¶ÊÀþ¤Ï¤è¤ê¾¯¤Ê¤¤¶èʬ¤Ç¹½À®¤µ¤ì¡¢ ¤½¤ì¤Ë¤è¤Ã¤Æ¤è¤êÊ¿³êŪ¤Ë¤Ê¤ê¤Þ¤¹¡£¤½¤ÎºÇ¤â¶Ëü¤Ê¾ì¹ç¤Ï¤¿¤À 1 ¤Ä¤Î¶èʬ ¤«¤é¤Ê¤ë¾ì¹ç¤Ç¤¢¤ê¡¢¤½¤ì¤ÏÁ´¤Æ¤Î¥Ç¡¼¥¿¤Ë½Å¤ß¤ÎÉÕ¤­Àþ·ÁºÇ¾® 2 ¾è¶á»÷¤Ë ¤è¤Ã¤Æºî¤é¤ì¤Þ¤¹¡£¸íº¹¤ÎΩ¾ì¤«¤é¸À¤¨¤Ð¡¢Ê¿³ê¤µ¤Î½Å¤ß¤Ï¡¢¤½¤Î¶ÊÀþ¤ËÂФ¹ ¤ë¡ÖÊ¿³ê²½°ø»Ò¡×¤Ë¤è¤Ã¤Æʬ³ä¤µ¤ì¤¿³ÆÅÀ¤Ø¤Î¡¢Åý·×Ū¤Ê½Å¤ß¤È¸«¤ë¤³¤È¤¬¤Ç ¤­¤Þ¤¹¡£¤½¤ì¤Ë¤è¤ê¡¢¤½¤Î¥Õ¥¡¥¤¥ëÃæ¤Î (ɸ½àŪ¤Ê) ¸íº¹¤ÏÊ¿³ê¤µ¤Î½Å¤ß¤È¤· ¤Æ»È¤¦¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

Îã:

      sw(x,S)=1/(x*x*S)
      plot 'data_file' using 1:2:(sw($3,100)) smooth acsplines

— BEZIER —

‘bezier‘ ¥ª¥×¥·¥ç¥ó¤Ï¡¢n ¼¡ (¥Ç¡¼¥¿ÅÀ¤Î¸Ä¿ô) ¤Î¥Ù¥¸¥§¶ÊÀþ¤Ç¥Ç¡¼¥¿¤ò¶á »÷¤·¤Þ¤¹¡£¤³¤Î¶ÊÀþ¤Ïξü¤ÎÅÀ¤ò¤Ä¤Ê¤®¤Þ¤¹¡£

— CSPLINES —

‘csplines‘ ¥ª¥×¥·¥ç¥ó¤Ï¥Ç¡¼¥¿¤òñĴ¤Ë·¤¨¤¿¸å¤Ç (°Ê²¼»²¾È: ‘smooth unique‘) ¼«Á³ 3 ¼¡¥¹¥×¥é¥¤¥ó¶ÊÀþ¤Ç°ú¤­Â³¤¯ÅÀ¤ò¤Ä¤Ê¤®¤Þ¤¹¡£

— SBEZIER —

‘sbezier‘ ¥ª¥×¥·¥ç¥ó¤Ï¡¢ºÇ½é¤Ë¥Ç¡¼¥¿¤òñĴ¤Ë·¤¨ (°Ê²¼»²¾È: ‘unique‘) ¤½¤·¤Æ ‘bezier‘ ¥¢¥ë¥´¥ê¥º¥à¤òŬÍѤ·¤Þ¤¹¡£

— UNIQUE —

‘unique‘ ¥ª¥×¥·¥ç¥ó¤Ï¡¢¥Ç¡¼¥¿¤ò x Êý¸þ¤ËñĴ¤Ë¤·¤Þ¤¹¡£Æ±¤¸ x ¤ò»ý¤Ä¥Ç ¡¼¥¿ÅÀ¤Ï y ¤ÎÃͤòÊ¿¶Ñ¤·¤Æ°ì¤Ä¤ÎÅÀ¤ÇÃÖ¤­´¹¤¨¤Þ¤¹¡£¤½¤·¤Æ¤½¤Î·ë²Ì¤È¤·¤Æ ÆÀ¤é¤ì¤ëÅÀ¤òÀþʬ¤Ç·ë¤Ó¤Þ¤¹¡£

— FREQUENCY —

¥ª¥×¥·¥ç¥ó ‘frequency‘ ¤Ï¡¢¥Ç¡¼¥¿¤ò x ¤Ë´Ø¤·¤ÆñĴ¤Ë¤·¤Þ¤¹¡£x ºÂɸ¤¬Æ± ¤¸ÅÀ¤Ï¡¢¤½¤ì¤é¤Î y ¤ÎÃͤιç·×¤ò y ¤ÎÃͤȤ·¤Æ»ý¤Ä°ì¤Ä¤ÎÅÀ¤ËÃÖ¤­´¹¤¨¤é¤ì ¤Þ¤¹¡£·ë²Ì¤È¤·¤Æ¤½¤ì¤é¤ÎÅÀ¤Ï¿¿¤Ã¤¹¤°¤ÊÀþʬ¤Ç·ë¤Ð¤ì¤ë¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£ °Ê²¼¤â»²¾È¡£ smooth.dem

— CUMULATIVE —

¥ª¥×¥·¥ç¥ó ‘cumulative‘ ¤Ï¡¢¥Ç¡¼¥¿¤ò x ¤Ë´Ø¤·¤ÆñĴ¤Ë¤·¤Þ¤¹¡£x ºÂɸ¤¬ Ʊ¤¸ÅÀ¤Ï¡¢¤½¤ì°Ê²¼¤Î x ¤ÎÃͤò»ý¤Ä¤¹¤Ù¤Æ¤ÎÅÀ (¤¹¤Ê¤ï¤Á¸½ºß¤Î¥Ç¡¼¥¿ÅÀ¤Î º¸Â¦¤ÎÅÀ) ¤ËÂФ¹¤ë y ¤ÎÃͤÎÎßÀÑŪ¤Ê¹ç·×¤ò y ¤ÎÃͤȤ·¤Æ»ý¤Ä°ì¤Ä¤ÎÅÀ¤ËÃÖ ¤­´¹¤¨¤é¤ì¤Þ¤¹¡£¤³¤ì¤Ï¡¢¥Ç¡¼¥¿¤«¤éÎßÀÑʬÉÛ´Ø¿ô¤òÆÀ¤ë¤Î¤ËÍøÍѤǤ­¤Þ¤¹¡£ °Ê²¼¤â»²¾È¡£ smooth.dem

— CNORMAL —

¥ª¥×¥·¥ç¥ó ‘cnormal‘ ¤Ï¡¢x ¤Ë´Ø¤·¤ÆñĴ¤Ç¡¢y ¤ÎÃÍ¤Ï [0:1] ¤ËÀµµ¬²½¤µ¤ì ¤¿¥Ç¡¼¥¿¤òÀ¸À®¤·¤Þ¤¹¡£Æ±¤¸ x ¤ÎÃͤò»ý¤ÄÅÀ¤¬Ê£¿ô¤¢¤ë¾ì¹ç¤Ï¡¢¤½¤ì¤è¤ê¾® ¤µ¤¤ x ¤ÎÃͤò»ý¤Ä¤¹¤Ù¤Æ¤Î¥Ç¡¼¥¿ÅÀ (¤¹¤Ê¤ï¤Á¸½ºß¤Î¥Ç¡¼¥¿ÅÀ¤è¤ê¤âº¸¤Ë¤¢ ¤ëÅÀ) ¤ÎÎßÀÑϤò¡¢¤¹¤Ù¤Æ¤Î y ¤ÎÃͤÎϤdzä¤Ã¤¿Ãͤò y ¤ÎÃͤȤ·¤Æ»ý¤Ä¤è¤¦ ¤Ê°ìÅÀ¤Î¥Ç¡¼¥¿¤ËÃÖ¤­ÊѤ¨¤é¤ì¤Þ¤¹¡£¤³¤ì¤Ï¡¢¥Ç¡¼¥¿¤«¤éÀµµ¬²½¤µ¤ì¤¿ÎßÀÑʬ ÉÛ´Ø¿ô¤òÆÀ¤ë¤Î¤Ë»È¤¨¤Þ¤¹ (ÆäËɸËÜÅÀ¿ô¤Î°Û¤Ê¤ë¥Ç¡¼¥¿½¸¹ç¤òÈæ³Ó¤¹¤ë¤Î¤Ë Í­ÍѤǤ¹)¡£ °Ê²¼¤â»²¾È¡£ smooth.dem

— KDENSITY —

¥ª¥×¥·¥ç¥ó ‘kdensity‘ ¤Ï¡¢¥¬¥¦¥¹³Ë¤òÍѤ¤¤¿¡¢¥é¥ó¥À¥àÁªÂòÅÀ¤Î³ËÌ©ÅÙɾ²Á (¤½¤ì¤Ï³ê¤é¤«¤Ê¥Ò¥¹¥È¥°¥é¥à¤Ë¤Ê¤ê¤Þ¤¹) ¤òÉÁ²è¤¹¤ëÊýË¡¤Î°ì¤Ä¤Ç¤¹¡£¥¬¥¦ ¥¹³Ë¤¬Âè 1 Îó¤Î³ÆÅÀ¤Î°ÌÃÖ¤ËÃÖ¤«¤ì¡¢¤³¤ì¤é¤Î¥¬¥¦¥¹³Ë¤¹¤Ù¤Æ¤ÎϤ¬´Ø¿ô¤È ¤·¤ÆÉÁ²è¤µ¤ì¤Þ¤¹¡£2 ÎóÌܤÎÃͤϡ¢¥¬¥¦¥¹³Ë¤Î½Å¤ß¤È¤·¤Æ»ÈÍѤµ¤ì¤Þ¤¹¡£(Àµ µ¬²½¤µ¤ì¤¿¥Ò¥¹¥È¥°¥é¥à¤òÆÀ¤ë¤Ë¤Ï¡¢¤³¤ì¤ò 1/(ÅÀ¤Î¸Ä¿ô) ¤È¤¹¤Ù¤­¤Ç¤¹¡£) 3 ÎóÌܤÎÃͤ¬¤¢¤ì¤Ð¡¢¤½¤ì¤Ï¥¬¥¦¥¹³Ë¤Î¥Ð¥ó¥ÉÉý¤È¤·¤Æ»ÈÍѤµ¤ì¤Þ¤¹¡£2 Îó¤· ¤«»ØÄꤷ¤Ê¤¤¡¢¤¢¤ë¤¤¤Ï 3 ÎóÌܤÎÃͤ¬ 0 °Ê²¼¤Ç¤¢¤ì¤Ð¡¢gnuplot ¤ÏÆþÎϥǡ¼ ¥¿¤¬Àµµ¬Ê¬ÉۤǤ¢¤ë¾ì¹ç¤ËºÇŬ¤È¤Ê¤ë¤è¤¦¤Ê¥Ð¥ó¥ÉÉý¤ò·×»»¤·¤Þ¤¹¡£(¤³¤ì¤Ï Ä̾ï¤Ï¤È¤Æ¤âÊݼéŪ¤Ç¡¢¤¹¤Ê¤ï¤ÁÉý¹­¤¤¥Ð¥ó¥ÉÉý¤Ç¤¹¡£)

3.15.3.5 ÆÃÊ̤ʥե¡¥¤¥ë̾ (special-filenames)

ÆÃÊ̤ʰÕÌ£¤ò»ý¤Ä¥Õ¥¡¥¤¥ë̾¤È¤·¤Æ¡¢¼¡¤Î¤â¤Î¤¬¤¢¤ê¤Þ¤¹: ”, ’-’, ’+’, ’++’

¶õ¤Î¥Õ¥¡¥¤¥ë̾ ” ¤Ï¡¢Æ±¤¸ plot ¥³¥Þ¥ó¥É¾å¤Ç¡¢Ä¾Á°¤ÎÆþÎÏ¥Õ¥¡¥¤¥ë¤òºÆ¤Ó »ÈÍѤ¹¤ë¤³¤È¤ò gnuplot ¤Ë»Ø¼¨¤·¤Þ¤¹¡£¤è¤Ã¤Æ¡¢Æ±¤¸ÆþÎÏ¥Õ¥¡¥¤¥ë¤Î 2 ¤Ä¤Î ¥Ç¡¼¥¿Îó¤òÉÁ²è¤¹¤ë¤Ë¤Ï°Ê²¼¤Î¤è¤¦¤Ë¤·¤Þ¤¹:

      plot 'filename' using 1:2, '' using 1:3

’+’ ¤È ’++’ ¤È¤¤¤¦ÆÃÊ̤ʥե¡¥¤¥ë̾¤Ï¡¢using »ØÄê¤ÎÁ´ÂΤÈÉÁ²è¥¹¥¿¥¤¥ë ¤Ë¥¤¥ó¥é¥¤¥ó´Ø¿ô¤ò»È¤¨¤ë¤è¤¦¤Ë¤¹¤ë¤¿¤á¤Î»ÅÁȤߤǤ¹¡£Ä̾´Ø¿ôÉÁ²è¤Ï¥µ ¥ó¥×¥ëÅÀËè¤Ëñ°ì¤Î y (¤Þ¤¿¤Ï z) ¤ÎÃͤ·¤«»ý¤Æ¤Þ¤»¤ó¡£¤·¤«¤·µ¿»÷¥Õ¥¡¥¤¥ë ’+’ ¤Ï¤½¤ì¤¬¤¢¤¿¤«¤â¼ÂºÝ¤ÎÆþÎÏ¥Õ¥¡¥¤¥ë¤Ç¤¢¤ë¤è¤¦¤Ë¡¢using »ØÄê¤Ë¤è¤ë 1 ÎóÌܤÎÃͤòɸËÜÅÀ¤È¤·¤Æ°·¤¤¡¢¤µ¤é¤ËÄɲäÎÎó¤ÎÃͤò»ØÄꤹ¤ë¤³¤È¤â²Äǽ¤Ç ¤¹¡£ÊÖ¤µ¤ì¤ëɸËÜÅÀ¤Î¿ô¤Ï¡¢samples ¤ÇÀ©¸æ¤Ç¤­¤Þ¤¹¡£ Îã:

      plot '+' using ($1):(sin($1)):(sin($1)**2) with filledcurves

ƱÍͤˡ¢µ¿»÷¥Õ¥¡¥¤¥ë ’++’ ¤Ï¡¢x Êý¸þ¤Ï samples ¤ÇÀ©¸æ¤µ¤ì¤ëÅÀ¤Î ¿ô¡¢y Êý¸þ¤Ï isosamples ¤ÇÀ©¸æ¤µ¤ì¤ëÅÀ¤Î¿ô¤Î¡¢É¸½àŪ¤Ê [x,y] ºÂ ɸ¤Î³Ê»Ò¤òÀ¸À®¤¹¤ë 2 Îó¤Î¥Ç¡¼¥¿¤òÊÖ¤·¤Þ¤¹¡£’++’ ¤ÎÉÁ²è¤ÎÁ°¤Ë¡¢xrange ¤È yrange ¤òÀßÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£ Îã:

      splot '++' using 1:2:(sin($1)*sin($2)) with pm3d
      plot '++' using 1:2:(sin($1)*sin($2)) with image

‘’-’‘ ¤È¤¤¤¦ÆÃÊ̤ʥե¡¥¤¥ë̾¤Ï¡¢¥Ç¡¼¥¿¤¬¥¤¥ó¥é¥¤¥ó¤Ç¤¢¤ë¤³¤È¤ò»Ø¼¨¤· ¤Þ¤¹¡£¤¹¤Ê¤ï¤Á¡¢¥Ç¡¼¥¿¤ò¥³¥Þ¥ó¥É¤Î¸å¤Ë³¤±¤Æ»ØÄꤷ¤Þ¤¹¡£¤³¤Î¤È¤­¤Ï¥Ç ¡¼¥¿¤Î¤ß¤¬¥³¥Þ¥ó¥É¤Ë³¤­ÆÀ¤Þ¤¹¡£¤è¤Ã¤Æ¡¢plot ¥³¥Þ¥ó¥É¤ËÂФ¹¤ë¥Õ¥£¥ë ¥¿¡¼¡¢¥¿¥¤¥È¥ë¡¢¥é¥¤¥ó¥¹¥¿¥¤¥ë¤È¤¤¤Ã¤¿¥ª¥×¥·¥ç¥ó¤Ï¡¢plot ¤Î¥³¥Þ¥ó¥É ¥é¥¤¥ó¤ÎÊý¤Ë½ñ¤«¤Ê¤¤¤È¤¤¤±¤Þ¤»¤ó¡£¤³¤ì¤Ï¡¢unix ¥·¥§¥ë¥¹¥¯¥ê¥×¥È¤Ë¤ª¤± ¤ë << (¥Ò¥¢¥É¥­¥å¥á¥ó¥È)¡¢¤¢¤ë¤¤¤Ï VMS DCL ¤Ë¤ª¤±¤ë $DECK ¤ÈƱÍͤǤ¹¡£ ¤½¤Î¥Ç¡¼¥¿¤Ï¡¢¤½¤ì¤é¤¬¥Õ¥¡¥¤¥ë¤«¤éÆɤ߹þ¤Þ¤ì¤¿¤«¤Î¤è¤¦¤Ë¡¢1 ¹Ô¤Ë¤Ä¤­ 1 ¤Ä¤º¤Ä¤Î¥Ç¡¼¥¿ÅÀ¤¬ÆþÎϤµ¤ì¤Þ¤¹¡£¤½¤·¤Æ¥Ç¡¼¥¿¤Î½ª¤ê¤Ï¡¢1 ÎóÌܤλϤá¤Ë ʸ»ú "e" ¤òÃÖ¤¯¤³¤È¤Ç»Ø¼¨¤·¤Þ¤¹¡£using ¥ª¥×¥·¥ç¥ó¤ò¤³¤ì¤é¤Î¥Ç¡¼¥¿¤Ë ŬÍѤ¹¤ë¤³¤È¤Ï²Äǽ¤Ç¤¹¡£¤¢¤ë´Ø¿ô¤òÄ̤·¥Ç¡¼¥¿¤ò¥Õ¥£¥ë¥¿¡¼¤¹¤ë¤³¤È¤Ë»È¤¦ ¤Î¤Ï°ÕÌ£¤¬¤¢¤ë¤Ç¤·¤ç¤¦¤¬¡¢Îó¤òÁª¤Ö¤Î¤Ë»È¤¦¤³¤È¤Ï¿ʬ°ÕÌ£¤¬¤Ê¤¤¤Ç¤·¤ç¤¦¡£

‘’-’‘ ¤Ï¡¢¥Ç¡¼¥¿¤È¥³¥Þ¥ó¥É¤ò°ì½ï¤Ë»ý¤Ä¤³¤È¤¬Í­ÍѤǤ¢¤ë¾ì¹ç¤Î¤¿¤á¤Ë¤¢ ¤ê¤Þ¤¹¡£Î㤨¤Ð¡¢‘gnuplot‘ ¤¬¤¢¤ë¥Õ¥í¥ó¥È¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Î¥µ¥Ö¥×¥í¥» ¥¹¤È¤·¤Æµ¯Æ°¤µ¤ì¤ë¾ì¹ç¤Ê¤É¤¬¤³¤ì¤Ë¤¢¤¿¤ê¤Þ¤¹¡£Îã¤È¤·¤Æ¡¢¥Ç¥â¥ó¥¹¥È¥ì ¡¼¥·¥ç¥ó¤Ç¤³¤Îµ¡Ç½¤ò»È¤¦¤â¤Î¤¬¤¢¤ë¤Ç¤·¤ç¤¦¡£index ¤ä every ¤Î¤è¤¦ ¤Ê plot ¤Î¥ª¥×¥·¥ç¥ó¤¬Í¿¤¨¤é¤ì¤Æ¤¤¤ë¤È¡¢¤½¤ì¤é¤Ï¤¢¤Ê¤¿¤Ë»È¤ï¤ì¤ë¤³ ¤È¤Î¤Ê¤¤¥Ç¡¼¥¿¤òÆþÎϤ¹¤ë»ö¤ò¶¯Íפ·¤Þ¤¹¡£¼¡¤ÎÎã¤ò¸«¤Æ¤¯¤À¤µ¤¤¡£

      plot '-' index 0, '-' index 1
      2
      4
      6

      10
      12
      14
      e
      2
      4
      6

      10
      12
      14
      e

¤³¤ì¤Ï¡¢¼ÂºÝ¤ËÆ°ºî¤·¤Þ¤¹¤¬¡¢

      plot '-' , '-'
      2
      4
      6
      e
      10
      12
      14
      e

¤È¥¿¥¤¥×¤¹¤ëÊý¤¬³Ú¤Ç¤·¤ç¤¦¡£

¤â¤·¡¢replot ¥³¥Þ¥ó¥É¤Ç ‘’-’‘ ¤ò»È¤¦¤Ê¤é¡¢¤¢¤Ê¤¿¤Ï 1 Åٰʾå¥Ç¡¼¥¿¤ò ÆþÎϤ¹¤ëɬÍפ¬¤¢¤ë¤Ç¤·¤ç¤¦¡£°Ê²¼»²¾È: replot, refresh¡£

¶õ¤Î¥Õ¥¡¥¤¥ë̾ (”) ¤Ï¡¢Ä¾Á°¤Î¥Õ¥¡¥¤¥ë̾¤¬ºÆ¤Ó»È¤ï¤ì¤ë¤³¤È¤ò»Ø¼¨¤·¤Þ ¤¹¡£¤³¤ì¤Ï¡¢

      plot '¤¢¤ë/¤È¤Æ¤â/Ť¤/¥Õ¥¡¥¤¥ë̾' using 1:2, '' using 1:3, '' using 1:4

¤Î¤è¤¦¤Ê¤È¤­¤ËÊØÍø¤Ç¤¹¡£(¤â¤·Æ±¤¸ plot ¥³¥Þ¥ó¥É¾å¤Ç¡¢‘’-’‘ ¤È ‘”‘ ¤Î ξÊý¤ò»ÈÍѤ¹¤ë¤È¡¢¾å¤ÎÎã¤Ë¤¢¤ë¤è¤¦¤Ë¡¢¥¤¥ó¥é¥¤¥ó¥Ç¡¼¥¿¤Î 2 ¤Ä¤Î½¸¹ç¤ò Í¿¤¨¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£)

popen ´Ø¿ô¤ò»ý¤Ã¤Æ¤¤¤ë¥·¥¹¥Æ¥à¾å¤Ç¤Ï¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Ï¡¢’<’ ¤Ç»Ï¤Þ¤ë¥Õ ¥¡¥¤¥ë̾¤Ë¤è¤Ã¤Æ¡¢¥·¥§¥ë¥³¥Þ¥ó¥É¤«¤é¥Ñ¥¤¥×ÆþÎϤ¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£Î㤨 ¤Ð

      pop(x) = 103*exp(-x/10)
      plot "< awk '{print $1-1965, $2}' population.dat", pop(x)

¤Ï¡¢ºÇ½é¤Î¿Í¸ý¤ÎÎã¤ÈƱ¤¸¾ðÊó¤òÉÁ²è¤·¤Þ¤¹¡£¤¿¤À¤·¡¢x ºÂɸ¤Ï 1965 ǯ¤« ¤é¤Î·Ð²áǯ¤òɽ¤¹¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£¤³¤ÎÎã¤ò¼Â¹Ô¤¹¤ë¤È¤­¤Ï¡¢¾å¤Î¥Ç¡¼¥¿¥Õ ¥¡¥¤¥ë¤Î¥³¥á¥ó¥È¹Ô¤ò¤¹¤Ù¤Æºï½ü¤·¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¤¬¡¢¤Þ¤¿¤Ï¾å¤Î¥³¥Þ ¥ó¥É¤ÎºÇ½é¤ÎÉôʬ¤ò¼¡¤Î¤è¤¦¤ËÊѤ¨¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹ (¥³¥ó¥Þ¤Ë³¤¯Éôʬ):

      plot "< awk '$0 !~ /^#/ {print $1-1965, $2}' population.dat"

¤³¤Î¥¢¥×¥í¡¼¥Á¤ÏºÇ¤â½ÀÆðÀ­¤¬¤¢¤ê¤Þ¤¹¤¬¡¢using ¤¢¤ë¤¤¤Ï thru ¥­¡¼ ¥ï¡¼¥É¤òÍѤ¤¤¿Ã±½ã¤Ê¥Õ¥£¥ë¥¿¥ê¥ó¥°¤Ç¹Ô¤¦¤³¤È¤â²Äǽ¤Ç¤¹¡£

fdopen() ´Ø¿ô¤ò»ý¤Ä¥·¥¹¥Æ¥à¤Ç¤Ï¡¢¥Ç¡¼¥¿¤ò¡¢¥Õ¥¡¥¤¥ë¤«¥Ñ¥¤¥×¤Ë·ë¤Ó¤Ä¤± ¤é¤ì¤¿Ç¤°Õ¤Î¥Õ¥¡¥¤¥ë¥Ç¥¹¥¯¥ê¥×¥¿¤«¤éÆɤ߹þ¤à¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£‘n‘ ÈÖ¤Î¥Õ ¥¡¥¤¥ë¥Ç¥¹¥¯¥ê¥×¥¿¤«¤éÆɤ߹þ¤à¤Ë¤Ï¡¢‘’<&n’‘ ¤È¤·¤Æ¤¯¤À¤µ¤¤¡£¤³¤ì¤Ë¤è¤ê¡¢ 1 ²ó¤Î POSIX shell ¤«¤é¤Î¸Æ¤Ó½Ð¤·¤ÎÃæ¤Ç¡¢Ê£¿ô¤Î¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤«¤é¤Î¥Ñ ¥¤¥×ÆþÎϤ¬Íưפ˹Ԥ¨¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹:

      $ gnuplot -p -e "plot '<&3', '<&4'" 3<data-3 4<data-4
      $ ./gnuplot 5< <(myprogram -with -options)
      gnuplot> plot '<&5'

3.15.3.6 thru

thru ´Ø¿ô¤ÏÁ°¤Î¥Ð¡¼¥¸¥ç¥ó¤È¤Î¸ß´¹À­¤Î¤¿¤á¤ËÍÑ°Õ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£

½ñ¼°:

      plot 'file' thru f(x)

¤³¤ì¤Ï¼¡¤ÈƱÍͤǤ¹:

      plot 'file' using 1:(f($2))

¸å¼Ô¤ÎÊý¤¬¤è¤êÊ£»¨¤Ë¸«¤¨¤Þ¤¹¤¬¡¢¤³¤ÎÊý¤¬½ÀÆðÀ­¤ò»ý¤Ã¤Æ¤¤¤Þ¤¹¡£¤µ¤é¤Ë ¼«Á³¤Ê

      plot 'file' thru f(y)

¤âÆ°ºî¤·¤Þ¤¹ (¤¹¤Ê¤ï¤Á¡¢y ¤ò¥À¥ß¡¼ÊÑ¿ô¤È¤·¤Æ»È¤¦¤³¤È¤¬¤Ç¤­¤Þ¤¹)¡£

thru ¤Ï ‘splot‘ ¤È ‘fit‘ ¤Ç¤âÄ̤ê¤Þ¤¹¤¬¡¢²¿¤Î¸ú²Ì¤â»ý¤Á¤Þ¤»¤ó¡£

3.15.3.7 using

ºÇ¤â¤è¤¯»È¤ï¤ì¤ë¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î½¤¾þ»Ò¤Ï using ¤Ç¡¢¤³¤ì¤ÏÆþÎÏ¥Õ¥¡¥¤ ¥ë¤Î¤É¤Î¹Ô¤òÉÁ²è¤¹¤ë¤Î¤«¤ò»Ø¼¨¤·¤Þ¤¹¡£

½ñ¼°:

      plot 'file' using <entry> {:<entry> {:<entry> ...}} {'format'}

format ¤ò»ØÄꤹ¤ë¤È¡¢¤½¤ì¤ò C ¥é¥¤¥Ö¥é¥ê´Ø¿ô ’scanf’ ¤ËŬÍѤ·¤Æ¥Ç¡¼¥¿ ¥Õ¥¡¥¤¥ë¤Î³Æ¹Ô¤òÆɤߤޤ¹¡£¤½¤¦¤Ç¤Ê¤±¤ì¤Ð¡¢³Æ¹Ô¤Ï¥Û¥ï¥¤¥È¥¹¥Ú¡¼¥¹ (¥¹¥Ú ¡¼¥¹¤ä¥¿¥Ö) ¤Ç¶èÀÚ¤é¤ì¤¿¥Ç¡¼¥¿¤ÎÎó (¥Õ¥£¡¼¥ë¥É) ¤«¤é¤Ê¤ë¤È¤ß¤Ê¤·¤Þ¤¹¤¬ °Ê²¼¤â»²¾È: ‘datafile separator‘¡£

³Æ <entry> ¤Ï¡¢ÆþÎÏ¥Õ¥¡¥¤¥ë¤Î°ì¤Ä¤Î¥Õ¥£¡¼¥ë¥É¤òÁªÂò¤¹¤ë¤¿¤á¤Îñ¤Ê¤ëÎó ¤ÎÈֹ椫¡¢°ì¤Ä¤Î¥Ç¡¼¥¿½¸¹ç¤ÎºÇ½é¤Î¹Ô¤ÎÎó¤Î¥é¥Ù¥ë¤Ë°ìÃפ¹¤ëʸ»úÎó¡¢¥«¥Ã ¥³¤Ç°Ï¤Þ¤ì¤¿¿ô¼°¡¢xticlabels(2) ¤Î¤è¤¦¤Ë¥«¥Ã¥³¤Ç°Ï¤Þ¤Ê¤¤ÆÃÊ̤ʴؿô¡¢¤Î ¤¤¤º¤ì¤«¤Ç¤¹¡£

¤½¤Î¥¨¥ó¥È¥ê¤¬¥«¥Ã¥³¤Ç°Ï¤Þ¤ì¤¿¿ô¼°¤Î¾ì¹ç¡¢N ÎóÌܤÎÃͤò»ØÄꤹ¤ë¤Î¤Ë´Ø¿ô column(N) ¤ò»ÈÍѤǤ­¤Þ¤¹¡£¤Ä¤Þ¤ê¡¢column(1) ¤ÏÆɤ߹þ¤Þ¤ì¤¿ºÇ½é¤Î¹àÌܤò »²¾È¤·¡¢column(2) ¤Ï¼¡¤Î¹àÌÜ¡¢¤È¤¤¤Ã¤¿¶ñ¹ç¤Ç¤¹¡£column(1), column(2), ... ¤Îάµ­¤È¤·¤Æ¡¢ÆÃÊ̤ʵ­¹æ $1, $2, ... ¤ò»ÈÍѤǤ­¤Þ¤¹¡£´Ø¿ô ‘valid(N)‘ ¤Ç¡¢N ÈÖÌܤÎÎó¤¬Í­¸ú¤Ê¿ô»ú¤Ç¤¢¤ë¤«¤É¤¦¤«¥Æ¥¹¥È¤Ç¤­¤Þ¤¹¡£

ÆþÎÏ¥Õ¥¡¥¤¥ë¤ÎºÇ½é¤Î¹Ô¤Î³ÆÎó¤Ë¡¢¥Ç¡¼¥¿¤ÎÃͤǤϤʤ¯¥é¥Ù¥ë¤ò»ý¤Ã¤Æ¤¤¤ë¾ì ¹ç¡¢¤³¤Î¥é¥Ù¥ë¤òÆþÎÏÎó¤ÎÆÃÄê¤ä plot ¥¿¥¤¥È¥ë¤Ë»ÈÍѤǤ­¤Þ¤¹¡£´Ø¿ô column() ¤Ï¡¢ÎóÈÖ¹æ°Ê³°¤Ë¥é¥Ù¥ë¤ÇÆþÎÏÎó¤òÁªÂò¤Ç¤­¤Þ¤¹¡£Î㤨¤Ð¡¢¥Ç¡¼¥¿ ¥Õ¥¡¥¤¥ë¤¬°Ê²¼¤Î¤è¤¦¤Ê¾ì¹ç:

      Height    Weight    Age
      val1      val1      val1
      ...       ...       ...

°Ê²¼¤Î plot ¥³¥Þ¥ó¥É¤ÏƱ¤¸°ÕÌ£¤Ë¤Ê¤ê¤Þ¤¹:

      plot 'datafile' using 3:1, '' using 3:2
      plot 'datafile' using (column("Age")):(column(1)), \
                   '' using (column("Age")):(column(2))
      plot 'datafile' using "Age":"Height", '' using "Age":"Weight"

»ØÄêʸ»úÎ󤬴°Á´¤Ë°ìÃפ¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¤·¡¢Âçʸ»ú¾®Ê¸»ú¤â¶èÊ̤·¤Þ¤¹¡£ Îó¤Î¥é¥Ù¥ë¤ò plot ¥¿¥¤¥È¥ë¤Ë»È¤¦¤Ë¤Ï¡¢columnhead ¤È¤·¤Æ¤¯¤À¤µ¤¤¡£

ÆþÎϥǡ¼¥¿¥Õ¥¡¥¤¥ë¤Î 1...N ¤È¤¤¤¦¼ÂºÝ¤ÎÎó¤Ë²Ã¤¨¤Æ¡¢gnuplot ¤Ï´ÉÍý¾ðÊó ¤ò»ý¤Ä¤¤¤¯¤Ä¤«¤Î "µ¿»÷Îó" ¤òÄ󶡤·¤Þ¤¹¡£Î㤨¤Ð¡¢$0 ¤Þ¤¿¤Ï column(0) ¤Ï¡¢ ¥Ç¡¼¥¿½¸¹çÆâ¤Î¤½¤Î¥Ç¡¼¥¿¹Ô¤Î¹ÔÈÖ¹æ¤òÊÖ¤·¤Þ¤¹¡£°Ê²¼»²¾È: ‘pseudocolumns‘¡£

<entry> ¤Ë²¿¤â½ñ¤«¤Ê¤±¤ì¤Ð¡¢¤½¤Î¥¨¥ó¥È¥ê¤Î¥ê¥¹¥È¤Î½ç¤Ë¥Ç¥Õ¥©¥ë¥È¤ÎÃͤ¬ »È¤ï¤ì¤Þ¤¹¡£Î㤨¤Ð ‘using ::4‘ ¤Ï¡¢‘using 1:2:4‘ ¤È²ò¼á¤µ¤ì¤Þ¤¹¡£

using ¤Ë¤¿¤À°ì¤Ä¤Î¥¨¥ó¥È¥ê¤ò»ØÄꤷ¤¿¾ì¹ç¤Ï¡¢¤½¤Î <entry> ¤Ï y ¤ÎÃÍ¤È ¤·¤Æ»È¤ï¤ì¡¢¥Ç¡¼¥¿ÅÀ¤ÎÈÖ¹æ (µ¿»÷Îó $0) ¤¬ x ¤È¤·¤Æ»È¤ï¤ì¤Þ¤¹¡£Î㤨¤Ð "‘plot ’file’ using 1‘" ¤Ï "‘plot ’file’ using 0:1‘" ¤ÈƱ¤¸°ÕÌ£¤Ç¤¹¡£ using ¤Ë 2 ¤Ä¤Î¥¨¥ó¥È¥ê¤òÍ¿¤¨¤¿¾ì¹ç¡¢¤½¤ì¤é¤Ï x, y ¤È¤·¤Æ»È¤ï¤ì¤Þ¤¹¡£ ¤µ¤é¤Ë¥¨¥ó¥È¥ê¤òÄɲ䷤ơ¢ÆþÎϤ«¤é¤Î¥Ç¡¼¥¿¤òÍøÍѤ¹¤ë¤è¤¦¤ÊÉÁ²è¥¹¥¿¥¤¥ë ¤Î¾ÜºÙ¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: style, ‘fit‘¡£

’scanf’ ´Ø¿ô¤Ç¤Ï¿§¡¹¤Ê¥Ç¡¼¥¿·Á¼°¤Î¿ôÃÍÆþÎϤ¬»È¤¨¤Þ¤¹¤¬¡¢‘gnuplot‘ ¤ÏÁ´ ¤Æ¤ÎÆþÎϥǡ¼¥¿¤òÇÜÀºÅÙÉâÆ°¾®¿ô¤È¤ß¤Ê¤·¤Þ¤¹¤«¤é¡¢‘gnuplot‘ ¤Ç¤Ï ‘%lf‘ ¤¬ËܼÁŪ¤ËÍ£°ì¤Î¿ôÃÍÆþÎÏ»ØÄê¡¢¤È¤¤¤¦¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£ ½ñ¼°Ê¸»úÎó¤Ë¤Ï¡¢¾¯¤Ê¤¯¤È¤â°ì¤Ä¡¢¤½¤·¤Æ 7 ¤Ä°Ê²¼¤Î¡¢¤½¤Î¤è¤¦¤ÊÆþÎÏ»ØÄê»Ò ¤òÆþ¤ì¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£ ’scanf’ ¤Ï¿ô¤È¿ô¤Î´Ö¤Ë¥Û¥ï¥¤¥È¥¹¥Ú¡¼¥¹¡¢¤¹¤Ê¤ï¤Á¶õÇò¡¢¥¿¥Ö ("\t")¡¢²þ¹Ô ("\n")¡¢¤Þ¤¿¤Ï²þ¥Ú¡¼¥¸ ("\f") ¤¬¤¢¤ë¤È´üÂÔ¤·¤Þ¤¹¡£¤½¤ì°Ê³°¤ÎÆþÎϤÏÌÀ¼¨ Ū¤Ë¥¹¥­¥Ã¥×¤µ¤ì¤ë¤Ù¤­¤Ç¤¹¡£

"\t", "\n", "\f" ¤ò»È¤¦¤È¤­¤Ï¥·¥ó¥°¥ë¥¯¥©¡¼¥È¤è¤ê¤à¤·¤í¥À¥Ö¥ë¥¯¥©¡¼¥È¤ò »È¤¦¤Ù¤­¤Ç¤¢¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£

— USING ¤ÎÎã (USING_EXAMPLES) —

¼¡¤ÎÎã¤Ï¡¢1 ÈÖÌܤΥǡ¼¥¿¤ËÂФ¹¤ë 2 ÈÖÌÜ¤È 3 ÈÖÌܤÎϤÎÃͤò plot ¤·¤Þ¤¹¡£ ½ñ¼°Ê¸»úÎó¤Ï¡¢³ÆÎó¥Ç¡¼¥¿¤¬¥¹¥Ú¡¼¥¹¶èÀÚ¤ê¤Ç¤Ê¤¯¡¢¥«¥ó¥Þ¶èÀÚ¤ê¤Ç¤¢¤ë¤³¤È ¤ò»Ø¼¨¤·¤Æ¤¤¤Þ¤¹¤¬¡¢Æ±¤¸¤³¤È¤¬ ‘set datafile separator ","‘ ¤ò»ØÄꤹ¤ë ¤³¤È¤Ç¤â²Äǽ¤Ç¤¹¡£

      plot 'file' using 1:($2+$3) '%lf,%lf,%lf'

¼¡¤ÎÎã¤Ï¡¢¤è¤êÊ£»¨¤Ê½ñ¼°»ØÄê¤Ç¥Ç¡¼¥¿¤ò¥Õ¥¡¥¤¥ë "MyData" ¤«¤éÆɤ߹þ¤ß ¤Þ¤¹¡£

      plot 'MyData' using "%*lf%lf%*20[^\n]%lf"

¤³¤Î½ñ¼°»ØÄê¤Î°ÕÌ£¤Ï°Ê²¼¤ÎÄ̤ê¤Ç¤¹:

      %*lf        ¿ôÃͤò̵»ë
      %lf         ÇÜÀºÅÙÉâÆ°¾®¿ô¤òÆɤ߹þ¤à (¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï x ¤ÎÃÍ)
      %*20[^\n]   20 ¸Ä¤Î²þ¹Ô°Ê³°¤Îʸ»ú¤ò̵»ë
      %lf         ÇÜÀºÅÙÉâÆ°¾®¿ô¤òÆɤ߹þ¤à (¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï y ¤ÎÃÍ)

3 ¹à±é»»»Ò ‘?:‘ ¤ò»È¤Ã¤Æ¥Ç¡¼¥¿¤ò¥Õ¥£¥ë¥¿¤¹¤ë°ì¤Ä¤Î·ÝÅö¤ò¾Ò²ð¤·¤Þ¤¹¡£

      plot 'file' using 1:($3>10 ? $2 : 1/0)

¤³¤ì¤Ï¡¢1 ÎóÌܤΥǡ¼¥¿¤ËÂФ·¤Æ¡¢3 ÎóÌܤΥǡ¼¥¿¤¬ 10 °Ê¾å¤Ç¤¢¤ë¤è¤¦¤Ê 2 ÎóÌܤΥǡ¼¥¿¤ò plot ¤·¤Þ¤¹¡£‘1/0‘ ¤Ï̤ÄêµÁÃͤǤ¢¤ê¡¢‘gnuplot‘ ¤Ï̤Äê µÁ¤ÎÅÀ¤ò̵»ë¤¹¤ë¤Î¤Ç¡¢¤è¤Ã¤ÆŬÀڤǤʤ¤ÅÀ¤Ï±£¤µ¤ì¤ë¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£ ¤Þ¤¿¤Ï¡¢¤¢¤é¤«¤¸¤áÄêµÁ¤µ¤ì¤Æ¤¤¤ëÃÍ NaN ¤ò»È¤Ã¤Æ¤âƱ¤¸¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£

¥«¥Ã¥³¤Ç»Ï¤Þ¤Ã¤Æ¤¤¤Ê¤¤¸Â¤ê¤ÏÄê¿ô¼°¤òÎóÈÖ¹æ¤È¤·¤Æ»È¤¦¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ Î㤨¤Ð ‘using 0+(Ê£»¨¤Ê¼°)‘ ¤ÎÍͤʤ³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤½¤·¤Æ¡¢¤½¤Î¿ô¼°¤Ï¡¢ ¥«¥Ã¥³¤Ç¥¹¥¿¡¼¥È¤·¤Æ¤¤¤Ê¤±¤ì¤Ð¿ô¼°¤ÎÃͤ¬°ìÅÙɾ²Á¤µ¤ì¡¢¥«¥Ã¥³¤Ç¥¹¥¿¡¼¥È ¤·¤Æ¤¤¤ì¤Ð¸Ä¡¹¤Î¥Ç¡¼¥¿ÅÀ¤òÆɤ߹þ¤à¤¿¤á¤Ë¤½¤ÎÃͤ¬°ìÅÙɾ²Á¤µ¤ì¤ë¡¢¤È¤¤¤¦ ÅÀ¤¬½ÅÍפǤ¹¡£

»þ·ÏÎó¥Õ¥©¡¼¥Þ¥Ã¥È¥Ç¡¼¥¿¤ò»È¤Ã¤Æ¤¤¤ë¾ì¹ç¡¢¤½¤Î»þ´Ö¤Î¥Ç¡¼¥¿¤ÏÊ£¿ô¤ÎÎó¤Ë ÅϤ餻¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤½¤Î¾ì¹ç¡¢Â¾¤Î¥Ç¡¼¥¿¤Î³«»Ï°ÌÃÖ¤ò·×»»¤¹¤ë¤È¤­¡¢ »þ´Ö¤Î¥Ç¡¼¥¿¤Ë¶õÇò¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£Î㤨¤Ð¡¢¥Ç¡¼¥¿ ¹Ô¤ÎºÇ½é¤ÎÍ×ÁǤ¬¥¹¥Ú¡¼¥¹¤¬Ëä¤á¹þ¤Þ¤ì¤¿»þ´Ö¥Ç¡¼¥¿¤Ç¤¢¤ë¤Ê¤é¤Ð¡¢y ¤ÎÃÍ¤Ï 3 ÎóÌܤÎÃͤȤ·¤Æ»ØÄꤵ¤ì¤ë¤Ù¤­¤Ç¤¹¡£

‘plot ’file’‘ ¤È ‘plot ’file’ using 1:2‘¡¢¤½¤·¤Æ ‘plot ’file’ using ($1):($2)‘ ¤Ë¤ÏÈù̯¤Ê°ã¤¤¤¬¤¢¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ ¤¤¡£1) ‘file‘ ¤¬ 1 Îó¤È 2 Îó¤Î¥Ç¡¼¥¿¤ò»ý¤Ä¹Ô¤ò¤½¤ì¤¾¤ì´Þ¤ó¤Ç¤¤¤ë¤È¤¹¤ë ¤È¡¢¥Ç¡¼¥¿¤¬ 1 Îó¤Î¤ß¤Î¹Ô¤ËÂФ·¤Æ¤Ï¡¢ºÇ½é¤Î¤â¤Î¤Ï x ¤ÎÃͤòºî¤ê½Ð¤·¡¢2 ÈÖÌܤΤâ¤Î¤Ï¤½¤Î¹Ô¤Ï̵»ë¤·¡¢3 ÈÖÌܤΤâ¤Î¤Ï¤½¤ì¤ò̤ÄêµÁ¤ÎÃͤȤ·¤ÆÊݸ¤· ¤Þ¤¹ (ÀÞ¤ìÀþ¤Ç plot ¤·¤Æ¤¤¤ë¾ì¹ç (plot with lines)¡¢¤½¤Î̤ÄêµÁ¤ÎÅÀ¤òÄÌ ²á¤¹¤ëÀþ¤ò·ë¤Ð¤Ê¤¤¤è¤¦¤Ë)¡£2) 1 ÎóÌܤËʸ»úÎó¤ò´Þ¤ó¤Ç¤¤¤ë¤è¤¦¤Ê¹Ô¤¬¤¢¤ë ¾ì¹ç¡¢ºÇ½é¤Î¤â¤Î¤Ï¥¨¥é¡¼¤È¤·¤Æ plot ¤òÃæ»ß¤·¤Þ¤¹¤¬¡¢2 ÈÖÌÜ¤È 3 ÈÖÌܤΠ¤â¤Î¤Ï¤½¤ÎÉÔÍפʹԤòÆɤߤȤФ·¤Þ¤¹¡£

¼ÂºÝ¡¢ºÇ½é¤Ëñ¤Ë

      plot 'file' using 1:2

¤È»ØÄꤹ¤ë¤³¤È¤Ç¡¢ÂçÄñ¤Î¾ì¹ç¤É¤ó¤Ê¤Ë¥´¥ß¤Î¥Ç¡¼¥¿¤ò´Þ¤à¹Ô¤ò»ý¤Ä¥Õ¥¡¥¤¥ë ¤ò¤â plot ¤¹¤ë¤³¤È¤¬²Äǽ¤Ë¤Ê¤ê¤Þ¤¹¡£¤·¤«¤·¡¢¤É¤¦¤·¤Æ¤â¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Ë ʸ»úÎó¤ò»Ä¤·¤Æ¤ª¤­¤¿¤¤¤Ê¤é¤Ð¡¢¤½¤Î¥Æ¥­¥¹¥È¹Ô¤ÎÂè°ìÎó¤Ë¥³¥á¥ó¥Èʸ»ú (#) ¤òÃÖ¤¯Êý¤¬¤è¤ê°ÂÁ´¤Ç¤·¤ç¤¦¡£

— µ¿»÷Îó (PSEUDOCOLUMNS) —

plot ʸ¤Î using ¹àÌÜÆâ¤Î¼°¤Ç¤Ï¡¢ÆþÎÏ¥Õ¥¡¥¤¥ë¤Ë´Þ¤Þ¤ì¤ë¼ÂºÝ¤Î¥Ç¡¼¥¿ÃÍ ¤Ë²Ã¤¨¤Æ´ÉÍý¾ðÊó¤â»²¾È¤Ç¤­¡¢¤³¤ì¤é¤Ï "µ¿»÷Îó" (pseudocolumns) ¤Ë´Þ¤Þ¤ì ¤Æ¤¤¤Þ¤¹¡£

      column(0)   ¥Ç¡¼¥¿½¸¹çÆâ¤Ç¤Î³ÆÅÀ¤Î½çÈÖ¡£½çÈÖ¤Ï 0 ¤«¤é»Ï¤Þ¤ê¡¢2
                  ¹Ô¤Î¥Ö¥é¥ó¥¯¹Ô¤Ç¥ê¥»¥Ã¥È¤µ¤ì¤Þ¤¹¡£Î¬µ­ $0 ¤â»ÈÍѲġ£
      column(-1)  ¤³¤ÎÈÖ¹æ¤Ï 0 ¤«¤é»Ï¤Þ¤ê¡¢1 ¹Ô¤Î¥Ö¥é¥ó¥¯¹Ô¤Ç¥ê¥»¥Ã¥È
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                  ¹Ô¤ËÂбþ¤·¤Þ¤¹¡£
      column(-2)  Ê£¿ô¤Î¥Ç¡¼¥¿½¸¹ç¤ò»ý¤Ä¥Õ¥¡¥¤¥ëÆâ¤Î¡¢¸½ºß¤Î¥Ç¡¼¥¿½¸¹ç
                  ¤Î index Èֹ档°Ê²¼»²¾È: index¡£

— XTICLABELS —

¼´¤Î¹ï¤ß¤Î¸«½Ð¤· (ticlabel) ¤Ïʸ»úÎó´Ø¿ô¤Ë¤è¤Ã¤Æºî¤ë¤³¤È¤â¤Ç¤­¡¢¤½¤ì¤Ï Ä̾ï¤Ï°ú¿ô¤È¤·¤Æ¥Ç¡¼¥¿Î󤫤é¼èÆÀ¤·¤Þ¤¹¡£ºÇ¤âñ½ã¤Ê·Á¼°¤Ï¡¢¥Ç¡¼¥¿Îó¼«¿È ¤Îʸ»úÎó¤È¤·¤Æ¤ÎÍøÍѤǡ¢xticlabels(N) ¤Ï xticlabels(stringcolumn(N)) ¤Î¾Êά·Á¤È¤·¤Æ»È¤¨¤Þ¤¹¡£°Ê²¼¤ÎÎã¤Ï 3 ÎóÌܤÎÍ×ÁǤò x ¼´¤Î¹ï¤ß¤Î¸«½Ð¤·¤È ¤·¤Æ»ÈÍѤ·¤Þ¤¹¡£

      plot 'datafile' using <xcol>:<ycol>:xticlabels(3) with <plotstyle>

¼´¤ÎÌÜÀ¹¤ê¤Î¸«½Ð¤·¤Ï¡¢Ç¤°Õ¤ÎÉÁ²è¼´ x,x2,y,y2,z ÍѤËÀ¸À®¤Ç¤­¤Þ¤¹¡£ ‘ticlabels(<labelcol>)‘ »ØÄê¤Ï¡¢using »ØÄê¤ÎÃæ¤Ç¡¢¤½¤Î¥Ç¡¼¥¿¤ÎºÂɸ»Ø Ä꤬Á´¤ÆºÑ¤ó¤À¸å¤Ë¹Ô¤¦É¬Íפ¬¤¢¤ê¤Þ¤¹¡£Í­¸ú¤Ê X,Y[,Z] ºÂɸ¤ÎÁȤò»ý¤Ä³Æ ¥Ç¡¼¥¿ÅÀ¤ËÂФ·¤Æ¡¢xticlabels() ¤ËÍ¿¤¨¤ëʸ»úÎóÃͤϡ¢¤½¤ì¤ËÂбþ¤¹¤ëÅÀ¤Î x ºÂɸ¤ÈƱ¤¸¾ì½ê¤Î x ¼´¤Î¸«½Ð¤·¤Î¥ê¥¹¥È¤ËÄɲ䵤ì¤Þ¤¹¡£‘xticlabels()‘ ¤Ï ‘xtic()‘ ¤È¾Êά¤¹¤ë¤³¤È¤â¤Ç¤­¡¢Â¾¤Î¼´¤Ë´Ø¤·¤Æ¤âƱÍͤǤ¹¡£

Îã:

      splot "data" using 2:4:6:xtic(1):ytic(3):ztic(6)

¤³¤ÎÎã¤Ç¤Ï¡¢x ¼´¡¢y ¼´¤Î¸«½Ð¤·¤Ï x,y ºÂɸÃͤȤÏÊ̤ÎÎ󤫤é¼è¤ê½Ð¤µ¤ì¤Þ ¤¹¤¬¡¢z ¼´¤Î¸«½Ð¤·¤Ï¡¢Âбþ¤¹¤ëÅÀ¤Î z ºÂɸÃͤ«¤éÀ¸À®¤µ¤ì¤Þ¤¹¡£

Îã:

      plot "data" using 1:2:xtic( $3 > 10. ? "A" : "B" )

¤³¤ÎÎã¤Ï¡¢x ¼´¤Î¸«½Ð¤·¤ÎÀ¸À®¤Ëʸ»úÎóÃÍ´Ø¿ô¤ò»ÈÍѤ·¤¿¤â¤Î¤Ç¡¢¥Ç¡¼¥¿¥Õ¥¡ ¥¤¥ë¤Î³ÆÅÀ¤Î x ¼´¤Î¹ï¤ß¤Î¸«½Ð¤·¤Ï¡¢3 ÎóÌܤÎÃͤˤè¤Ã¤Æ "A" ¤« "B" ¤«¤Î ¤¤¤º¤ì¤«¤È¤Ê¤ê¤Þ¤¹¡£

— X2TICLABELS —

°Ê²¼»²¾È: ‘plot using xticlabels‘¡£

— YTICLABELS —

°Ê²¼»²¾È: ‘plot using xticlabels‘¡£

— Y2TICLABELS —

°Ê²¼»²¾È: ‘plot using xticlabels‘¡£

— ZTICLABELS —

°Ê²¼»²¾È: ‘plot using xticlabels‘¡£

3.15.3.8 volatile

plot ¥³¥Þ¥ó¥É¤Î¥­¡¼¥ï¡¼¥É volatile ¤Ï¡¢ÆþÎÏ¥¹¥È¥ê¡¼¥à¤«¥Õ¥¡¥¤¥ë¤«¤é °ÊÁ°¤ËÆɤ߹þ¤ó¤À¥Ç¡¼¥¿¤¬¡¢ºÆÆɤ߹þ¤ß»þ¤Ë¤ÏÍ­¸ú¤Ç¤Ï¤Ê¤¤¤³¤È¤ò°ÕÌ£¤·¤Þ¤¹¡£ ¤³¤ì¤Ï¡¢replot ¥³¥Þ¥ó¥É¤ÎÂå¤ï¤ê¤Ë¡¢²Äǽ¤Ê¸Â¤ê refresh ¥³¥Þ¥ó¥É ¤ò»È¤¦¤è¤¦ gnuplot ¤Ë»Ø¼¨¤·¤Þ¤¹¡£°Ê²¼»²¾È: refresh¡£

3.15.4 errorbars

¥¨¥é¡¼¥Ð¡¼¤Ï¡¢1 ¤«¤é 4 ¸Ä¤ÎÄɲ䵤줿¥Ç¡¼¥¿¤òÆɤà (¤Þ¤¿¤Ï¥¨¥ó¥È¥ê¤ò using ¤ÇÄɲÃÁªÂò¤¹¤ë) ¤³¤È¤Ë¤è¤ê¡¢2 ¼¡¸µ¥Ç¡¼¥¿¤ÎÉÁ²è¤Ë¤ª¤¤¤Æ¼Â¸½¤µ¤ì ¤Æ¤¤¤Þ¤¹¡£¤³¤ì¤éÄɲ䵤ì¤ëÃͤϡ¢¤½¤ì¤¾¤ì¤Î¥¨¥é¡¼¥Ð¡¼¥¹¥¿¥¤¥ë¤Ç°Û¤Ê¤Ã¤¿ ·Á¤Ç»È¤ï¤ì¤Þ¤¹¡£

¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢‘gnuplot‘ ¤Ï¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î³Æ¹Ô¤Ë°Ê²¼¤Î¤è¤¦¤Ê 3 ¤Ä¡¢ 4 ¤Ä¡¢¤¢¤ë¤¤¤Ï 6 ¤Ä¤ÎÎ󤬤¢¤ë¤³¤È¤ò´üÂÔ¤·¤Æ¤¤¤Þ¤¹:

      (x, y, ydelta),
      (x, y, ylow, yhigh),
      (x, y, xdelta),
      (x, y, xlow, xhigh),
      (x, y, xdelta, ydelta),
      (x, y, xlow, xhigh, ylow, yhigh)

x ºÂɸ¤Ïɬ¤º»ØÄꤷ¤Ê¤±¤ì¤Ð¤¤¤±¤Þ¤»¤ó¡£³Æ¿ôÃͤò½ñ¤¯½ç½ø¤â¾å¤Çµó¤²¤¿Ä̤ê¤Ç ¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£¤¿¤À¡¢using ½¤¾þ»Ò¤ò»È¤¨¤Ð¤½¤Î½ç½ø¤òÁàºî¤Ç¤­¤Þ¤¹¤·¡¢ ·ç¤±¤Æ¤¤¤ëÎó¤ÎÃͤâÊ䤦¤³¤È¤Ï²Äǽ¤Ç¤¹¤¬¡£Î㤨¤Ð¡¢

      plot 'file' with errorbars
      plot 'file' using 1:2:(sqrt($1)) with xerrorbars
      plot 'file' using 1:2:($1-$3):($1+$3):4:5 with xyerrorbars

ºÇ¸å¤ÎÎã¤Ï¡¢ÁêÂÐŪ¤Ê x ¤Î¸íº¹¤ÈÀäÂÐŪ¤Ê y ¤Î¸íº¹¡¢¤È¤¤¤¦¡¢¥µ¥Ý¡¼¥È¤µ¤ì¤Æ ¤¤¤Ê¤¤ÁȤΥե¡¥¤¥ë¤ËÂФ¹¤ë¤â¤Î¤Ç¤¹¡£using ¥¨¥ó¥È¥ê¤¬ÁêÂÐŪ¤Ê x ¤Î¸íº¹ ¤«¤éÀäÂÐŪ¤Ê x ¤ÎºÇ¾®ÃͤȺÇÂçÃͤòÀ¸À®¤·¤Æ¤¤¤Þ¤¹¡£

y ¤Î¥¨¥é¡¼¥Ð¡¼¤Ï¡¢(x, ylow) ¤«¤é (x, yhigh) ¤Ø¤Î±ôľ¤ÊÀþ¤È¤·¤ÆÉÁ¤«¤ì¤Þ¤¹¡£ ylow ¤È yhigh ¤ÎÂå¤ï¤ê¤Ë ydelta ¤¬»ØÄꤵ¤ì¤¿¤È¤­¤Ï¡¢ylow = y - ydelta, yhigh = y + ydelta ¤È¤Ê¤ê¤Þ¤¹¡£¤¢¤ë¹Ô¤Ë¥Ç¡¼¥¿¤¬ 2 ¤Ä¤·¤«¤Ê¤±¤ì¤Ð¡¢ylow ¤È yhight ¤Ï¤È¤â¤Ë y ¤È¤Ê¤ê¤Þ¤¹¡£x ¥¨¥é¡¼¥Ð¡¼¤ÏƱÍͤ˷׻»¤µ¤ì¤¿¿åÊ¿Àþ¤Ç¤¹¡£ ¥Ç¡¼¥¿¤Î³ÆÅÀ¤ò·ë¤ÖÀÞ¤ìÀþ¤ò°ú¤­¤¿¤¤¾ì¹ç¤Ï¡¢with errorbars ¤È with lines ¤ò »ØÄꤷ¤Æ¡¢Æ±¤¸¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤ò 2 ²ó plot ¤·¤Æ²¼¤µ¤¤ (¤¿¤À¤·¡¢¥­¡¼¤ÎÃæ¤Ë 2 ¤Ä¤Î¥¨¥ó¥È¥ê¤òºî¤é¤Ê¤¤¤è¤¦¤Ë¡¢¤½¤Î°ìÊý¤Ë¤Ï ‘notitle‘ ¥ª¥×¥·¥ç¥ó¤ò»È¤¦ ¤³¤È¤ò˺¤ì¤Ê¤¤¤Ç²¼¤µ¤¤)¡£Â¾¤ÎÁªÂò»è¤È¤·¤Æ¡¢errorlines ¥³¥Þ¥ó¥É¤â¤¢¤ê¤Þ¤¹ (°Ê²¼»²¾È: errorlines)¡£

¥¨¥é¡¼¥Ð¡¼¤Ë¤Ï¡¢¤â¤· bars ¤ò»È¤Ã¤Æ¤¤¤Ê¤±¤ì¤Ð¡¢¤½¤Î¤½¤ì¤¾¤ì¤Îü¤Ë¿âľ¤Ê Àþʬ¤¬¤Ä¤­¤Þ¤¹ (¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: bars)¡£

¼«Æ°ÈÏ°Ï»ØÄ꤬ͭ¸ú¤Ç¤¢¤ì¤Ð¡¢¤½¤ÎÉÁ²èÈϰϤϥ¨¥é¡¼¥Ð¡¼¤â´Þ¤à¤è¤¦¤ËÄ´À° ¤µ¤ì¤Þ¤¹¡£

°Ê²¼¤â»²¾È ¥¨¥é¡¼¥Ð¡¼¤Î¥Ç¥â

¹¹¤Ê¤ë¾ðÊó¤Ë´Ø¤·¤Æ¤Ï¡¢°Ê²¼»²¾È: using, with, style¡£

3.15.5 errorlines

¸íº¹Àþ (errorbar) ¤òȼ¤¦ÀþÉÁ²è¤Ï¡¢2 ¼¡¸µ¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤ÎÉÁ²è¤Ç¥µ¥Ý¡¼¥È ¤µ¤ì¤Æ¤¤¤Æ¡¢¤½¤ì¤Ï 1 ¸Ä¤«¤é 4 ¸Ä¤ÎÄɲäΠ(¤Þ¤¿¤Ï using ¤Ç»ØÄꤹ¤ë) Îó¥Ç¡¼¥¿¤òÍ¿¤¨¤ë¤³¤È¤Ç¹Ô¤Ê¤ï¤ì¤Þ¤¹¡£¤³¤ì¤é¤ÎÄɲ䵤ì¤ëÃͤϡ¢ÍÍ¡¹¤Ê errorline ¥¹¥¿¥¤¥ë¤Î¤½¤ì¤¾¤ì¤Ç°Û¤Ê¤Ã¤¿·Á¤Ç»È¤ï¤ì¤Þ¤¹¡£

¥Ç¥Õ¥©¥ë¥È¤Î¾õÂ֤Ǥϡ¢‘gnuplot‘ ¤Ï¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î³Æ¹Ô¤Ë 3 ¸Ä¡¢4 ¸Ä¡¢ 6 ¸Ä¤Î¤¤¤º¤ì¤«¤Î¸Ä¿ô¤Î¥Ç¡¼¥¿¤¬¤¢¤ë¤³¤È¤ò´üÂÔ¤·¡¢¤½¤ì¤¾¤ì°Ê²¼¤Î¤¤¤º¤ì¤« ¤ËÂбþ¤·¤Þ¤¹¡£

      (x, y, ydelta),
      (x, y, ylow, yhigh),
      (x, y, xdelta),
      (x, y, xlow, xhigh),
      (x, y, xdelta, ydelta),
      (x, y, xlow, xhigh, ylow, yhigh)

x ºÂɸ¤Ï»ØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¤·¡¢¥Ç¡¼¥¿¤Î½çÈÖ¤â¾å¤Î·Á¼°¤Ç¤¢¤ëɬÍפ¬¤¢ ¤ê¤Þ¤¹¤¬¡¢using ½¤¾þ»Ò¤Ç¤½¤Î½çÈÖ¤òÁàºî¤·¤¿¤ê¡¢·ç¤±¤Æ¤¤¤ëÎó¤ËÂФ¹¤ëÃÍ ¤òÍ¿¤¨¤¿¤ê¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£Î㤨¤Ð

      plot 'file' with errorlines
      plot 'file' using 1:2:(sqrt($1)) with xerrorlines
      plot 'file' using 1:2:($1-$3):($1+$3):4:5 with xyerrorlines

ºÇ¸å¤ÎÎã¤Ï¡¢ÁêÂÐŪ¤Ê x ¤Î¸íº¹¤ÈÀäÂÐŪ¤Ê y ¤Î¸íº¹¡¢¤È¤¤¤¦¥µ¥Ý¡¼¥È¤µ¤ì¤Æ ¤¤¤Ê¤¤Áȹ礻¤Î¥Ç¡¼¥¿¤Î¥Õ¥¡¥¤¥ë¤ËÂФ¹¤ë¤â¤Î¤Ç¡¢using ¤ÇÁêÂÐŪ¤Ê¸íº¹¤« ¤éÀäÂÐŪ¤Ê x ¤ÎºÇ¾®ÃͤȺÇÂçÃͤòÀ¸À®¤·¤Æ¤¤¤Þ¤¹¡£

y ¸íº¹Àþ¤Ï (x, ylow) ¤«¤é (x, yhigh) ¤ØÉÁ²è¤µ¤ì¤ë½ÄÀþ¤Ç¤¹¡£ylow, yhigh Âå¤ï¤ê¤Ë ydelta ¤¬»ØÄꤵ¤ì¤¿¾ì¹ç¤Ï¡¢ylow = y - ydelta, yhigh = y + ydelta ¤È°·¤ï¤ì¤Þ¤¹¡£¤¢¤ë¹Ô¤Ë 2 ¤Ä¤Î¥Ç¡¼¥¿¤·¤«¤Ê¤¤¾ì¹ç¡¢yhigh, ylow ¤ÏξÊý¤È ¤â y ¤Ë¤Ê¤ê¤Þ¤¹¡£x ¸íº¹Àþ¤ÏƱÍͤÎÊýË¡¤Ç·×»»¤µ¤ì¤ë¿åÊ¿Àþ¤Ç¤¹¡£

¸íº¹Àþ¤Ë¤Ï¡¢bars ¤¬»ØÄꤵ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¡¢¤½¤Îξü¤Ç¿âľ¤Ë¸ò¤ï¤ë Àþʬ¤¬ÉÕ¤­¤Þ¤¹ (¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: bars)¡£

¼«Æ°½Ì¼Ü (autoscaling) ¤¬ ON ¤Î¾ì¹ç¡¢ÉÁ²èÈÏ°Ï¤Ï¸íº¹Àþ¤¬Æþ¤ë¤è¤¦¤ËÄ´À° ¤µ¤ì¤Þ¤¹¡£

¹¹¤Ê¤ë¾ðÊó¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: using, with, style¡£

3.15.6 ´Ø¿ôÉÁ²è (functions)

¥³¥Þ¥ó¥É plot, ‘splot‘ ¤Ç¤Ï¡¢¥Õ¥¡¥¤¥ë¤«¤éÆɤ߹þ¤ó¤À¥Ç¡¼¥¿¤ÎÉÁ²è¤À¤± ¤Ç¤Ê¤¯¡¢ÁȤ߹þ¤ß´Ø¿ô¤ä¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤òÉÁ²è¤¹¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£´Ø¿ô¤ÎÃÍ ¤Ï¡¢ÆÈΩ¤Ê¼´¤ÎÄ̾ï¤ÎÈϰϤËÅϤäƥǡ¼¥¿¥µ¥ó¥×¥ë¤ò¼è¤ë¤³¤È¤Çɾ²Á¤·¤Þ¤¹¡£ °Ê²¼»²¾È: samples, isosamples¡£

Îã:

      approx(ang) = ang - ang**3 / (3*2)
      plot sin(x) title "sin(x)", approx(x) title "approximation"

´Ø¿ô¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÉÁ²è¥¹¥¿¥¤¥ë¤òÀßÄꤹ¤ëÊýË¡¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: ‘set style function‘¡£ÁȤ߹þ¤ß´Ø¿ô¤Î¾ðÊó¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: functions¡£¼«Á°¤Ç´Ø¿ô¤òÄêµÁ¤¹¤ëÊýË¡¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: ‘user-defined‘¡£

3.15.7 ÇÞ²ðÊÑ¿ô¥â¡¼¥ÉÉÁ²è (parametric)

ÇÞ²ðÊÑ¿ô¥â¡¼¥É (parametric) ¤Ç¤Ï¡¢plot ¤Ç¤Ï 2 ¤Ä¤Î¿ô¼°¤ÎÁȤò¡¢ ‘splot‘ ¤Ç¤Ï 3 ¤Ä¤Î¿ô¼°¤ÎÁȤòÍ¿¤¨¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£

Îã:

      plot sin(t),t**2
      splot cos(u)*cos(v),cos(u)*sin(v),sin(u)

¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤ÏÁ°¤ÈƱ¤¸¤è¤¦¤ËÉÁ²è¤µ¤ì¤Þ¤¹¡£¤¿¤À¤·¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤¬ ÉÁ²è¤Î¤¿¤á¤ËÍ¿¤¨¤é¤ì¤ëÁ°¤Ë¡¢Ç¤°Õ¤ÎÇÞ²ðÊÑ¿ô´Ø¿ô¤¬Àè¤Ë´°Á´¤Ë»ØÄꤵ¤ì¤¿ ¾ì¹ç¤ò½ü¤¤¤Æ¤Ç¤¹¡£¸À¤¤´¹¤¨¤ë¤È¡¢x ¤ÎÇÞ²ðÊÑ¿ô´Ø¿ô (¾å¤ÎÎã¤Ç¤Ï ‘sin(t)‘) ¤È y ¤ÎÇÞ²ðÊÑ¿ô´Ø¿ô (¾å¤ÎÎã¤Ç¤Ï ‘t**2‘) ¤È¤Î´Ö¤Ë¡¢Â¾¤Î½¤¾þ»Ò¤ä¥Ç¡¼¥¿ ´Ø¿ô¤ò¤Ï¤µ¤ß¤³¤ó¤Ç¤Ï¤¤¤±¤Þ¤»¤ó¡£¤½¤Î¤è¤¦¤Ê¤³¤È¤ò¤¹¤ë¤È¡¢¹½Ê¸¥¨¥é¡¼¤Ë¤Ê ¤ê¡¢ÇÞ²ðÊÑ¿ô´Ø¿ô¤¬´°Á´¤Ë¤Ï»ØÄꤵ¤ì¤Æ¤¤¤Ê¤¤¡¢¤Èɽ¼¨¤µ¤ì¤Þ¤¹¡£

with ¤ä title ¤Î¤è¤¦¤Ê¾¤Î½¤¾þ»Ò¤Ï¡¢ÇÞ²ðÊÑ¿ô´Ø¿ô¤Î»ØÄ꤬´°Î»¤·¤¿ ¸å¤Ë»ØÄꤷ¤Ê¤±¤ì¤Ð¤¤¤±¤Þ¤»¤ó¡£

      plot sin(t),t**2 title 'Parametric example' with linespoints

°Ê²¼¤â»²¾È ÇÞ²ðÊÑ¿ô¥â¡¼¥É¤Î¥Ç¥â¡£

3.15.8 ÈÏ°Ï (ranges)

plot ¥³¥Þ¥ó¥É¤ÎºÇ½é¤ËÃÖ¤¯¥ª¥×¥·¥ç¥ó¤Î¼´¤ÎÈÏ°Ï (range) ¤Ï¡¢É½¼¨¤¹¤ë¥°¥é ¥Õ¤ÎÈϰϤò»ØÄꤷ¤Þ¤¹¡£¤½¤ÎÈϰϤϡ¢¤½¤ì°ÊÁ°¤Î¤É¤Î ‘set range‘ ¤Ë¤è¤ëÈÏ °Ï»ØÄê¤è¤ê¤âÍ¥À褷¤Æ°·¤¤¤Þ¤¹¡£

½ñ¼°:

      [{<dummy-var>=}{{<min>}:{<max>}}]
      [{{<min>}:{<max>}}]

ºÇ½é¤ÎÈÏ°Ï»ØÄê¤ÏÆÈΩÊÑ¿ô¤ÎÈÏ°Ï (xrange ¤Þ¤¿¤Ï¥Ñ¥é¥á¥È¥ê¥Ã¥¯¥â¡¼¥É¤Ç ¤Ï trange) ¤Ç¡¢2 ÈÖÌܤΤâ¤Î¤Ï½¾Â°ÊÑ¿ô¤ÎÈÏ°Ï yrange (¥Ñ¥é¥á¥È¥ê¥Ã¥¯ ¥â¡¼¥É¤Ç¤Ï xrange) ¤È¤Ê¤ê¤Þ¤¹¡£<dummy-var> ¤Ë¤ÏÆÈΩÊÑ¿ô¤Î¿·¤·¤¤ÊÌ̾¤ò »ØÄꤷ¤Þ¤¹ (¥Ç¥Õ¥©¥ë¥È¤ÎÊÑ¿ô̾¤Ï dummy ¤ÇÊѹ¹¤Ç¤­¤Þ¤¹)¡£<min>, <max> ¤Ë¤ÏÄê¿ô¼°¡¢¤¢¤ë¤¤¤Ï * ¤ò½ñ¤¯¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

¥Ñ¥é¥á¥È¥ê¥Ã¥¯¥â¡¼¥É¤Ç¤Ê¤±¤ì¤Ð¡¢Í¿¤¨¤é¤ì¤ë¤Ù¤­ÈÏ°Ï»ØÄê¤Ï xrange, yrange ¤Î½ç¤Ë¤Ê¤ê¤Þ¤¹¡£

¥Ñ¥é¥á¥È¥ê¥Ã¥¯¥â¡¼¥É¤Ç¤Ï¡¢plot ¥³¥Þ¥ó¥É¤ËÂФ·¤Æ¤Ï¤½¤Î½ç½ø¤Ï trange, xrange, yrange ¤Ë¤Ê¤ê¤Þ¤¹¡£°Ê²¼¤Î plot ¥³¥Þ¥ó¥É¤Ï¡¢trange ¤ò [-pi:pi], xrange ¤ò [-1.3:1.3], yrange ¤ò [-1:1] ¤ËÀßÄꤹ¤ëÎã¤Ç¤¹¡£

      plot [-pi:pi] [-1.3:1.3] [-1:1] sin(t),t**2

x2 ¤ÎÈÏ°Ï¤È y2 ¤ÎÈϰϤϤ³¤³¤Ç¤Ï»ØÄê¤Ç¤­¤Ê¤¤¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£ ¤½¤ì¤Ë¤Ï x2range ¤ä y2range ¤¬»È¤ï¤ì¤Þ¤¹¡£

ÈϰϤÏŬÀڤʥ⡼¥É¤ËÂФ·¤Æ¡¢¾å¤Ë¼¨¤·¤¿½ç½ø¤Ç²ò¼á¤µ¤ì¤Þ¤¹¡£É¬ÍפÊÈÏ°Ï»Ø Ä꤬°ìÅÙÁ´¤Æ»ØÄꤵ¤ì¤ë¤È¡¢ºÆ¤Ó»ØÄꤷľ¤¹¤³¤È¤Ï¤¢¤ê¤Þ¤»¤ó¤¬¡¢É¬Íפʤ¤Éô ʬ¤òÁ´¤¯»ØÄꤷ¤Ê¤¤¤è¤¦¤Ë¤Ï¤Ç¤­¤Þ¤»¤ó¡£¤½¤ÎÂå¤ï¤ê¡¢¤½¤³¤Ë¶õ¤ÎÈÏ°Ï»ØÄê ‘[]‘ ¤òÃÖ¤­¤Þ¤¹¡£

‘*‘ ¤Ï¡¢min (ºÇ¾®ÃÍ) ¤ä max (ºÇÂçÃÍ) ¤Ë¼«Æ°ÈÏ°Ï»ØÄê (autoscale) ¤Îµ¡Ç½ ¤ò»È¤¦¤³¤È¤ò²Äǽ¤Ë¤·¤Þ¤¹¡£°Ê²¼¤â»²¾È: autoscale¡£

plot ¤ä ‘splot‘ ¤Î¥³¥Þ¥ó¥É¹Ô¤Ç»ØÄꤵ¤ì¤¿ÈϰϤϤ½¤Î¥°¥é¥Õ¤Ë¤Î¤ß±Æ¶Á¤ò µÚ¤Ü¤·¤Þ¤¹¡£¤è¤Ã¤Æ¡¢¤½¤Î¸å¤Î¥°¥é¥Õ¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÈϰϤòÊѹ¹¤¹¤ë¤Ë¤Ï¡¢ xrange ¤ä yrange ¤ò»ÈÍѤ·¤Æ¤¯¤À¤µ¤¤¡£

»þ´Ö¥Ç¡¼¥¿¤ËÂФ·¤Æ¤Ï¡¢ÈϰϤϥ¯¥©¡¼¥È¤Ç°Ï¤ó¤Ç»ØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹ (¥Ç ¡¼¥¿¥Õ¥¡¥¤¥ë¤Ë¸½¤ï¤ì¤ë»þ´Ö¥Ç¡¼¥¿¤ÈƱ¤¸·Á¼°¤Î)¡£‘gnuplot‘ ¤Ï¤½¤ÎÈϰϤò Æɤߤ³¤à¤Î¤Ë»þ´Ö½ñ¼°Ê¸»úÎó (timefmt) ¤ò»ÈÍѤ·¤Þ¤¹¡£¾Ü¤·¤¯¤Ï°Ê²¼»²¾È: timefmt¡£

Îã:

°Ê²¼¤Ï¸½ºß¤ÎÈϰϤò»ÈÍѤ·¤Þ¤¹:

      plot cos(x)

°Ê²¼¤Ï x ¤ÎÈϰϤΤߤλØÄê¤Ç¤¹:

      plot [-10:30] sin(pi*x)/(pi*x)

°Ê²¼¤Ï¾å¤ÈƱ¤¸¤Ç¤¹¤¬¡¢²¾ÊÑ¿ô¤È¤·¤Æ t ¤ò»È¤¤¤Þ¤¹:

      plot [t = -10 :30]  sin(pi*t)/(pi*t)

°Ê²¼¤Ï x ¤È y ¤ÎξÊý¤ÎÈϰϤλØÄê¤Ç¤¹:

      plot [-pi:pi] [-3:3]  tan(x), 1/x

°Ê²¼¤Ï¡¢y ¤ÎÈϰϤΤߤλØÄê¤Ç¡¢Î¾Êý¤Î¼´¤Î¼«Æ°ÈÏ°Ï»ØÄ굡ǽ¤ò̵¸ú¤Ë¤·¤Þ¤¹:

      plot [ ] [-2:sin(5)*-8] sin(x)**besj0(x)

°Ê²¼¤Ï x ¤ÎºÇÂçÃÍ¤È y ¤ÎºÇ¾®ÃͤΤߤλØÄê¤Ç¤¹¡£

      plot [:200] [-pi:]  exp(sin(x))

°Ê²¼¤Ï x ¤ÎÈϰϤò»þ·ÏÎó¥Ç¡¼¥¿¤È¤·¤Æ»ØÄꤷ¤Æ¤¤¤Þ¤¹:

      set timefmt "%d/%m/%y %H:%M"
      plot ["1/6/93 12:00":"5/6/93 12:00"] 'timedata.dat'

3.15.9 ·«¤êÊÖ¤· (iteration)

¿¤¯¤ÎƱÅù¤Î¥Õ¥¡¥¤¥ë¤ä´Ø¿ô¤òƱ»þ¤ËÉÁ²è¤¹¤ë¾ì¹ç¤Ï¡¢¤½¤ì¤¾¤ì¤Î plot ¥³¥Þ ¥ó¥É¤Î·«¤êÊÖ¤· (iteration) ¤Ç¤½¤ì¤ò¹Ô¤¦¤Î¤¬ÊØÍø¤Ç¤¹¡£

½ñ¼°:

      plot for [<variable> = <start> : <end> {:<increment>}]
      plot for [<variable> in "string of words"]

·«¤êÊÖ¤·¤ÎŬÍÑÈÏ°Ï (scope) ¤Ï¡¢¼¡¤Î¥³¥ó¥Þ (,) ¤«¥³¥Þ¥ó¥É¤Î½ª¤ï¤ê¡¢¤Î¤¤ ¤º¤ì¤«Àè¤Ë¸½¤ì¤¿¤È¤³¤í¤Þ¤Ç¤Ç¤¹¡£·«¤êÊÖ¤·¤ÏÆþ¤ì»Ò (nest) ¤Ë¤¹¤ë¤³¤È¤Ï¤Ç ¤­¤Þ¤»¤ó¡£

·«¤êÊÖ¤·Ê¸¤¬¥³¥ó¥Þ¤Þ¤Ç¤Ê¤Î¤Ç¡¢°Ê²¼¤Ï°ì¤Ä¤Î¶ÊÀþ sin(3x) ¤òÉÁ²è¤·¤Þ¤¹¡£

      plot for [i=1:3] j=i, sin(j*x)

j ¤Î¸å¤Ë¥³¥ó¥Þ¤¬¤Ê¤¤¤Î¤Ç¡¢°Ê²¼¤Ï 3 ¤Ä¤Î¶ÊÀþ¤òÉÁ²è¤·¤Þ¤¹¡£

      plot for [i=1:3] j=i sin(j*x)

Îã:

      plot for [dataset in "apples bananas"] dataset."dat" title dataset

¤³¤ÎÎã¤Ç¤Ï¡¢·«¤êÊÖ¤·¤Ï¥Õ¥¡¥¤¥ë̾¤ÈÂбþ¤¹¤ë¥¿¥¤¥È¥ë¤ÎÀ¸À®¤ÎξÊý¤Ç»È¤ï¤ì ¤Æ¤¤¤Þ¤¹¡£

Îã:

      file(n) = sprintf("dataset_%d.dat",n)
      splot for [i=1:10] file(i) title sprintf("dataset %d",i)

¤³¤ÎÎã¤Ï¡¢¥Õ¥¡¥¤¥ë̾¤ÇÀ¸À®¤µ¤ì¤ëʸ»úÎóÃÍ´Ø¿ô¤òÄêµÁ¤·¡¢¤½¤Î¤è¤¦¤Ê 10 ¸Ä ¤Î¥Õ¥¡¥¤¥ë¤òƱ»þ¤ËÉÁ²è¤·¤Þ¤¹¡£·«¤êÊÖ¤·¤ÎÊÑ¿ô (¤³¤ÎÎã¤Ç¤Ï ’i’) ¤Ï°ì¤Ä¤Î À°¿ô¤È¤·¤Æ°·¤ï¤ì¡¢¤½¤ì¤ò 2 Åٰʾå»ÈÍѤǤ­¤Þ¤¹¡£

Îã:

      set key left
      plot for [n=1:4] x**n sprintf("%d",n)

¤³¤ÎÎã¤Ï¡¢´Ø¿ô¤ÎÁȤòÉÁ²è¤·¤Þ¤¹¡£

Îã:

      list = "apple banana cabbage daikon eggplant"
      item(n) = word(list,n)
      plot for [i=1:words(list)] item(i).".dat" title item(i)
      list = "new stuff"
      replot

¤³¤ÎÎã¤Ç¤Ï¡¢¥ê¥¹¥È¤Ë½¾¤Ã¤Æ³Æ¥¹¥Æ¥Ã¥×¤¬¿Ê¹Ô¤·¡¢¤½¤Î³Æ¹àÌܤËÂФ·¤Æ°ì¤Ä¤Î ÉÁ²è¤¬¹Ô¤ï¤ì¤Þ¤¹¡£¤³¤Î³Æ¹àÌܤÏưŪ¤Ë¼èÆÀ¤µ¤ì¤Þ¤¹¤Î¤Ç¡¢¤½¤Î¥ê¥¹¥È¤òÊѹ¹ ¤·¡¢¤½¤Î¤Þ¤Þ replot ¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

Îã:

      list = "apple banana cabbage daikon eggplant"
      plot for [i in list] i.".dat" title i
      list = "new stuff"
      replot

¤³¤ÎÎã¤Ï¡¢À°¿ô¤Î·«¤êÊÖ¤·ÊÑ¿ô¤Ç¤Ï¤Ê¤¯¡¢Ê¸»úÎó¤Î·«¤êÊÖ¤·ÊÑ¿ô·Á¼°¤òÍѤ¤¤Æ ¤¤¤ë¤³¤È°Ê³°¤ÏÁ°¤ÎÎã¤ÈÁ´¤¯Æ±¤¸¤Ç¤¹¡£

3.15.10 title

¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï³Æ¶ÊÀþ¤Ï¡¢Âбþ¤¹¤ë´Ø¿ô¤ä¥Õ¥¡¥¤¥ë̾¤Ç¥­¡¼¤ÎÃæ¤Ë°ìÍ÷ɽ¼¨¤µ ¤ì¤Þ¤¹¤¬¡¢plot ¤Î¥ª¥×¥·¥ç¥ó title ¤ò»È¤¦¤³¤È¤Ç¡¢ÌÀ¼¨Åª¤Ê¥¿¥¤¥È¥ë¤òÍ¿ ¤¨¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£

½ñ¼°:

      title <text> | notitle [<ignored text>]
      title columnheader | title columnheader(N)

¤³¤³¤Ç <text> ¤Ï¡¢°úÍÑÉä¤Ç°Ï¤Þ¤ì¤¿Ê¸»úÎ󤫡¢Ê¸»úÎó¤Èɾ²Á¤µ¤ì¤ë¼°¤Î¤¤¤º ¤ì¤«¤Ç¤¹¡£°úÍÑÉä¤Ï¥­¡¼¤Ë¤Ïɽ¼¨¤µ¤ì¤Þ¤»¤ó¡£

ÆþÎϥǡ¼¥¿¤ÎÎó¤ÎºÇ½é¤Î¹àÌÜ (¤¹¤Ê¤ï¤ÁÎó¤ÎÀèƬ) ¤òʸ»úÎó¥Õ¥£¡¼¥ë¥É¤È²ò¼á ¤·¡¢¤½¤ì¤ò¥­¡¼¥¿¥¤¥È¥ë¤È¤·¤ÆÍøÍѤ¹¤ë¥ª¥×¥·¥ç¥ó¤â¤¢¤ê¤Þ¤¹¡£°Ê²¼»²¾È: ‘datastrings‘¡£¤³¤ì¤Ï¡¢columnhead ¤ò»ØÄꤹ¤ì¤Ð¥Ç¥Õ ¥©¥ë¥È¤ÎµóÆ°¤È¤Ê¤ê¤Þ¤¹¡£

¶ÊÀþ¥¿¥¤¥È¥ë¤È¥µ¥ó¥×¥ë¤ÏͽÌó¸ì ‘notitle‘ ¤ò»È¤¦¤³¤È¤Ç¥­¡¼¤«¤éºï½ü¤Ç¤­ ¤Þ¤¹¡£²¿¤â¤Ê¤¤¥¿¥¤¥È¥ë (‘title ”‘) ¤Ï ‘notitle‘ ¤ÈƱ¤¸°ÕÌ£¤ò»ý¤Á¤Þ¤¹¡£ ¥µ¥ó¥×¥ë¤À¤±¤¬Íߤ·¤¤¤È¤­¤Ï¡¢°ì¤Ä°Ê¾å¤Î¶õÇò¤ò¥¿¥¤¥È¥ë¤Î¸å¤í¤ËÆþ¤ì¤Æ¤¯ ¤À¤µ¤¤ (‘tilte ’ ’‘)¡£‘notilte‘ ¤Î¸å¤í¤Ëʸ»úÎó¤ò¤Ä¤±¤¿¾ì¹ç¡¢¤½¤Îʸ»úÎó ¤Ï̵»ë¤µ¤ì¤Þ¤¹¡£

‘key autotitles‘ ¤¬ÀßÄꤵ¤ì¤Æ (¥Ç¥Õ¥©¥ë¥È)¡¢¤«¤Ä title ¤â ‘notitle‘ ¤â»ØÄꤵ¤ì¤Ê¤«¤Ã¤¿¾ì¹ç¡¢¶ÊÀþ¤Î¥¿¥¤¥È¥ë¤Ï plot ¥³¥Þ¥ó¥É¾å¤Ë¤¢¤ë´Ø¿ô̾ ¤«¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë̾¤Ë¤Ê¤ê¤Þ¤¹¡£¥Õ¥¡¥¤¥ë̾¤Î¾ì¹ç¤Ï¡¢»ØÄꤵ¤ì¤ëǤ°Õ¤Î¥Ç¡¼ ¥¿¥Õ¥¡¥¤¥ë½¤¾þ»Ò¤â¤½¤Î¥Ç¥Õ¥©¥ë¥È¥¿¥¤¥È¥ë¤Ë´Þ¤Þ¤ì¤Þ¤¹¡£

°ÌÃ֤䥿¥¤¥È¥ë¤Î°ÌÃÖ·¤¨¤Ê¤É¤Î¥­¡¼¤Î¥ì¥¤¥¢¥¦¥È¤Ï¡¢‘set key‘ ¤ÇÀ©¸æ¤Ç¤­ ¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: ‘set key‘¡£

Îã:

°Ê²¼¤Ï y=x ¤ò¥¿¥¤¥È¥ë ’x’ ¤Çɽ¼¨¤·¤Þ¤¹:

      plot x

°Ê²¼¤Ï¡¢x ¤Î 2 ¾è¤ò¥¿¥¤¥È¥ë "x^2" ¤Ç¡¢¥Õ¥¡¥¤¥ë "data.1" ¤ò¥¿¥¤¥È¥ë "measured data" ¤Çɽ¼¨¤·¤Þ¤¹:

      plot x**2 title "x^2", 'data.1' t "measured data"

°Ê²¼¤Ï¡¢¶ËºÂɸ¥°¥é¥Õ¤Î¼þ¤ê¤Ë±ß·Á¤Î¶­³¦¤ò½ñ¤­¡¢¥¿¥¤¥È¥ë¤Ê¤·¤Çɽ¼¨¤·¤Þ¤¹:

      set polar; plot my_function(t), 1 notitle

°Ê²¼¤Ï¡¢¥Õ¥¡¥¤¥ë¤Î³ÆÎó¤Ë¥¿¥¤¥È¥ë¤ò´Þ¤àÊ£¿ôÎó¤Î¥Ç¡¼¥¿¤òÉÁ²è¤·¤Þ¤¹:

      plot for [i=1:4] 'data' using i title columnhead

3.15.11 with

´Ø¿ô¤ä¥Ç¡¼¥¿¤Îɽ¼¨¤Ë¤Ï¤¿¤¯¤µ¤ó¤Î¥¹¥¿¥¤¥ë¤Î¤¦¤Á¤Î°ì¤Ä¤ò»È¤¦¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ ¥­¡¼¥ï¡¼¥É with ¤¬¤½¤ÎÁªÂò¤Î¤¿¤á¤ËÍÑ°Õ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£

½ñ¼°:

      with <style> { {linestyle | ls <line_style>}
                     | {{linetype  | lt <line_type>}
                        {linewidth | lw <line_width>}
                        {linecolor | lc <colorspec>}
                        {pointtype | pt <point_type>}
                        {pointsize | ps <point_size>}
                        {fill | fs <fillstyle>}
                        {nohidden3d} {nocontours} {nosurface}
                        {palette}}
                   }

¤³¤³¤Ç¡¢<style> ¤Ï°Ê²¼¤Î¤¤¤º¤ì¤«:

     lines        dots       steps     errorbars     xerrorbar    xyerrorlines
     points       impulses   fsteps    errorlines    xerrorlines  yerrorbars
     linespoints  labels     histeps   financebars   xyerrorbars  yerrorlines
                                       vectors

¤Þ¤¿¤Ï¡¢

      boxes            candlesticks   image      circles
      boxerrorbars     filledcurves   rgbimage   ellipses
      boxxyerrorbars   histograms     rgbalpha   pm3d
      boxplot

ºÇ½é¤Î¥°¥ë¡¼¥×¤Î¥¹¥¿¥¤¥ë¤Ï¡¢Àþ¡¢ÅÀ¡¢Ê¸»ú¤Î°À­¤ò»ý¤Á¡¢Âè 2 ¤Î¥°¥ë¡¼¥× ¤Î¥¹¥¿¥¤¥ë¤Ï¡¢¤µ¤é¤ËÅɤêÄÙ¤·Â°À­¤â»ý¤Ã¤Æ¤¤¤Þ¤¹¡£°Ê²¼»²¾È: ‘fillstyle‘¡£ ¤µ¤é¤Ë¥µ¥Ö¥¹¥¿¥¤¥ë¤ò»ý¤Ä¥¹¥¿¥¤¥ë¤â¤¢¤ê¤Þ¤¹¡£¸Ä¡¹¤Î¥¹¥¿¥¤¥ë¤Î¾ÜºÙ¤Ë¤Ä¤¤ ¤Æ¤Ï¡¢°Ê²¼»²¾È: ‘plotting styles‘¡£

¥Ç¥Õ¥©¥ë¥È¤Î¥¹¥¿¥¤¥ë¤Ï¡¢‘set style function‘ ¤È ‘set style data‘ ¤ÇÁª Âò¤Ç¤­¤Þ¤¹¡£

¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢¤½¤ì¤¾¤ì¤Î´Ø¿ô¤ä¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Ï¡¢»È¤¦¤³¤È¤¬¤Ç¤­¤ë·¿¤Î ºÇÂç¿ô¤Ë㤹¤ë¤Þ¤Ç°Û¤Ê¤ëÀþ¼ï¡¢ÅÀ¼ï¤ò»È¤¤¤Þ¤¹¡£¤¹¤Ù¤Æ¤ÎüËöÍѥɥ饤¥Ð¤Ï ºÇÄã 6 ¤Ä¤Î°Û¤Ê¤ëÅÀ¼ï¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Æ¡¢¤â¤·¤¿¤¯¤µ¤óÍ׵ᤵ¤ì¤¿¾ì¹ç¡¢ ¤½¤ì¤é¤ò½ç¤ËºÆÍøÍѤ·¤Æ¤¤¤­¤Þ¤¹¡£»ÈÍÑÃæ¤Î½ÐÎÏ·Á¼°¤Ç¤ÎÀþ¼ï¡¢ÅÀ¼ï¤Î½¸¹çÁ´ ÂΤò¸«¤¿¤±¤ì¤Ð¡¢test ¤È¤·¤Æ¤¯¤À¤µ¤¤¡£

°ì¤Ä¤ÎÉÁ²è¤ÇÀþ¼ï¤äÅÀ¼ï¤òÁª¤Ó¤¿¤¤¤Ê¤é¤Ð¡¢<line_type> ¤ä <point_type> ¤ò »ØÄꤷ¤Æ¤¯¤À¤µ¤¤¡£¤³¤ì¤é¤ÎÃͤϡ¢¤½¤ÎÉÁ²è¤Ç»È¤ï¤ì¤ëÀþ¼ï¤äÅÀ¼ï¤ò»ØÄꤹ¤ë Àµ¤ÎÀ°Äê¿ô (¤Þ¤¿¤Ï¿ô¼°) ¤Ç¤¹¡£»ÈÍѤ¹¤ëüËö¤Ç»È¤¨¤ëÀþ¼ï¡¢ÅÀ¼ï¤òɽ¼¨¤¹¤ë ¤Ë¤Ï test ¥³¥Þ¥ó¥É¤ò»È¤Ã¤Æ¤¯¤À¤µ¤¤¡£

ÉÁ²è¤ÎÀþ¤ÎÉý¤äÅÀ¤ÎÂ礭¤µ¤Ï <line_width> ¤ä <point_size> ¤ÇÊѹ¹¤Ç¤­¤Þ¤¹¡£ ¤³¤ì¤é¤Ï¤½¤Î³Æ¡¹¤ÎüËö¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÃͤËÂФ¹¤ëÁêÂÐŪ¤ÊÃͤȤ·¤Æ»ØÄꤷ¤Þ ¤¹¡£ÅÀ¤ÎÂ礭¤µ¤ÏÁ´ÂΤËÄÌÍѤ¹¤ë¤è¤¦¤ËÊѹ¹¤Ç¤­¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: pointsize¡£¤·¤«¤·¡¢¤³¤³¤Ç¥»¥Ã¥È¤µ¤ì¤ë <point_size> ¤È¡¢ pointsize ¤Ç¥»¥Ã¥È¤µ¤ì¤ëÂ礭¤µ¤Ï¡¢¤¤¤º¤ì¤â¥Ç¥Õ¥©¥ë¥È¤Î¥Ý¥¤¥ó¥È¥µ ¥¤¥º¤Ë³Ý¤±¤é¤ì¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£¤¹¤Ê¤ï¤Á¡¢¤½¤ì¤é¤Î¸ú²Ì¤ÏÎßÀÑ¤Ï ¤·¤Þ¤»¤ó¡£Î㤨¤Ð¡¢‘set pointsize 2; plot x w p ps 3‘ ¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤Î ¥µ¥¤¥º¤Î 3 ÇܤǤ¢¤Ã¤Æ¡¢6 ÇܤǤϤ¢¤ê¤Þ¤»¤ó¡£

¥é¥¤¥ó¥¹¥¿¥¤¥ë¤Î°ìÉôʬ¡¢¤¢¤ë¤¤¤Ï³Æ plot ¤Ë¤ª¤¤¤Æ ‘pointsize variable‘ ¤È¤¤¤¦»ØÄê¤â²Äǽ¤Ç¤¹¡£¤³¤Î¾ì¹ç¡¢ÆþÎϤˤÏÄɲäΠ1 Îó¤¬Í׵ᤵ¤ì¤Þ¤¹¡£Îã ¤¨¤Ð 2D ÉÁ²è¤Ç¤Ï 3 Îó¡¢3D ÉÁ²è¤Ç¤Ï 4 Îó¤Î¥Ç¡¼¥¿¤¬É¬Íפˤʤê¤Þ¤¹¡£¸Ä¡¹ ¤ÎÅÀ¤Î¥µ¥¤¥º¤Ï¡¢Á´ÂΤòÄ̤·¤Æ¤Î pointsize ¤Ë¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤«¤é¤ÎÆþÎÏ ¤Ë¤è¤ëÃͤò¤«¤±¤¿¤â¤Î¤È¤·¤Æ·èÄꤵ¤ì¤Þ¤¹¡£

‘set style line‘ ¤ò»È¤Ã¤ÆÀþ¼ï/ÀþÉý¡¢ÅÀ¼ï/ÅÀÉý¤ÎÁȤòÄêµÁ¤¹¤ì¤Ð¡¢¤½¤Î¥¹ ¥¿¥¤¥ë¤ÎÈÖ¹æ¤ò <line_style> ¤Ë¥»¥Ã¥È¤¹¤ë¤³¤È¤Ç¤½¤ì¤é¤ò»È¤¦¤³¤È¤¬¤Ç¤­¤Þ ¤¹¡£

gnuplot ¤¬ ‘pm3d‘ ¤ò¥µ¥Ý¡¼¥È¤¹¤ë¤è¤¦¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤µ¤ì¤Æ¤¤¤ë¤Ê¤é¤Ð¡¢ ‘splots‘ ¤Ë¤ª¤¤¤Æ lines, points, dots ¤Î¿§¤ò³ê¤é¤«¤ËÊѲ½¤µ¤»¤ë¤¿¤á¤ÎÆà Ê̤ʥ­¡¼¥ï¡¼¥É palette ¤¬»È¤¨¤Þ¤¹¡£¤½¤Î¿§¤Ï¡¢¥³¥Þ¥ó¥É palette ¤Ç¤¢¤é¤«¤¸¤áÀßÄꤵ¤ì¤¿³ê¤é¤«¤ËÊѲ½¤¹¤ë¥«¥é¡¼¥Ñ¥ì¥Ã¥È¤«¤éÁªÂò¤·¤Þ¤¹¡£¿§ ¤ÎÃͤϡ¢ÅÀ¤Î z ºÂɸ¤ÎÃͤ«¡¢¤Þ¤¿¤Ï using ¤Ç 4 ÈÖÌܤΥѥé¥á¡¼¥¿¤È¤·¤Æ »ØÄꤵ¤ì¤ë¿§ºÂɸ¤ËÂбþ¤·¤Þ¤¹¡£2 ¼¡¸µ¡¢3 ¼¡¸µ¤ÎÉÁ²è (plot ¤È ‘splot‘ ¥³¥Þ¥ó¥É) ¤ÎξÊý¤Ç¡¢¥Ñ¥ì¥Ã¥È¿§¤ò¾®¿ôÃͤ«¤Þ¤¿¤Ï¥«¥é¡¼¥Ü¥Ã¥¯¥¹¤ÎÈϰϤØÂÐ ±þ¤Å¤±¤é¤ì¤¿ÃͤΤ¤¤º¤ì¤«¤Ç»ØÄꤹ¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¥Ñ¥ì¥Ã¥È¿§¤ÎÃͤϡ¢ using »ØÄê¤ÇÌÀ¼¨Åª¤Ë»ØÄꤵ¤ì¤¿ÆþÎÏÎ󤫤éÆɤ߹þ¤à¤³¤È¤â²Äǽ¤Ç¤¹¡£ °Ê²¼»²¾È: ‘colors‘, palette, ‘linetype‘¡£

¥­¡¼¥ï¡¼¥É ‘nohidden3d‘ ¤Ï¡¢‘splot‘ ¥³¥Þ¥ó¥É¤ÇÀ¸À®¤µ¤ì¤ëÉÁ²è¤Ë¤Î¤ßŬÍÑ ¤µ¤ì¤Þ¤¹¡£Ä̾¥°¥í¡¼¥Ð¥ë¤Ê¥ª¥×¥·¥ç¥ó hidden3d ¤Ï¥°¥é¥Õ¾å¤ÎÁ´¤Æ ¤ÎÉÁ²è¤ËŬÍѤµ¤ì¤Þ¤¹¤¬¡¢³Æ¡¹¤ÎÉÁ²è¤Ë ‘nohidden3d‘ ¥ª¥×¥·¥ç¥ó¤ò¤Ä¤±¤ë¤³ ¤È¤Ç¡¢¤½¤ì¤ò hidden3d ¤Î½èÍý¤«¤é½ü³°¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£‘nohidden3d‘ ¤¬¥Þ¡¼¥¯¤µ¤ì¤¿¶ÊḬ̀ʳ°¤Î¸Ä¡¹¤ÎÉÁ²èÍ×ÁÇ (Àþʬ¡¢ÅÀ¡¢¥é¥Ù¥ëÅù) ¤Ï¡¢Ä̾ï¤Ï ¾¤Î²¿¤é¤«¤ÎÉÁ²èÍ×ÁǤDZ£¤µ¤ì¤Æ¤·¤Þ¤¦¾ì¹ç¤âÁ´¤ÆÉÁ²è¤µ¤ì¤Þ¤¹¡£

ƱÍͤˡ¢¥­¡¼¥ï¡¼¥É ‘nocontours‘ ¤Ï¡¢¥°¥í¡¼¥Ð¥ë¤Ë ‘set contour‘ »ØÄ꤬ Í­¸ú¤Ê¾ì¹ç¤Ç¤â¡¢¸ÄÊ̤Πplot ¤ËÂФ¹¤ëÅù¹âÀþÉÁ²èµ¡Ç½¤ò¥ª¥Õ¤Ë¤·¤Þ¤¹¡£

ƱÍͤˡ¢¥­¡¼¥ï¡¼¥É ‘nosurface‘ ¤Ï¡¢¥°¥í¡¼¥Ð¥ë¤Ë surface »ØÄ꤬ͭ ¸ú¤Ê¾ì¹ç¤Ç¤â¡¢¸ÄÊ̤Πplot ¤ËÂФ¹¤ë 3 ¼¡¸µ¶ÊÌÌÉÁ²è¤ò¥ª¥Õ¤Ë¤·¤Þ¤¹¡£

¥­¡¼¥ï¡¼¥É¤Ï°Å¼¨¤¹¤ë¤è¤¦¤Ê·Á¤Ç¾Êά²Äǽ¤Ç¤¹¡£

‘linewidth‘, pointsize, palette ¥ª¥×¥·¥ç¥ó¤ÏÁ´¤Æ¤ÎüËöÁõÃ֤ǥµ¥Ý¡¼ ¥È¤µ¤ì¤Æ¤¤¤ë¤ï¤±¤Ç¤Ï¤Ê¤¤¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£

Îã:

°Ê²¼¤Ï¡¢sin(x) ¤ò±ôľÀþ¤ÇÉÁ²è¤·¤Þ¤¹:

      plot sin(x) with impulses

°Ê²¼¤Ï¡¢x ¤òÅÀ¤ÇÉÁ²è¤·¡¢x**2 ¤ò¥Ç¥Õ¥©¥ë¥È¤ÎÊý¼°¤ÇÉÁ²è¤·¤Þ¤¹:

      plot x w points, x**2

°Ê²¼¤Ï¡¢tan(x) ¤ò´Ø¿ô¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÊý¼°¤Ç¡¢"data.1" ¤òÀÞ¤ìÀþ¤ÇÉÁ²è¤·¤Þ¤¹:

      plot [ ] [-2:5] tan(x), 'data.1' with l

°Ê²¼¤Ï¡¢"leastsq.dat" ¤ò±ôľÀþ¤ÇÉÁ²è¤·¤Þ¤¹:

      plot 'leastsq.dat' w i

°Ê²¼¤Ï¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë "population" ¤ò¶ë·Á¤ÇÉÁ²è¤·¤Þ¤¹:

      plot 'population' with boxes

°Ê²¼¤Ï¡¢"exper.dat" ¤ò¥¨¥é¡¼¥Ð¡¼ÉÕ¤­¤ÎÀÞ¤ìÀþ¤ÇÉÁ²è¤·¤Þ¤¹ (¥¨¥é¡¼¥Ð¡¼¤Ï 3 Î󡢤¢¤ë¤¤¤Ï 4 Îó¤Î¥Ç¡¼¥¿¤òɬÍפȤ·¤Þ¤¹):

      plot 'exper.dat' w lines, 'exper.dat' notitle w errorbars

¤â¤¦°ì¤Ä¤Î "exper.dat" ¤Î¥¨¥é¡¼¥Ð¡¼ÉÕ¤­¤ÎÀÞ¤ìÀþ (errorlines) ¤Ç¤ÎÉÁ²è ÊýË¡ (¥¨¥é¡¼¥Ð¡¼¤Ï 3 Î󡢤¢¤ë¤¤¤Ï 4 Îó¤Î¥Ç¡¼¥¿¤¬É¬Í×):

      plot 'exper.dat' w errorlines

°Ê²¼¤Ï¡¢sin(x) ¤È cos(x) ¤ò¥Þ¡¼¥«¡¼ÉÕ¤­¤ÎÀÞ¤ìÀþ¤ÇÉÁ²è¤·¤Þ¤¹¡£ÀÞ¤ìÀþ¤Ï Ʊ¤¸Àþ¼ï¤Ç¤¹¤¬¡¢¥Þ¡¼¥«¡¼¤Ï°Û¤Ê¤Ã¤¿¤â¤Î¤ò»È¤¤¤Þ¤¹:

      plot sin(x) with linesp lt 1 pt 3, cos(x) with linesp lt 1 pt 4

°Ê²¼¤Ï¡¢"data" ¤òÅÀ¼ï 3 ¤Ç¡¢ÅÀ¤ÎÂ礭¤µ¤òÄ̾ï¤Î 2 ÇܤÇÉÁ²è¤·¤Þ¤¹:

      plot 'data' with points pointtype 3 pointsize 2

°Ê²¼¤Ï¡¢"data" ¤òÉÁ²è¤·¤Þ¤¹¤¬¡¢4 ÎóÌܤ«¤éÆɤó¤À¥Ç¡¼¥¿¤ò pointsize ¤ÎÃÍ ¤È¤·¤Æ»ÈÍѤ·¤Þ¤¹:

      plot 'data' using 1:2:4 with points pt 5 pointsize variable

°Ê²¼¤Ï¡¢2 ¤Ä¤Î¥Ç¡¼¥¿½¸¹ç¤ËÂФ·¤Æ¡¢Éý¤Î¤ß°Û¤Ê¤ëÀþ¤òÍѤ¤¤ÆÉÁ²è¤·¤Þ¤¹:

      plot 'd1' t "good" w l lt 2 lw 3, 'd2' t "bad" w l lt 2 lw 1

°Ê²¼¤Ï¡¢x*x ¤Î¶ÊÀþ¤ÎÆâÉô¤ÎÅɤê¤Ä¤Ö¤·¤È¿§¤ÎÂÓ¤òÉÁ²è¤·¤Þ¤¹:

      plot x*x with filledcurve closed, 40 with filledcurve y1=10

°Ê²¼¤Ï¡¢x*x ¤Î¶ÊÀþ¤È¿§¤ÎÈ¢¤òÉÁ²è¤·¤Þ¤¹:

      plot x*x, (x>=-5 && x<=5 ? 40 : 1/0) with filledcurve y1=10 lt 8

°Ê²¼¤Ï¡¢³ê¤é¤«¤ËÊѲ½¤¹¤ë¿§¤ÎÀþ¤Ç¶ÊÌ̤òÉÁ²è¤·¤Þ¤¹:

      splot x*x-y*y with line palette

°Ê²¼¤Ï¡¢2 ¤Ä¤Î¿§¤Î¤Ä¤¤¤¿¶ÊÌ̤ò¡¢°Û¤Ê¤ë¹â¤µ¤Çɽ¼¨¤·¤Þ¤¹:

      splot x*x-y*y with pm3d, x*x+y*y with pm3d at t

3.16 print

print ¥³¥Þ¥ó¥É¤Ï <¼°> ¤ÎÃͤò²èÌ̤Ëɽ¼¨¤·¤Þ¤¹¡£¤³¤ì¤Ï ‘pause 0‘ ¤ÈƱ ¤¸¤Ç¤¹¡£<¼°> ¤Ï¡¢¿ô¤òÀ¸À®¤¹¤ë ‘gnuplot‘ ¤Î¿ô¼°¤«¡¢¤Þ¤¿¤Ïʸ»úÎó¤Ç¤¹¡£

½ñ¼°:

        print <¼°> {, <¼°>, ...}

°Ê²¼»²¾È: ‘expressions‘¡£½ÐÎÏ¥Õ¥¡¥¤¥ë¤Ï print ¤ÇÀßÄê¤Ç¤­¤Þ¤¹¡£

3.17 pwd

pwd ¥³¥Þ¥ó¥É¤Ï¥«¥ì¥ó¥È¥Ç¥£¥ì¥¯¥È¥ê¤Î̾Á°¤ò²èÌ̤Ëɽ¼¨¤·¤Þ¤¹¡£

¥«¥ì¥ó¥È¥Ç¥£¥ì¥¯¥È¥ê¤òʸ»úÎóÊÑ¿ô¤ËÊݸ¤·¤¿¤ê¡¢Ê¸»ú¼°¤ÎÃæ¤Ç»È¤¤¤¿¤¤¾ì¹ç ¤Ï¡¢ÊÑ¿ô GPVAL_PWD ¤ò»È¤¦¤³¤È¤¬¤Ç¤­¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£°Ê²¼»²¾È: ‘show variables all‘¡£

3.18 quit

exit ¤È quit ¤Îξ¥³¥Þ¥ó¥É¤È END-OF-FILE ʸ»ú¤Ï¡¢‘gnuplot‘ ¤ò½ªÎ» ¤µ¤»¤Þ¤¹¡£¤³¤ì¤é¤Î¥³¥Þ¥ó¥É¤Ï¡¢½ÐÎÏÁõÃÖ¤ò (clear ¥³¥Þ¥ó¥É¤ÈƱÍͤË) ¥¯¥ê¥¢¤·¤Æ¤«¤é½ªÎ»¤µ¤»¤Þ¤¹¡£

3.19 raise

½ñ¼°:

      raise {plot_window_nb}

¥³¥Þ¥ó¥É raise (lower ¤ÎÈ¿ÂÐ) ¤Ï¡¢‘pm‘, ‘win‘, ‘wxt‘, ‘x11‘ Åù¤Î gnuplot ¤ÎÂÐÏ÷¿½ÐÎÏ·Á¼°¤Î¼Â¹ÔÃæ¤Ë¡¢ÉÁ²è¥¦¥£¥ó¥É¥¦¤ò¾å (Á°ÌÌ) ¤Ë¾å¤²¤Þ ¤¹¡£ÉÁ²è¥¦¥£¥ó¥É¥¦¤ò¡¢¥Ç¥¹¥¯¥È¥Ã¥×¾å¤Î¥¦¥£¥ó¥É¥¦¥Þ¥Í¡¼¥¸¥ã¤Î z Êý¸þ¤Î ¥¦¥£¥ó¥É¥¦¤Î½Å¤Ê¤ê¤ÎÁ° (¾å) ¤ËÃÖ¤­¤Þ¤¹¡£

‘x11‘ ¤ä ‘wxt‘ ¤Î¤è¤¦¤ËÊ£¿ô¤ÎÉÁ²è¥¦¥£¥ó¥É¥¦¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë¾ì¹ç¡¢¥Ç ¥Õ¥©¥ë¥È¤Ç¤Ï¤³¤Î¥³¥Þ¥ó¥É¤Ï¤½¤ì¤é¤ÎÊ£¿ô¤Î¥¦¥£¥ó¥É¥¦¤ò¹ß½ç¤Ë¾å¤²¡¢ºÇ½é¤Ë ºî¤é¤ì¤¿¥¦¥£¥ó¥É¥¦¤ò°ìÈÖ²¼¤Ë¡¢ºÇ¸å¤Ëºî¤é¤ì¤¿¥¦¥£¥ó¥É¥¦¤ò°ìÈÖ¾å¤ËÊÂ¤Ù¤Þ ¤¹¡£¥ª¥×¥·¥ç¥ó°ú¿ô¤ÎÉÁ²èÈֹ椬Ϳ¤¨¤é¤ì¤¿¾ì¹ç¡¢¤½¤ì¤ËÂбþ¤¹¤ëÉÁ²è¥¦¥£¥ó ¥É¥¦¤¬Â¸ºß¤¹¤ì¤Ð¤½¤ì¤Î¤ß¤¬¾å¤²¤é¤ì¤Þ¤¹¡£

¥ª¥×¥·¥ç¥ó°ú¿ô¤Ï¡¢Ã±°ì¤ÎÉÁ²è¥¦¥£¥ó¥É¥¦¤Î½ÐÎÏ·Á¼°¡¢¤¹¤Ê¤ï¤Á ‘pm‘ ¤È ‘win‘ ¤Ç¤Ï̵»ë¤µ¤ì¤Þ¤¹¡£

¥¦¥£¥ó¥É¥¦¤¬ X11 ¤ÇÁ°Ì̤˽Фʤ¤¾ì¹ç¡¢¤â¤·¤«¤¹¤ë¤ÈÉÁ²è¥¦¥£¥ó¥É¥¦¤Ï¡¢°Û ¤Ê¤ë X11 ¥»¥Ã¥·¥ç¥ó¤ÇÆ°ºî¤·¤Æ¤¤¤ë (Î㤨¤Ð telnet ¤ä ssh ¥»¥Ã¥·¥ç¥ó¤Ê¤É ¤Ë¤è¤Ã¤Æ) ¤«¡¢¤Þ¤¿¤ÏÁ°Ì̤˽Ф¹¤³¤È¤¬¥¦¥£¥ó¥É¥¦¥Þ¥Í¡¼¥¸¥ã¤ÎÀßÄê¤Ë¤è¤Ã¤Æ Ëɳ²¤µ¤ì¤Æ¤¤¤ë²ÄǽÀ­¤¬¤¢¤ê¤Þ¤¹¡£

3.20 refresh

¥³¥Þ¥ó¥É refresh ¤Ï¡¢replot ¤Ë»÷¤Æ¤¤¤Þ¤¹¤¬¡¢¼ç¤Ë 2 ¤Ä¤ÎÅÀ¤Ç°ã¤¤¤¬ ¤¢¤ê¤Þ¤¹¡£refresh ¤Ï¡¢´û¤ËÆɤ߹þ¤ó¤À¥Ç¡¼¥¿¤òÍѤ¤¤Æ¡¢¸½ºß¤ÎÉÁ²è¤òºÆÀ° ·Á¤·ºÆÉÁ²è¤·¤Þ¤¹¡£¤³¤ì¤Ï¡¢refresh ¤ò (µ¿»÷¥Ç¥Ð¥¤¥¹ ’-’ ¤«¤é¤Î) ¥¤¥ó ¥é¥¤¥ó¥Ç¡¼¥¿¤ÎÉÁ²è¡¢¤ª¤è¤ÓÆâÍƤ¬ÊѲ½¤·¤¦¤ë¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤«¤é¤ÎÉÁ²è¤Ë»È ¤¨¤ë¤È¤¤¤¦¤³¤È¤ò°ÕÌ£¤·¤Þ¤¹¡£¤¿¤À¤·¡¢¥³¥Þ¥ó¥É refresh ¤Ï¡¢´û¤Ë¸ºß¤¹ ¤ëÉÁ²è¤Ë¿·¤·¤¤¥Ç¡¼¥¿¤òÄɲ乤ë¤Î¤Ë¤Ï»È¤¨¤Þ¤»¤ó¡£

¥Þ¥¦¥¹Áàºî¡¢Æä˥º¡¼¥à¥¤¥ó¤È¥º¡¼¥à¥¢¥¦¥È¤Ç¤Ï¡¢Å¬Àڤʾì¹ç¤Ï replot ¤Î Âå¤ï¤ê¤Ë¤à¤·¤í refresh ¤ò»ÈÍѤ·¤Þ¤¹¡£Îã:

      plot 'datafile' volatile with lines, '-' with labels
      100 200 "Special point"
      e
      # ¿§¤ó¤Ê¥Þ¥¦¥¹Áàºî¤ò¤³¤³¤Ç¼Â¹Ô
      set title "Zoomed in view"
      set term post
      set output 'zoom.ps'
      refresh

3.21 replot

replot ¥³¥Þ¥ó¥É¤ò°ú¿ô¤Ê¤·¤Ç¼Â¹Ô¤¹¤ë¤È¡¢ºÇ¸å¤Ë¼Â¹Ô¤·¤¿ plot ¤Þ¤¿¤Ï ‘splot‘ ¥³¥Þ¥ó¥É¤òºÆ¼Â¹Ô¤·¤Þ¤¹¡£¤³¤ì¤Ï¡¢¤¢¤ë¥×¥í¥Ã¥È¤ò°Û¤Ê¤ë ‘set‘ ¥ª ¥×¥·¥ç¥ó¤Ç¤ß¤¿¤ê¡¢Æ±¤¸¥×¥í¥Ã¥È¤ò°Û¤Ê¤ëÁõÃ֤˽ÐÎϤ·¤¿¤ê¤¹¤ë¤È¤­¤ËÊØÍø ¤Ç¤·¤ç¤¦¡£

replot ¥³¥Þ¥ó¥É¤ËÂФ¹¤ë°ú¿ô¤ÏºÇ¸å¤Ë¼Â¹Ô¤·¤¿ plot ¤Þ¤¿¤Ï ‘splot‘ ¥³¥Þ¥ó¥É¤Î°ú¿ô¤Ë (°ÅÌۤΠ’,’ ¤È¶¦¤Ë) Äɲ䵤졢¤½¤ì¤«¤éºÆ¼Â¹Ô¤µ¤ì¤Þ¤¹¡£ replot ¤Ï¡¢ÈÏ°Ï (range) ¤ò½ü¤¤¤Æ¤Ï¡¢plot ¤ä ‘splot‘ ¤ÈƱ¤¸°ú¿ô¤ò ¤È¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤è¤Ã¤Æ¡¢Ä¾Á°¤Î¥³¥Þ¥ó¥É¤¬ ‘splot‘ ¤Ç¤Ï¤Ê¤¯ plot ¤Î¾ì¹ç¤Ï¡¢´Ø¿ô¤ò¤â¤¦°ì¤Ä¤Î¼´¹ï¤Ç¥×¥í¥Ã¥È¤¹¤ë¤Î¤Ë replot ¤ò»È¤¦¤³¤È¤¬ ¤Ç¤­¤Þ¤¹¡£

Ãí°Õ:

      plot '-' ; ... ; replot

¤È¤¤¤¦»È¤¤Êý¤Ï¿ä¾©¤µ¤ì¤Þ¤»¤ó¡£¤½¤ì¤Ï¡¢¤³¤ì¤¬¤¢¤Ê¤¿¤ËºÆ¤ÓƱ¤¸¥Ç¡¼¥¿¤¹¤Ù ¤Æ¤ÎÆþÎϤòÍ׵᤹¤ë¤³¤È¤Ë¤Ê¤ë¤«¤é¤Ç¤¹¡£¤¿¤¤¤Æ¤¤¤Î¾ì¹ç¡¢Âå¤ï¤ê¤Ë¥³¥Þ¥ó¥É refresh ¤ò»È¤¨¤Þ¤¹¡£¤³¤ì¤Ï¡¢°ÊÁ°¤ËÆɤ߹þ¤ó¤À¥Ç¡¼¥¿¤ò»È¤Ã¤Æ¥°¥é¥Õ¤òºÆ ÉÁ²è¤·¤Þ¤¹¡£

replot ¥³¥Þ¥ó¥É¤Ï multiplot ¥â¡¼¥É¤Ç¤ÏƯ¤­¤Þ¤»¤ó¡£¤½¤ì¤Ï¡¢¤½¤ì¤¬ ²èÌÌÁ´ÂΤˤǤϤʤ¯Ä¾Á°¤Î¥×¥í¥Ã¥È¤Î¤ß¤òºÆ¼Â¹Ô¤¹¤ë¤â¤Î¤À¤«¤é¤Ç¤¹¡£

ºÇ¸å¤Ë¼Â¹Ô¤·¤¿ plot (‘splot‘) ¥³¥Þ¥ó¥É¤ÎÆâÍƤò½¤Àµ¤¹¤ëÊýË¡¤Ë¤Ä¤¤¤Æ¤Ï °Ê²¼¤â»²¾È: ‘command-line-editing‘¡£

ľÁ°¤ÎÉÁ²è¥³¥Þ¥ó¥É¤ÎÁ´ÂΤòɽ¼¨¤µ¤»¤ë¤³¤È¤ä¡¢¤½¤ì¤ò ‘history‘ ¤ÎÃæ¤Ë ¥³¥Ô¡¼¤¹¤ëÊýË¡¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼¤â»²¾È: plot¡£

3.22 reread

reread ¥³¥Þ¥ó¥É¤Ï¡¢‘load‘ ¥³¥Þ¥ó¥É¤Þ¤¿¤Ï¥³¥Þ¥ó¥É¥é¥¤¥ó¤Ç»ØÄꤷ¤¿ ‘gnuplot‘ ¤Î¥³¥Þ¥ó¥É¥Õ¥¡¥¤¥ë¤ò¡¢¤½¤Î¼¡¤Î¥³¥Þ¥ó¥É¤¬Æɤޤì¤ëÁ°¤Ë¡¢³« »ÏÅÀ¤ËºÆÀßÄꤷ¤Þ¤¹¡£¤³¤ì¤Ï¡¢¥³¥Þ¥ó¥É¥Õ¥¡¥¤¥ë¤ÎºÇ½é¤«¤é reread ¥³¥Þ ¥ó¥É¤Þ¤Ç¤Î¥³¥Þ¥ó¥É¤Î̵¸Â¥ë¡¼¥×¤òËܼÁŪ¤Ë¼ÂÁõ¤·¤Æ¤¤¤ë¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£ (¤·¤«¤·¡¢¤³¤ì¤Ï²¿¤â°­¤¤¤³¤È¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£reread ¤Ï ‘if‘ ¤ÈÁÈ¤ß¹ç ¤ï¤»¤ë¤³¤È¤Ç¤È¤Æ¤âÍ­ÍѤʥ³¥Þ¥ó¥É¤È¤Ê¤ê¤Þ¤¹¡£) ɸ½àÆþÎϤ«¤é¤ÎÆþÎϤξì¹ç¤Ï¡¢reread ¥³¥Þ¥ó¥É¤Ï²¿¤â±Æ¶Á¤òÍ¿¤¨¤Þ¤»¤ó¡£

Îã:

¥Õ¥¡¥¤¥ë "looper" ¤¬¼¡¤Î¤è¤¦¤Ê¥Õ¥¡¥¤¥ë¤Ç

      a=a+1
      plot sin(x*a)
      pause -1
      if(a<5) reread

¤½¤·¤Æ¡¢‘gnuplot‘ ¤«¤é¼¡¤Î¤è¤¦¤Ë¼Â¹Ô¤¹¤ë¤È¤·¤Þ¤¹¡£

      a=0
      load 'looper'

¤¹¤ë¤È¡¢pause ¤Î¥á¥Ã¥»¡¼¥¸¤Çʬ³ä¤µ¤ì¤¿ 5 ²ó¤Î¥×¥í¥Ã¥È¤¬¹Ô¤ï¤ì¤ë¤³¤È¤Ë ¤Ê¤ê¤Þ¤¹¡£

¥Õ¥¡¥¤¥ë "data" ¤¬¡¢³Æ¹Ô¤Ë¡¢0 ¤«¤é 10 ¤Þ¤Ç¤ÎÈÏ°Ï (yrange) ¤Î 6 ¤Ä¤Î¥Ç ¡¼¥¿ ¤ò»ý¤Á¡¢ºÇ½é¤¬ x ºÂɸ¤Ç¡¢¤½¤Î¾¤Ï 5 ¤Ä¤Î°Û¤Ê¤ë´Ø¿ô¤Î¡¢¤½¤Î x ¤Ç¤Î ÃͤǤ¢¤ë¤È¤·¤Þ¤¹¡£¤½¤·¤Æ¡¢¥Õ¥¡¥¤¥ë "plotter" ¤¬

      c_p = c_p+1
      plot "$0" using 1:c_p with lines linetype c_p
      if(c_p <  n_p) reread

¤Ç¡¢‘gnuplot‘ ¤«¤é¼¡¤Î¤è¤¦¤Ë¼Â¹Ô¤¹¤ë¤È¤·¤Þ¤¹¡£

      n_p=6
      c_p=1
      unset key
      set yrange [0:10]
      set multiplot
      call 'plotter' 'data'
      unset multiplot

¤¹¤ë¤È¡¢5 ¤Ä¤Î¥×¥í¥Ã¥È¤ò¹ç¤ï¤»¤¿ 1 ¤Ä¤Î¥°¥é¥Õ¤¬¤Ç¤­¤Þ¤¹¡£yrange ¤Ï¡¢ multiplot ¥â¡¼¥É¤ÇºÇ½é¤Î¤â¤Î¤Ë³¤±¤Æ½ñ¤«¤ì¤ë 5 ¤Ä¤Î¥°¥é¥Õ¤¬¡¢Æ±¤¸¼´¤ò »ý¤Ä¤è¤¦¤Ë¡¢ÌÀ¼¨Åª¤Ë»ØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£Àþ¼ï¤â»ØÄꤷ¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ ¤»¤ó¡£¤µ¤â¤Ê¤¤¤È¡¢Á´¤Æ¤Î¥°¥é¥Õ¤¬Æ±¤¸Àþ¼ï¤Ç½ñ¤«¤ì¤ë¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£ ¥¢¥Ë¥á¡¼¥·¥ç¥ó¤Î¥µ¥ó¥×¥ë¤È¤·¤Æ¡¢demo ¥Ç¥£¥ì¥¯¥È¥ê¤Î animate.dem ¤â»²¾È ¤·¤Æ¤¯¤À¤µ¤¤¡£

3.23 reset

¥³¥Þ¥ó¥É reset ¤Ï ‘set‘ ¥³¥Þ¥ó¥É¤ÇÄêµÁ¤Ç¤­¤ë¡¢¥°¥é¥Õ¤Ë´Ø¤¹¤ëÁ´¤Æ¤Î¥ª ¥×¥·¥ç¥ó¤ò¥Ç¥Õ¥©¥ë¥È¤ÎÃͤËÀßÄꤷ¤Þ¤¹¡£¤³¤Î¥³¥Þ¥ó¥É¤Ï¡¢Î㤨¤Ð¥³¥Þ¥ó¥É¥Õ ¥¡¥¤¥ë¤ÎºÇ¸å¤Ë¥°¥é¥Õ¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÀßÄê¤ËÉüµ¢¤¹¤ë¡¢¤¢¤ë¤¤¤Ï¥³¥Þ¥ó¥É¥Õ¥¡ ¥¤¥ëÆâ¤Ç¤¿¤¯¤µ¤ó¤ÎÀßÄê¤ò¹Ô¤Ê¤Ã¤¿¾ì¹ç¤Ë¸µ¤Î¾õÂÖ¤ËÌ᤹¤È¤­¤Ê¤É¤ËÊØÍø¤Ç¤¹¡£ ÍÍ¡¹¤Ê¥ª¥×¥·¥ç¥ó¤Î¼è¤ë¥Ç¥Õ¥©¥ë¥È¤ÎÃͤòÃΤë¤Ë¤Ï¡¢‘set‘ ¥³¥Þ¥ó¥É¤Î·ë²Ì¤ò »²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£

°Ê²¼¤Î¤â¤Î¤Ï¡¢reset ¤Î±Æ¶Á¤ò¼õ¤±¤Þ¤»¤ó¡£

     `set term` output loadpath fontpath `set linetype`
     encoding decimalsign locale psdir

‘reset errors‘ ¤Ï¡¢¥¨¥é¡¼¾õÂÖÊÑ¿ô GPVAL_ERRNO ¤È GPVAL_ERRMSG ¤Î¤ß¤ò¥¯ ¥ê¥¢¤·¤Þ¤¹¡£

‘reset bind‘ ¤Ï¡¢¥­¡¼ÄêµÁ¤ò¥Ç¥Õ¥©¥ë¥È¤Î¾õÂÖ¤ËÉüµ¢¤·¤Þ¤¹¡£

3.24 save

save ¥³¥Þ¥ó¥É¤Ï¡¢¥æ¡¼¥¶ÄêµÁ´Ø¿ô¡¢ÊÑ¿ô¡¢‘set term‘ ¤Î¾õÂÖ¡¢‘set‘ ¤ÇÀß Äꤹ¤ëÁ´¤Æ¤Î¥ª¥×¥·¥ç¥ó¤Î¤¤¤º¤ì¤«¤«¡¢¤¢¤ë¤¤¤Ï¤³¤ì¤é¤¹¤Ù¤Æ¤È¡¢¤½¤ì¤Ë²Ã¤¨ ¤ÆºÇ¸å¤Ë¼Â¹Ô¤·¤¿ plot (¤Þ¤¿¤Ï ‘splot‘) ¥³¥Þ¥ó¥É¤ò¡¢»ØÄꤷ¤¿¥Õ¥¡¥¤¥ë ¤ËÊݸ¤·¤Þ¤¹¡£

½ñ¼°:

        save  {<¥ª¥×¥·¥ç¥ó>} '<¥Õ¥¡¥¤¥ë̾>'

¤³¤³¤Ç¡¢<¥ª¥×¥·¥ç¥ó> ¤Ï¡¢functions, variables, terminal, ‘set‘ ¤Î¤¤¤º¤ì¤«¤Ç¤¹¡£¤É¤ì¤â»ØÄꤵ¤ì¤Ê¤«¤Ã¤¿¾ì¹ç¤Ë¤Ï¡¢‘gnuplot‘ ¤Ï¡¢¥æ¡¼¥¶Äê µÁ´Ø¿ô¡¢ÊÑ¿ô¡¢set ¤ÇÀßÄꤹ¤ë¥ª¥×¥·¥ç¥ó¡¢ºÇ¸å¤Ë¼Â¹Ô¤·¤¿ plot (¤Þ¤¿¤Ï ‘splot‘) ¥³¥Þ¥ó¥É¤ÎÁ´¤Æ¤òÊݸ¤·¤Þ¤¹¡£

save ¤Ï¡¢¥Æ¥­¥¹¥È·Á¼°¤Ç½ÐÎϤ·¤Þ¤¹¡£¤Þ¤¿¡¢¤³¤Î¥Õ¥¡¥¤¥ë¤Ï ‘load‘ ¥³¥Þ ¥ó¥É¤ÇÆɤ߹þ¤à¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£‘set‘ ¥ª¥×¥·¥ç¥óÉÕ¤­¡¢¤Þ¤¿¤Ï²¿¤â¥ª¥×¥·¥ç ¥ó¤ò¤Ä¤±¤º¤Ë save ¤ò¼Â¹Ô¤·¤¿¾ì¹ç¡¢terminal ¤ÎÁªÂò¤È output ¤Î¥Õ ¥¡¥¤¥ë̾¤Ï¥³¥á¥ó¥Èµ­¹æ¤Ä¤­¤Ç½ñ¤­½Ð¤µ¤ì¤Þ¤¹¡£¤³¤ì¤Ï¤½¤Î½ÐÎÏ¥Õ¥¡¥¤¥ë¤ò ¾¤Î´Ä¶­¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤µ¤ì¤¿ gnuplot ¾å¤ÇÆ°¤«¤¹¾ì¹ç¤Ë¡¢½¤Àµ¤Ê¤·¤Ë»È¤¨ ¤ë¤è¤¦¤Ë¤¹¤ë¡¢¤¢¤ë¤¤¤Ï¤¦¤Ã¤«¤ê¥Õ¥¡¥¤¥ë¤ò¾å½ñ¤­¤·¤Æ¤·¤Þ¤Ã¤¿¤ê¤¹¤ë´í¸±À­ ¤òÈò¤±¤ë¡¢¤È¤¤¤Ã¤¿°ÕÌ£¤¬¤¢¤ê¤Þ¤¹¡£

terminal ¤Ï¡¢terminal ¤Î¾õÂÖ¤ò¡¢¥³¥á¥ó¥Èµ­¹æ¤ò¤Ä¤±¤º¤Ë½ñ¤­½Ð ¤·¤Þ¤¹¡£¤³¤ì¤Ï¼ç¤Ë¡¢¤Á¤ç¤Ã¤È¤Î´Ö¤À¤± terminal ¤ÎÀßÄê¤òÆþ¤ìÂؤ¨¡¢¤½¤Î ¸åÊݸ¤·¤Æ¤ª¤¤¤¿ terminal ¤Î¾õÂÖ¤òÆɤ߹þ¤à¤³¤È¤Ç°ÊÁ°¤Î terminal ¤ÎÀß Äê¤ËÌ᤹¾ì¹ç¤Ê¤É¤ËÌòΩ¤Á¤Þ¤¹¡£¤¿¤À¡¢Ã±°ì¤Î gnuplot ¥»¥Ã¥·¥ç¥ó¤Ç¤Ï¡¢¸½ ºß¤Î terminal ¤òÊݸ/Éü¸µ¤¹¤ë¾¤ÎÊýË¡¤Ç¤¢¤ë¥³¥Þ¥ó¥É ‘set term push‘ ¤È ‘set term pop‘ ¤ò»È¤¦Êý¤¬¤à¤·¤í¤¤¤¤¤«¤â¤·¤ì¤Þ¤»¤ó¡£°Ê²¼»²¾È: ‘set term‘¡£

¥Õ¥¡¥¤¥ë̾¤Ï°úÍÑÉä¤Ë°Ï¤ï¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£

ÆÃÊ̤ʥե¡¥¤¥ë̾ "-" ¤Ë¤è¤ê save ¥³¥Þ¥ó¥É¤Ëɸ½à½ÐÎϤ˽ÐÎϤµ¤»¤ë¤³¤È ¤¬¤Ç¤­¤Þ¤¹¡£popen ´Ø¿ô¤ò¥µ¥Ý¡¼¥È¤¹¤ë¤è¤¦¤Ê¥·¥¹¥Æ¥à (Unix ¤Ê¤É) ¤Ç¤Ï¡¢ save ¤Î½ÐÎϤò¥Ñ¥¤¥×·Ðͳ¤Ç¾¤Î³°Éô¥×¥í¥°¥é¥à¤ËÅϤ¹¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤½¤Î ¾ì¹ç¡¢¥Õ¥¡¥¤¥ë̾¤È¤·¤Æ¥³¥Þ¥ó¥É̾¤ÎÀèƬ¤Ë ’|’ ¤ò¤Ä¤±¤¿¤â¤Î¤ò»È¤¤¤Þ¤¹¡£ ¤³¤ì¤Ï¡¢‘gnuplot‘ ¤È¥Ñ¥¤¥×¤òÄ̤·¤ÆÄÌ¿®¤¹¤ë¥×¥í¥°¥é¥à¤Ë¡¢‘gnuplot‘ ¤ÎÆâ ÉôÀßÄê¤Ë´Ø¤¹¤ë¼óÈø°ì´Ó¤·¤¿¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤òÄ󶡤·¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢°Ê²¼»² ¾È: ‘batch/interactive‘¡£

Îã:

      save 'work.gnu'
      save functions 'func.dat'
      save var 'var.dat'
      save set 'options.dat'
      save term 'myterm.gnu'
      save '-'
      save '|grep title >t.gp'

3.25 set-show

‘set‘ ¥³¥Þ¥ó¥É¤Ï¼Â¤Ë¿¤¯¤Î¥ª¥×¥·¥ç¥ó¤òÀßÄꤹ¤ë¤Î¤Ë»È¤ï¤ì¤Þ¤¹¡£¤·¤«¤·¡¢ plot, ‘splot‘, replot ¥³¥Þ¥ó¥É¤¬Í¿¤¨¤é¤ì¤ë¤Þ¤Ç²¿¤âɽ¼¨¤·¤Þ¤»¤ó¡£

‘show‘ ¥³¥Þ¥ó¥É¤Ï¤½¤ì¤é¤ÎÀßÄêÃͤòɽ¼¨¤·¤Þ¤¹¡£‘show all‘ ¤Ç¤½¤ì¤éÁ´¤Æ ¤òɽ¼¨¤·¤Þ¤¹¡£

‘set‘ ¥³¥Þ¥ó¥É¤ÇÊѹ¹¤µ¤ì¤¿¥ª¥×¥·¥ç¥ó¤Ï¡¢¤½¤ì¤ËÂбþ¤¹¤ë unset ¥³¥Þ¥ó ¥É¤ò¼Â¹Ô¤¹¤ë¤³¤È¤Ç¥Ç¥Õ¥©¥ë¥È¤Î¾õÂÖ¤ËÌ᤹¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£°Ê²¼¤â»²¾È: reset¡£¤³¤ì¤ÏÁ´¤Æ¤Î¥Ñ¥é¥á¡¼¥¿¤ÎÀßÄê¤ò¥Ç¥Õ¥©¥ë¥È¤ÎÃͤËÌᤷ¤Þ¤¹¡£

¤â¤·ÊÑ¿ô¤¬Æü»þ¤Î¥Ç¡¼¥¿¤ò´Þ¤à¤Ê¤é¤Ð¡¢‘show‘ ¤Ï¡¢timefmt ¤Ë¤è¤Ã¤Æ ¸½ºßÀßÄꤵ¤ì¤Æ¤¤¤ë½ñ¼°¤Ë½¾¤Ã¤Æɽ¼¨¤·¤Þ¤¹¡£¤½¤ì¤ÏÊÑ¿ô¤¬ºÇ½é¤ËÀßÄꤵ¤ì¤Æ ¤¤¤Æ¤½¤Î½ñ¼°¤¬¸ú²Ì¤ò»ý¤¿¤Ê¤«¤Ã¤¿¤È¤·¤Æ¤â¤Ç¤¹¡£

‘set‘ ¤È unset ¥³¥Þ¥ó¥É¤Ë¤Ï·«¤êÊÖ¤·Àá¤âÍøÍѤǤ­¤Þ¤¹¡£°Ê²¼»²¾È: ‘iteration‘¡£

3.25.1 angles

¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï ‘gnuplot‘ ¤Ï¶ËºÂɸ¥°¥é¥Õ¤ÎÆÈΩÊÑ¿ô¤Îñ°Ì¤Ï¥é¥¸¥¢¥ó¤ò²¾Äê ¤·¤Þ¤¹¡£polar ¤ÎÁ°¤Ë ‘set angles degrees‘ ¤ò»ØÄꤹ¤ë¤È¡¢¤½¤Îñ°Ì ¤ÏÅ٤ˤʤꡢ¥Ç¥Õ¥©¥ë¥È¤ÎÈÏ°Ï¤Ï [0:360] ¤È¤Ê¤ê¤Þ¤¹¡£¤³¤ì¤Ï¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë ¤ÎÉÁ²è¤ÇÆäËÊØÍø¤Ç¤·¤ç¤¦¡£³ÑÅÙ¤ÎÀßÄê¤Ï¡¢mapping ¥³¥Þ¥ó¥É¤òÀßÄꤹ ¤ë¤³¤È¤Ë¤è¤ê 3 ¼¡¸µ¤Ç¤âÍ­¸ú¤Ç¤¹¡£

½ñ¼°:

      set angles {degrees | radians}
      show angles

polar ¤Ç»ØÄꤵ¤ì¤ë³ÑÅ٤⡢angles ¤Ç»ØÄꤷ¤¿Ã±°Ì¤ÇÆɤޤì ɽ¼¨¤µ¤ì¤Þ¤¹¡£

angles ¤ÏÁȤ߹þ¤ß´Ø¿ô sin(x), cos(x), tan(x) ¤Î°ú¿ô¤ä asin(x), acos(x), atan8x), atan2(x), arg(x) ¤Î½ÐÎϤˤâ±Æ¶Á¤òÍ¿¤¨¤Þ¤¹¡£ÁжÊÀþ´Ø ¿ô¤ä¡¢¥Ù¥Ã¥»¥ë´Ø¿ô¤Î°ú¿ô¤Ë¤Ï±Æ¶Á¤òÍ¿¤¨¤Þ¤»¤ó¡£¤·¤«¤·¡¢Ê£ÁÇ¿ô¤ò°ú¿ô¤È¤¹ ¤ëµÕÁжÊÀþ´Ø¿ô¤Î½ÐÎϤˤϱƶÁ¤¬½Ð¤Þ¤¹¡£¤½¤ì¤é¤Î´Ø¿ô¤¬»È¤ï¤ì¤ë¤È¤­¤Ï¡¢ ‘set angles radians‘ ¤ÏÆþ½ÐÎϤΰú¿ô¤Î´Ö¤Ë°ì´ÓÀ­¤ò»ý¤Ã¤¿´ÉÍý¤ò¼Â¸½¤·¤Æ ¤¤¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£

      x={1.0,0.1}
      set angles radians
      y=sinh(x)
      print y         #{1.16933, 0.154051} ¤Èɽ¼¨
      print asinh(y)  #{1.0, 0.1} ¤Èɽ¼¨

¤·¤«¤·¡¢

      set angles degrees
      y=sinh(x)
      print y         #{1.16933, 0.154051} ¤Èɽ¼¨
      print asinh(y)  #{57.29578, 5.729578} ¤Èɽ¼¨

°Ê²¼¤â»²¾È poldat.dem: angles ¤òÍѤ¤¤¿¶ËºÂɸÉÁ²è¤Î¥Ç¥â

3.25.2 arrow

arrow ¥³¥Þ¥ó¥É¤ò»È¤¦¤³¤È¤Ë¤è¤ê¡¢¥°¥é¥Õ¾å¤ÎǤ°Õ¤Î°ÌÃÖ¤ËÌð°õ¤òɽ¼¨ ¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

½ñ¼°:

      set arrow {<tag>} {from <position>} {to|rto <position>}
                { {arrowstyle | as <arrow_style>}
                  | { {nohead | head | backhead | heads}
                      {size <length>,<angle>{,<backangle>}}
                      {filled | empty | nofilled}
                      {front | back}
                      { {linestyle | ls <line_style>}
                        | {linetype | lt <line_type>}
                          {linewidth | lw <line_width} } } }

      unset arrow {<tag>}
      show arrow {<tag>}

¥¿¥° <tag> ¤Ï³ÆÌð°õ¤ò¼±Ê̤¹¤ëÀ°¿ô¤Ç¤¹¡£¥¿¥°¤ò»ØÄꤷ¤Ê¤¤¾ì¹ç¤Ï¡¢¤½¤Î»þ ÅÀ¤Ç̤»ÈÍѤκǤ⾮¤µ¤¤¿ô¤¬¼«Æ°Åª¤Ë³ä¤êÅö¤Æ¤é¤ì¤Þ¤¹¡£¥¿¥°¤ò»È¤¦¤³¤È¤Ç¡¢ ÆÃÄê¤ÎÌð°õ¤òÊѹ¹¤·¤¿¤ê¡¢ºï½ü¤·¤¿¤ê¤Ç¤­¤Þ¤¹¡£´û¤Ë¸ºß¤¹¤ëÌð°õ¤Î°À­¤òÊÑ ¹¹¤¹¤ë¾ì¹ç¤Ï¡¢¥¿¥°¤òÌÀ¼¨¤·¤¿ arrow ¥³¥Þ¥ó¥É¤ÇÊѹ¹²Õ½ê¤ò»ØÄꤷ¤Æ ¤¯¤À¤µ¤¤¡£

<position> ¤Ï x,y ¤¢¤ë¤¤¤Ï x,y,z ¤Ç»ØÄꤷ¤Þ¤¹¡£¤½¤·¤Æ¤½¤ÎÁ°¤ËºÂɸ·Ï¤ò ÁªÂò¤¹¤ë¤¿¤á¤Ë ‘first‘, ‘second‘, ‘graph‘, ‘screen‘, ‘character‘ ¤òÃÖ ¤¯¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ºÂɸ¤ò»ØÄꤷ¤Ê¤±¤ì¤Ð¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï 0 ¤È¸«¤Ê¤µ¤ì¤Þ¤¹¡£ Ìð°õ¤ÎüÅÀ¤Ï¡¢5 ¤Ä¤ÎºÂɸ·Ï¡¢¤¹¤Ê¤ï¤Á ‘first‘ ¤« ‘second‘ ¤Î¼´¡¢¤¢¤ë¤¤ ¤Ï ‘graph‘, ‘screen‘, ‘character‘ ¤Î¤¦¤Á¤Î 1 ¤Ä¤òÁªÂò¤·¤Æ»ØÄê¤Ç¤­¤Þ¤¹¡£ ¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: ‘coordinates‘¡£"from" ¤Î¾ì½ê¤ÎºÂɸ·Ï»ØÄê»Ò¤Ï¡¢"to" ¤Î¾ì½ê¤Ë±Æ¶Á¤òµÚ¤Ü¤¹¤³¤È¤Ï¤¢¤ê¤Þ¤»¤ó¡£¥°¥é¥Õ¤ÎÏȤò¤Ï¤ß½Ð¤ëÌð°õ¤ò½ñ¤¯¤³ ¤È¤â¤Ç¤­¤Þ¤¹¤¬¡¢½ÐÎÏüËö¤Ë¤è¤Ã¤Æ¤Ï¥¨¥é¡¼¤òÀ¸¤º¤ë¤³¤È¤¬¤¢¤ê¤Þ¤¹¡£½ªÅÀ¤¬ "to" ¤ÎÂå¤ï¤ê¤Ë "rto" ¤Ç»ØÄꤵ¤ì¤Æ¤¤¤ë¾ì¹ç¡¢»ÏÅÀ¤«¤é¤ÎÁêÂÐŪ¤Ê°ÌÃÖ¤ËÉÁ ¤«¤ì¤Þ¤¹¡£¤³¤Î¾ì¹ç¡¢Àþ·Á¼´ (ÈóÂпô¼´)¡¢¤ª¤è¤Ó ‘graph‘, ‘screen‘ ºÂɸ¤Ë ÂФ·¤Æ¤Ï¡¢»ÏÅÀ¤È½ªÅÀ¤Îµ÷Î¥¤¬Í¿¤¨¤é¤ì¤¿ÁêÂÐŪ¤ÊÃͤËÂбþ¤·¤Þ¤¹¡£°ìÊý¡¢ÂÐ ¿ô¼´¤ËÂФ·¤Æ¤Ï¡¢Í¿¤¨¤é¤ì¤¿ÁêÂÐŪ¤ÊÃͤϡ¢»ÏÅÀ¤«¤é½ªÅÀ¤Ø¤ÎÇÜ¿ô¤ËÂбþ¤·¤Þ ¤¹¡£¤è¤Ã¤Æ¡¢Âпô¼´¤Î¾ì¹ç¡¢ÁêÂÐŪ¤ÊÃͤȤ·¤Æ 0 ¤äÉé¤ÎÃͤòÍ¿¤¨¤ë¤³¤È¤Ïµö ¤µ¤ì¤Þ¤»¤ó¡£

‘nohead‘ ¤ò»ØÄꤹ¤ë¤³¤È¤Ç¡¢ÌðÀè¤Î¤Ê¤¤Ì𡢤¹¤Ê¤ï¤ÁÀþʬ¤ò½ñ¤¯¤³¤È¤â¤Ç¤­ ¤Þ¤¹¡£¤³¤ì¤ÏÉÁ²è¤Î¾å¤ËÀþʬ¤òÉÁ¤¯Ê̤ÊÊýË¡¤òÍ¿¤¨¤Þ¤¹¡£¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï 1 ¤Ä¤ÎÌð¤Ï 1 ¤Ä¤ÎÌðÀè¤ò¤½¤Î½ªÃ¼¤Ë»ý¤Ã¤Æ¤¤¤Þ¤¹¡£‘backhead‘ ¤Ï»ÏÅÀ¤ËÌðÀè¤ò ÉÁ¤­¡¢‘heads‘ ¤ÏÀþʬ¤Îξü¤ËÌðÀè¤òÉÁ¤­¤Þ¤¹¡£Á´¤Æ¤Î½ÐÎÏ·Á¼°¤¬Î¾Ã¼¤ÎÌðÀè ¤ÎÉÁ²è¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë¤ï¤±¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£

ÌðÀè¤ÎÂ礭¤µ¤Ï ‘size <length>,<angle>‘ ¤Þ¤¿¤Ï ‘size <length>,<angle>,<backangle>‘ ¤ÇÀ©¸æ¤Ç¤­¤Þ¤¹¡£‘<length>‘ ¤ÏÌðÀè ¤Î³Æ»Þ¤ÎŤµ¤Ç¡¢‘<angle>‘ ¤ÏÌðÀè¤Î»Þ¤ÈÌð¼´¤¬¤Ê¤¹³ÑÅÙ (ñ°Ì¤ÏÅÙ) ¤Ç¤¹¡£ ‘<length>‘ ¤Îñ°Ì¤Ï x ¼´¤ÈƱ¤¸¤Ç¤¹¤¬¡¢¤½¤ì¤Ï ‘<length>‘ ¤ÎÁ°¤Ë ‘first‘, ‘second‘, ‘graph‘, ‘screen‘, ‘character‘ ¤ò¤Ä¤±¤ë¤³¤È¤ÇÊѹ¹¤Ç ¤­¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: ‘coordinates‘¡£‘<backangle>‘ ¤Ï¡¢‘filled‘ ¤« ¤Þ¤¿¤Ï ‘empty‘ ¤¬¤È¤â¤Ë»È¤ï¤ì¤¿¾ì¹ç¤Î¤ß¸úÎϤò»ý¤Á¡¢¤½¤Î¾ì¹ç¡¢ ‘<backangle>‘ ¤ÏÌðÀè¤Î¸å¤í¤ÎÉôʬ¤ÎÌ𼴤ȤÎÀÚ¤ê³Ñ (‘<angle>‘ ¤ÈƱ¤¸Êý¸þ; ñ°Ì¤ÏÅÙ) ¤Ë¤Ê¤ê¤Þ¤¹¡£½ÐÎÏ·Á¼° ‘fig‘ ¤Ï¡¢À©¸Â¤µ¤ì¤¿ÀÚ¤ê³Ñ´Ø¿ô¤ò»ý¤Ã¤Æ ¤¤¤Æ¡¢¤½¤ì¤Ï 3 ¤Ä¤Î°Û¤Ê¤ë·Á¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Æ¡¢¤½¤ì¤Ï 2 ¤Ä¤ÎïçÃͤǷèÄê ¤·¤Þ¤¹: 70 ÅṲ̀Ëþ¤Î¾ì¹ç¡¢ÌðÀè¤Ï¤Ø¤³¤ó¤ÀÀÚ¤ê³Ñ¤ò»ý¤Á¡¢110 ÅÙ¤òĶ¤¨¤ë¾ì ¹ç¡¢¸å¤í¤ÎÉôʬ¤ËÀí¤Ã¤¿³Ñ¤ò»ý¤Á¡¢¤½¤Î´Ö¤Î³Ñ¤Ç¤Ï¡¢ÌðÀè¤Î¸å¤í¤ÏľÀþ¤Ë¤Ê¤ê ¤Þ¤¹¡£

‘filled‘ ¤ò»ØÄꤹ¤ë¤È¡¢Åɤê¤Ä¤Ö¤µ¤ì¤¿ÌðÀè¤òºî¤ê¤Þ¤¹ (‘heads‘ ¤¬»È¤ï¤ì ¤Æ¤¤¤ë¾ì¹ç)¡£Åɤê¤Ä¤Ö¤·¤Ï¡¢Â¿³Ñ·Á¤ÎÅɤê¤Ä¤Ö¤·¤¬¹Ô¤¨¤ë¤è¤¦¤Ê½ÐÎÏ·Á¼°¤Ç ¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤Æ¡¢¤½¤Î¥ê¥¹¥È¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: ‘pm3d‘¡£Â¾¤Î½ÐÎÏ·Á ¼°¤Ç¤ÏÌðÀè¤ÏÊĤ¸¤é¤ì¤Þ¤¹¤¬Åɤê¤Ä¤Ö¤µ¤ì¤Þ¤»¤ó¡£¤½¤ì¤ÈƱ¤¸¸ú²Ì (ÊĤ¸¤é¤ë ¤¬Åɤé¤ì¤Ê¤¤) ¤Ï¡¢‘empty‘ ¤ò»ØÄꤷ¤Æ¤âÆÀ¤é¤ì¤Þ¤¹¡£¤Þ¤¿¡¢‘metafont‘, ‘metapost‘, ‘latex‘, ‘tgif‘ ¤Î¤è¤¦¤Ë¡¢Ìð¤ò¤½¤ì¤é¼«¿È¤ÎÆȼ«¤Î¥ë¡¼¥Á¥ó¤Ç ÉÁ¤¯¤è¤¦¤Ê½ÐÎÏ·Á¼°¤Ç¤Ï¡¢ÌðÀè¤ÎÅɤê¤Ä¤Ö¤·¤äÌðÀè¤ÎÏÈÀþÉÁ¤­¤Ï¤â¤Á¤í¤ó¥µ¥Ý ¡¼¥È¤µ¤ì¤Þ¤»¤ó¡£

Àþ¼ï¤Ï¥æ¡¼¥¶¤ÎÄêµÁ¤·¤¿¥é¥¤¥ó¥¹¥¿¥¤¥ë¤Î¥ê¥¹¥È¤«¤éÁª¤Ö¤³¤È¤â¤Ç¤­¤Þ¤¹¤· (°Ê²¼»²¾È: ‘set style line‘)¡¢ÍÑ°Õ¤µ¤ì¤Æ¤¤¤ë <line_type> ¤ÎÃÍ (¥Ç¥Õ¥© ¥ë¥È¤Î¥é¥¤¥ó¥¹¥¿¥¤¥ë¤Î¥ê¥¹¥È¤ÎÈÖ¹æ) ¤½¤·¤Æ <linewidth> (¥Ç¥Õ¥©¥ë¥È¤ÎÉý ¤ÎÇÜ¿ô) ¤ò»È¤Ã¤Æ¤³¤³¤ÇÄêµÁ¤¹¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£

¤·¤«¤·¡¢¥æ¡¼¥¶¡¼ÄêµÁºÑ¤Î¥é¥¤¥ó¥¹¥¿¥¤¥ë¤¬ÁªÂò¤µ¤ì¤¿¾ì¹ç¡¢¤½¤Î°À­ (Àþ¼ï¡¢ Éý) ¤Ï¡¢Ã±¤Ë¾¤Î arrow ¥³¥Þ¥ó¥É¤ÇŬÅö¤ÊÈÖ¹æ¤ä ‘lt‘, ‘lw‘ ¤Ê¤É¤ò »ØÄꤷ¤Æ¤â¡¢Êѹ¹¤Ï¤Ç¤­¤Ê¤¤¤³¤È¤ËÃí°Õ¤·¤Æ²¼¤µ¤¤¡£

‘front‘ ¤ò»ØÄꤹ¤ë¤È¡¢Ìð¤Ï¥°¥é¥Õ¤Î¥Ç¡¼¥¿¤Î¾å¤ËÉÁ¤«¤ì¤Þ¤¹¡£‘back‘ ¤¬»Ø Äꤵ¤ì¤¿¾ì¹ç (¥Ç¥Õ¥©¥ë¥È) ¤ÏÌð¤Ï¥°¥é¥Õ¤Î¥Ç¡¼¥¿¤Î²¼¤ËÉÁ¤«¤ì¤Þ¤¹¡£‘front‘ ¤ò»È¤¨¤Ð¡¢Ì©½¸¤·¤¿¥Ç¡¼¥¿¤ÇÌ𤬸«¤¨¤Ê¤¯¤Ê¤ë¤³¤È¤òËɤ°¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

Îã:

¸¶ÅÀ¤«¤é (1,2) ¤Ø¤ÎÌð°õ¤ò¥æ¡¼¥¶ÄêµÁºÑ¤Î¥¹¥¿¥¤¥ë 5 ¤ÇÉÁ¤¯¤Ë¤Ï:

      set arrow to 1,2 ls 5

ÉÁ²èÎΰè¤Îº¸²¼³Ñ¤«¤é (-5,5,3) ¤Ø¥¿¥°ÈÖ¹æ 3 ¤ÎÌð°õ¤òÉÁ¤¯¤Ë¤Ï:

      set arrow 3 from graph 0,0 to -5,5,3

Ìð°õ¤Îü¤ò 1,1,1 ¤ËÊѹ¹¤·¡¢ÌðÀè¤ò³°¤·¤ÆÉý¤ò 2 ¤Ë¤¹¤ë¤Ë¤Ï:

      set arrow 3 to 1,1,1 nohead lw 2

x=3 ¤Î½ê¤Ø¥°¥é¥Õ¤Î²¼¤«¤é¾å¤Þ¤Ç±ôľÀþ¤òÉÁ¤¯¤Ë¤Ï:

      set arrow from 3, graph 0 to 3, graph 1 nohead

T »ú·¿¤ÎÌðÀè¤òξü¤Ë»ý¤Ä±ôľÊý¸þ¤ÎÌð¤òÉÁ¤¯¤Ë¤Ï:

      set arrow 3 from 0,-5 to 0,5 heads size screen 0.1,90

»ÏÅÀ¤«¤é¤ÎÁêÂÐŪ¤Êµ÷Î¥¤ò¥°¥é¥ÕºÂɸ¤ÇÍ¿¤¨¤ÆÌð¤òÉÁ¤¯¤Ë¤Ï:

      set arrow from 0,-5 rto graph 0.1,0.1

x ¤ÎÂпô¼´¤ËÁêÂÐŪ¤Ê½ªÅÀ¤ò»ØÄꤷ¤ÆÌð¤òÉÁ¤¯¾ì¹ç:

      set logscale x
      set arrow from 100,-5 rto 10,10

¤³¤ì¤Ï 100,-5 ¤«¤é 1000,5 ¤Þ¤Ç¤ÎÌð¤òÉÁ¤­¤Þ¤¹¡£Àþ·Á¼´ (y) ¤ËÂФ·¤Æ¤ÏÁê ÂÐŪ¤ÊºÂɸ 10 ¤¬ "º¹ 10" ¤ò°ÕÌ£¤¹¤ë¤Î¤ËÂФ·¡¢Âпô¼´ (x) ¤ËÂФ·¤Æ¤ÏÁêÂРŪ¤ÊºÂɸ 10 ¤Ï "ÇÜ¿ô 10" ¤È¤·¤ÆƯ¤­¤Þ¤¹¡£

2 ÈÖ¤ÎÌð°õ¤ò¾Ã¤¹¤Ë¤Ï:

      unset arrow 2

Á´¤Æ¤ÎÌð°õ¤ò¾Ã¤¹¤Ë¤Ï:

      unset arrow

Á´¤Æ¤ÎÌð°õ¤Î¾ðÊó¤ò (¥¿¥°¤Î½ç¤Ë) ¸«¤ë¤Ë¤Ï:

      show arrow

Ìð°õ¤Î¥Ç¥â

3.25.3 autoscale

¼«Æ°½Ì¼Üµ¡Ç½ (autoscale) ¤Ï x, y, z ¤Î³Æ¼´¤ËÂФ·¤ÆÆÈΩ¤Ë¡¢¤Þ¤¿¤Ï°ì³ç¤· ¤Æ»ØÄê¤Ç¤­¤Þ¤¹¡£¥Ç¥Õ¥©¥ë¥È¤Ç¤ÏÁ´¤Æ¤Î¼´¤ËÂФ·¤Æ¼«Æ°½Ì¼ÜÀßÄê¤ò¹Ô¤¤¤Þ¤¹¡£ ¿Þ¤ÎÃæ¤Î°ìÉô¤ÎÉÁ²è (plot) ¤ÎÁȤΤߤò¸µ¤Ë autoscale ¤·¤¿¤¤¾ì¹ç¤Ï¡¢¤½ ¤ÎÂоݤǤʤ¤ plot ¤Ë¥Õ¥é¥° ‘noautoscale‘ ¤ò¤Ä¤±¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ °Ê²¼»²¾È: datafile¡£

½ñ¼°:

      set autoscale {<axes>{|min|max|fixmin|fixmax|fix} | fix | keepfix}
      unset autoscale {<axes>}
      show autoscale

¤³¤³¤Ç¡¢<axes> (¼´) ¤Ï ‘x‘, ‘y‘, ‘z‘, ‘cb‘, ‘x2‘, ‘y2‘, ‘xy‘ ¤Î¤¤¤º¤ì ¤«¤Ç¤¹¡£‘min‘ ¤Þ¤¿¤Ï ‘max‘ ¤ò¼´¤ËÄɲûØÄꤹ¤ë¤È (‘xy‘ ¤Ç¤Ï»È¤¨¤Þ¤»¤ó¤¬) ¤½¤ì¤Ï ‘gnuplot‘ ¤Ë¤½¤Î¼´¤ÎºÇ¾®ÃÍ¡¢¤Þ¤¿¤ÏºÇÂçÃͤΤߤò¼«Æ°½Ì¼Ü¤µ¤»¤ë¤³ ¤È¤Ë¤Ê¤ê¤Þ¤¹¡£¼´¤â²¿¤â»ØÄꤵ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¤ÏÁ´¤Æ¤Î¼´¤¬ÂоݤȤʤê¤Þ¤¹¡£

‘fixmin‘ ¤ä ‘fixmax‘ ¤ä ‘fix‘ ¤òÄɲûØÄꤹ¤ë¤È¡¢Åù´Ö³Ö¤ÎÌÜÀ¹¤ê¤Î¼«Æ°½Ì ¼Ü»þ¤Î¡¢¼¡¤ÎÌÜÀ¹¤ê°ÌÃ֤ޤǤÎÈϰϤμ«Æ°³ÈÂç¤ò gnuplot ¤Ë¹Ô¤ï¤»¤Ê¤¤¤è¤¦ ¤Ë¤·¤Þ¤¹¡£‘set autoscale fix‘ ¤Ï¤³¤ì¤òÁ´¤Æ¤Î¼´¤ËÂФ·¤ÆÀßÄꤷ¤Þ¤¹¡£¥³¥Þ ¥ó¥É ‘set autoscale keepfix‘ ¤Ï¡¢Ä¾Á°¤Î ‘fix‘ ¤ÎÀßÄê¤ò°Ý»ý¤·¤¿¤Þ¤ÞÁ´¤Æ ¤Î¼´¤ò¼«Æ°½Ì¼Ü¤Ë¤·¤Þ¤¹¡£

¼«Æ°½Ì¼Üµ¡Ç½¤ò»È¤¦¤È¤­¤Ï¡¢ÉÁ²èÈϰϤϼ«Æ°Åª¤Ë³ä¤ê½Ð¤µ¤ì¡¢½¾Â°ÊÑ¿ô¼´ (plot ¤Î¤È¤­¤Ï y ¼´¡¢‘splot‘ ¤Î¤È¤­¤Ï z ¼´) ¤Ï¡¢´Ø¿ô¤ä¥Ç¡¼¥¿¤ÎÃͰ褬 ¼ý¤Þ¤ë¤è¤¦¤ËÀßÄꤵ¤ì¤Þ¤¹¡£

½¾Â°ÊÑ¿ô¼´ (y ¤Þ¤¿¤Ï z) ¤Î¼«Æ°½Ì¼Üµ¡Ç½¤¬»ØÄꤵ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¤Ï¡¢¸½ºß¤Î y ¤ä z ¤ÎÉÁ²èÈϰϤ¬¤½¤Î¤Þ¤Þ»È¤ï¤ì¤Þ¤¹¡£

ÆÈΩÊÑ¿ô¼´ (plot ¤Î¤È¤­¤Ï x ¼´¡¢‘splot‘ ¤Î¤È¤­¤Ï x,y ¼´) ¤Î¼«Æ°½Ì¼Ü µ¡Ç½¤¬»ØÄꤵ¤ì¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢ÉÁ²è¤µ¤ì¤ëÁ´¤Æ¤Î¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤ÎÅÀ¤¬¼ý¤Þ¤ë ¤è¤¦¤ËÄêµÁ°è¤ò¤È¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤¬ 1 ¤Ä¤â»ØÄꤵ¤ì¤Æ¤¤ ¤Ê¤¤¾ì¹ç¤Ï¡¢¼«Æ°½Ì¼Üµ¡Ç½¤Ï¤Ê¤ó¤Î¸ú²Ì¤â¤¢¤ê¤Þ¤»¤ó¡£¤Ä¤Þ¤ê¡¢´Ø¿ô¤Î¤ß¤¬ »ØÄꤵ¤ì¤Æ¤¤¤Æ¥Ç¡¼¥¿¡¼¥Õ¥¡¥¤¥ë¤ò»È¤ï¤Ê¤¤¾ì¹ç¤Ï¡¢x ¼´¤ÎÉÁ²èÈÏ°Ï (z = f(x,y) ¤òÉÁ²è¤·¤Æ¤¤¤ë¤È¤­¤Ï y ¼´¤â) ¤Ï±Æ¶Á¤ò¤¦¤±¤Þ¤»¤ó¡£

ÈϰϤ˴ؤ¹¤ë¤è¤ê¾Ü¤·¤¤¾ðÊó¤Ë´Ø¤·¤Æ¤Ï¡¢°Ê²¼»²¾È: xrange¡£

ÇÞ²ðÊÑ¿ô¥â¡¼¥É (parametric) ¤Ç¤â¼«Æ°½Ì¼Üµ¡Ç½¤ÏÍ­¸ú¤Ç¤¹ (°Ê²¼»²¾È: parametric)¡£¤³¤Î¾ì¹ç¡¢¤è¤ê¿¤¯¤Î½¾Â°ÊÑ¿ô¤¬¤¢¤ë¤Î¤Ç¡¢x, y, z ³Æ ¼´¤Ë´Ø¤·¤Æ¡¢¤è¤ê¿¤¯¤ÎÀ©¸æ¤¬¹Ô¤ï¤ì¤Þ¤¹¡£ÇÞ²ðÊÑ¿ô¥â¡¼¥É¤Ç¤ÎÆÈΩÊÑ¿ô (²¾ ÊÑ¿ô) ¤Ï plot ¤Ç¤Ï t ¤Ç ‘splot‘ ¤Ç¤Ï u, v ¤Ç¤¹¡£¤½¤·¤ÆÇÞ²ðÊÑ¿ô¥â¡¼¥É ¤Ç¤Ï¡¢¼«Æ°½Ì¼Üµ¡Ç½¤Ï (t, u, v, x, y, z) ¤ÎÁ´¤Æ¤ÎÉÁ²èÈϰϤòÀ©¸æ¤·¡¢x, y, z ¤ÎÈϰϤμ«Æ°ÀßÄê¤ò´°Á´¤Ë¹Ô¤¤¤Þ¤¹¡£

¼«Æ°½Ì¼Üµ¡Ç½¤Ï¡¢¶ËºÂɸ¥â¡¼¥É (polar mode) ¤Ç¤â plot ¤ÎÇÞ²ðÊÑ¿ô¥â¡¼¥É ¤ÈƱÍͤ˵¡Ç½¤·¤Þ¤¹¤¬¡¢¶ËºÂɸ¥â¡¼¥É¤Ç¤Ï dummy ¤ÇÆÈΩÊÑ¿ô¤ò t ¤«¤é Êѹ¹¤¹¤ë¤Ç¤­¤ë (°Ê²¼»²¾È: dummy) ¤È¤¤¤¦³ÈÄ¥¤¬¤¢¤ê¤Þ¤¹¡£

ÌÜÀ¹¤ê¤¬ÂèÆó¤Î¼´¤Ëɽ¼¨¤µ¤ì¡¢¤·¤«¤â¤³¤ì¤é¤Î¼´¤ËÂФ¹¤ëÉÁ²è¤¬¹Ô¤ï¤ì¤Ê¤«¤Ã ¤¿¾ì¹ç¤Ë¤Ï¡¢x2range ¤È y2range ¤Ï xrange ¤È yrange ¤ÎÃͤò¼õ¤±·Ñ¤®¤Þ¤¹¡£ ¤³¤ì¤Ï¡¢xrange ¤È yrange ¤¬À°¿ô¸Ä¤ÎÌÜÀ¹¤êÉý¤Ë¼«Æ°½Ì¼Ü¤µ¤ì¤ë¡ÖÁ°¡×¤Ë¹Ô¤ï ¤ì¤Þ¤¹¤Î¤Ç¡¢¾ì¹ç¤Ë¤è¤Ã¤Æͽ´ü¤·¤Ê¤¤·ë²Ì¤ò¤â¤¿¤é¤¹²ÄǽÀ­¤¬¤¢¤ê¤Þ¤¹¡£¤½¤ì ¤òÈò¤±¤ë¤¿¤á¤Ë ‘fixmin‘, ‘fixmax‘ ¥ª¥×¥·¥ç¥ó¤ò»È¤¦¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

Îã:

°Ê²¼¤Ï y ¼´¤Î¼«Æ°½Ì¼Üµ¡Ç½¤ò»ØÄꤷ¤Þ¤¹ (¾¤Î¼´¤Ë¤Ï±Æ¶Á¤òÍ¿¤¨¤Þ¤»¤ó):

      set autoscale y

°Ê²¼¤Ï y ¼´¤ÎºÇ¾®ÃͤËÂФ·¤Æ¤Î¤ß¼«Æ°½Ì¼Üµ¡Ç½¤ò»ØÄꤷ¤Þ¤¹ (y ¼´¤ÎºÇÂçÃÍ¡¢ ¤ª¤è¤Ó¾¤Î¼´¤Ë¤Ï±Æ¶Á¤òÍ¿¤¨¤Þ¤»¤ó):

      set autoscale ymin

°Ê²¼¤Ï x2 ¼´¤ÎÎÙ¤ÎÌÜÀ¹¤ê¤Ø¤Î¼«Æ°ÈϰϳÈÂ絡ǽ¤ò̵¸ú¤Ë¤·¡¢¤è¤Ã¤ÆÉÁ²è¥Ç¡¼ ¥¿Æâ¡¢¤Þ¤¿¤Ï´Ø¿ô¤ËÂФ¹¤ëÃúÅÙ¤ÎÉÁ²èÈϰϤò°Ý»ý¤·¤Þ¤¹:

      set autoscale x2fixmin
      set autoscale x2fixmax

°Ê²¼¤Ï x, y ξ¼´¤Î¼«Æ°½Ì¼Üµ¡Ç½¤ò»ØÄꤷ¤Þ¤¹:

      set autoscale xy

°Ê²¼¤Ï x, y, z, x2, y2 Á´¼´¤Î¼«Æ°½Ì¼Üµ¡Ç½¤ò»ØÄꤷ¤Þ¤¹:

      set autoscale

°Ê²¼¤Ï x, y, z, x2, y2 Á´¼´¤Î¼«Æ°½Ì¼Üµ¡Ç½¤ò¶Ø»ß¤·¤Þ¤¹:

      unset autoscale

°Ê²¼¤Ï z ¼´¤Î¤ß¤Ë¤Ä¤¤¤Æ¼«Æ°½Ì¼Üµ¡Ç½¤ò¶Ø»ß¤·¤Þ¤¹:

      unset autoscale z

3.25.3.1 ÇÞ²ðÊÑ¿ô¥â¡¼¥É (parametric)

ÇÞ²ðÊÑ¿ôɽ¼¨¥â¡¼¥É (parametric) ¤Ë¤ª¤¤¤Æ¤Ï¡¢xrange ¤â yrange ¤È ƱÍͤ˽̼ܤòÊѤ¨¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤Ä¤Þ¤ê¡¢ÇÞ²ðÊÑ¿ô¥â¡¼¥É¤Ë¤ª¤¤¤Æ¤Ï¡¢ x ¼´Êý¸þ¤â¼«Æ°Åª¤Ë½Ì¼Ü¤¬Ä´À°¤µ¤ì¡¢ÉÁ¤³¤¦¤È¤·¤Æ¤¤¤ëÇÞ²ðÊÑ¿ôɽ¼¨¤Î´Ø¿ô¤¬ ¼ý¤Þ¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£¤â¤Á¤í¤ó¡¢y ¼´Êý¸þ¤âÇÞ²ðÊÑ¿ô¥â¡¼¥É¤Ç¤Ê¤¤»þƱÍÍ¤Ë ¼«Æ°Åª¤Ë½Ì¼Ü¤òÊѤ¨¤Þ¤¹¡£x ¼´¤Ë¤Ä¤¤¤Æ¼«Æ°½Ì¼Üµ¡Ç½¤¬ÀßÄꤵ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç ¤Ï¡¢¸½ºß¤Î x ¤ÎÈϰϤ¬»È¤ï¤ì¤Þ¤¹¡£

¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤ÏÇÞ²ðÊÑ¿ô¥â¡¼¥É¤Ç¤â¤½¤¦¤Ç¤Ê¤¤¾õÂ֤ǤâƱÍͤËÉÁ²è¤µ¤ì ¤Þ¤¹¡£¤·¤«¤·¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤È´Ø¿ô¤¬º®ºß¤·¤Æ¤¤¤ë¾ì¹ç¤Ë¤Ï¡¢°ã¤¤¤¬¤¢ ¤ê¤Þ¤¹: ÇÞ²ðÊÑ¿ô¥â¡¼¥É¤Ç¤Ê¤±¤ì¤Ð¡¢x ¤Î¼«Æ°½Ì¼Üµ¡Ç½¤Ï¡¢´Ø¿ô¤ÎÈϰϤò ¥Ç¡¼¥¿¤ÎÉÁ²èÈϰϤ˹ç¤ï¤»¤Þ¤¹¡£¤·¤«¤·ÇÞ²ðÊÑ¿ô¥â¡¼¥É¤Ç¤Ï¥Ç¡¼¥¿¤ÎÈÏ°Ï ¤Ï´Ø¿ô¤ÎÈϰϤ˱ƶÁ¤·¤Þ¤»¤ó¡£

¤½¤ì¤Ë¤Ï¡¢ÊÒ¼êÍî¤Á¤Ë¤Ê¤é¤Ê¤¤¤è¤¦¤Ë ‘set autoscale t‘ ¤È¤¤¤¦¥³¥Þ¥ó¥É ¤âÍÑ°Õ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£¤·¤«¤·¤½¤Î¸ú²Ì¤ÏÈó¾ï¤Ë¾®¤µ¤¤¤â¤Î¤Ç¤¹¡£¼«Æ°½Ì¼Ü µ¡Ç½¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¤È¡¢‘gnuplot‘ ¤¬ t ¤ÎÈϰϤ¬Ìµ¤¯¤Ê¤Ã¤Æ¤·¤Þ¤¦¤È ȽÃǤ·¤¿¾ì¹ç¤ËÈϰϤò¾¯¤·Ä´À°¤·¤Þ¤¹¡£¼«Æ°½Ì¼Üµ¡Ç½¤¬ÀßÄꤵ¤ì¤Æ¤¤¤Ê¤¤¤È ¤³¤Î¤è¤¦¤Ê¤È¤­¤Ë¤Ï¥¨¥é¡¼¤È¤Ê¤ê¤Þ¤¹¡£¤³¤Î¤è¤¦¤ÊÆ°ºî¤Ï¼Â¤Ï¤¢¤Þ¤ê°ÕÌ£¤¬ ¤Ê¤¯¡¢¤è¤Ã¤Æ ‘set autoscale t‘ ¤È¤¤¤¦¥³¥Þ¥ó¥É¤Ï¸ºß°ÕµÁ¤Ëµ¿Ì䤬¤¢¤ê ¤Þ¤¹¡£

‘splot‘ ¤Ç¤Ï¾åµ­¤ÎȯÁۤθµ¤Ë³ÈÄ¥¤µ¤ì¤Æ¤¤¤Þ¤¹¡£¼«Æ°½Ì¼Üµ¡Ç½¤¬ÀßÄꤵ¤ì ¤Æ¤¤¤ë¾ì¹ç¡¢x, y, z ¤Î³ÆÉÁ²èÈϰϤϷ׻»·ë²Ì¤¬¼ý¤Þ¤ë¤è¤¦¤ËÀßÄꤵ¤ì½Ì¼Ü Ä´À°¤µ¤ì¤Þ¤¹¡£

3.25.3.2 ¶ËºÂɸ¥â¡¼¥É (polar)

¶ËºÂɸ¥â¡¼¥É (polar) ¤Ç¤Ï¡¢xrange ¤È yrange ¤Ï¼«Æ°½Ì¼Ü¥â¡¼¥É¤Ç¤Ï ¤Ê¤¯¤Ê¤ê¤Þ¤¹¡£Æ°·Â¼´¤ÎÈÏ°ÏÀ©¸ÂÍÑ¤Ë rrange ¤ò»ÈÍѤ·¤¿¾ì¹ç¡¢xrange ¤È yrange ¤Ï¤½¤ì¤Ë¹ç¤¦¤è¤¦¤Ë¼«Æ°Åª¤ËÄ´À°¤µ¤ì¤Þ¤¹¡£¤·¤«¤·¡¢¤µ¤é¤Ë¤½¤ì¤ò Ä´À°¤·¤¿¤±¤ì¤Ð¡¢¤½¤Î¸å¤ËÌÀ¼¨Åª¤Ë xrange ¤ä yrange ¥³¥Þ¥ó¥É¤ò»È¤¦¤³¤È¤¬ ¤Ç¤­¤Þ¤¹¡£°Ê²¼»²¾È: rrange¡£trange ¤Ï¼«Æ°ÈÏ°ÏÀßÄ꤬¤Ê¤µ¤ì¤Þ¤¹¡£ ¤â¤·¡¢trange ¤¬¤¢¤ë¾Ý¸Â (»Íʬ±ß) ¤Ë¼ý¤Þ¤ë¤Ê¤é¤Ð¡¢¼«Æ°½Ì¼Üµ¡Ç½¤Ë¤è¤ê¤½ ¤Î¾Ý¸Â¤Î¤ß¤ÎÉÁ²è¤¬¹Ô¤ï¤ì¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£

1 ¤Ä¡¢¤¢¤ë¤¤¤Ï 2 ¤Ä¤ÎÈϰϤÏÌÀ¼¨Åª¤ËÀßÄꤷ¤Æ¤½¤Î¾¤Î¤â¤Î¤ò»ØÄꤷ¤Ê¤¤¾ì¹ç¤Ï ͽ´ü¤·¤Ê¤¤·ë²Ì¤ò°ú¤­µ¯¤³¤¹¤«¤âÃΤì¤Þ¤»¤ó¡£ °Ê²¼¤â»²¾È ¶ËºÂɸ¤Î¥Ç¥â¡£

3.25.4 bars

¥³¥Þ¥ó¥É bars ¤Ï¸íº¹¥°¥é¥Õ (errorbar) ¤Îξü¡¢¤ª¤è¤Ó boxplot ¤Ë ¤Ä¤¯È¢¤Ò¤²¤Îξü¤Î¥Þ¡¼¥¯¤òÀ©¸æ¤·¤Þ¤¹¡£

½ñ¼°:

      set bars {small | large | fullwidth | <size>} {front | back}
      unset bars
      show bars

‘small‘ ¤Ï 0.0, ‘large‘ ¤Ï 1.0 ¤ÈƱ¤¸¤Ç¤¹¡£¥µ¥¤¥º¤ò»ØÄꤷ¤Ê¤±¤ì¤Ð¥Ç¥Õ¥© ¥ë¥È¤ÎÃÍ¤Ï 1.0 ¤Ç¤¹¡£

¥­¡¼¥ï¡¼¥É ‘fullwidth‘ ¤Ï¡¢errorbar ¤òȼ¤¦ boxplots ¤È histograms ¤Ë¤Î ¤ß´ØÏ¢¤·¤Þ¤¹¡£¤³¤ì¤Ï errorbar ¤Îξü¤ÎÉý¤ò¡¢Âбþ¤¹¤ëÈ¢¤ÎÉý¤ÈƱ¤¸¤ËÀßÄê ¤·¤Þ¤¹¤¬¡¢È¢¤ÎÉý¼«ÂΤòÊѹ¹¤¹¤ë¤³¤È¤Ï¤¢¤ê¤Þ¤»¤ó¡£

¥­¡¼¥ï¡¼¥É ‘front‘, ‘back‘ ¤Ï¡¢ÅɤêÄÙ¤·Ä¹Êý·Á¤Î¤Ä¤¤¤¿ errorbar ¤Î¤ß¤Ë ´ØÏ¢¤·¤Þ¤¹ (boxes, candlesticks, histograms)¡£

3.25.5 bind

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3.25.6 bmargin

¥³¥Þ¥ó¥É bmargin ¤Ï¡¢²¼Éô¤Î;Çò¤Î¥µ¥¤¥º¤òÀßÄꤷ¤Þ¤¹¡£¾ÜºÙ¤Ï °Ê²¼»²¾È: margin¡£

3.25.7 border

border ¤È border ¤Ï plot ¤ä ‘splot‘ ¤Ç¤Î¥°¥é¥Õ¤ÎÏȤΠɽ¼¨¤òÀ©¸æ¤·¤Þ¤¹¡£ÏȤÏɬ¤º¤·¤â¼´¤È¤Ï°ìÃפ·¤Ê¤¤¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£ plot ¤Ç¤ÏÂçÄñ°ìÃפ·¤Þ¤¹¤¬¡¢‘splot‘ ¤Ç¤ÏÂçÄñ°ìÃפ·¤Æ¤¤¤Þ¤»¤ó¡£

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      set border {<integer>} {front | back} {linewidth | lw <line_width>}
                 {{linestyle | ls <line_style>} | {linetype | lt <line_type>}}
      unset border
      show border

‘set view 56,103‘ ¤Î¤è¤¦¤ËǤ°Õ¤ÎÊý¸þ¤Çɽ¼¨¤µ¤ì¤¦¤ë ‘splot‘ ¤Ç¤Ï¡¢ x-y Ê¿Ì̾å¤Î 4 ¤Ä¤Î³Ñ¤Ï ¼êÁ° (‘front‘), ¸å¤í (‘back‘) , º¸ (‘left‘), ±¦ (‘right‘) ¤Î¤è¤¦¤Ë¸Æ¤Ð¤ì¤Þ¤¹¡£¤â¤Á¤í¤ó¤³¤ÎƱ¤¸ 4 ¤Ä¤Î³Ñ¤ÏÅ·°æ¤ÎÌ̤ˤ⠤¢¤ê¤Þ¤¹¡£¤è¤Ã¤Æ¡¢Î㤨¤Ð x-y Ê¿Ì̾å¤Î¸å¤í¤È±¦¤Î³Ñ¤ò¤Ä¤Ê¤°¶­³¦¤ò "Äì¤Î±¦¸å¤í (bottom right back)" ¤È¸À¤¤¡¢Äì¤ÈÅ·°æ¤Î¼êÁ°¤Î³Ñ¤ò¤Ä¤Ê¤°¶­ ³¦¤ò "±ôľ¼êÁ° (front vertical)" ¤È¸Æ¤Ö¤³¤È¤Ë¤·¤Þ¤¹ (¤³¤Î̿̾ˡ¤Ï¡¢ÆÉ ¼Ô¤¬²¼¤Îɽ¤òÍý²ò¤¹¤ë¤¿¤á¤À¤±¤Ë»È¤ï¤ì¤Þ¤¹)¡£

ÏȤϡ¢12 ¥Ó¥Ã¥È¤ÎÀ°¿ô¤ËÉä¹æ²½¤µ¤ì¤Æ¤¤¤Þ¤¹: ²¼°Ì 4 ¥Ó¥Ã¥È¤Ï plot ¤ËÂÐ ¤¹¤ë³°ÏÈ¡¢‘splot‘ ¤ËÂФ·¤Æ¤ÏÄìÌ̤γ°ÏÈ¡¢¼¡¤Î 4 ¥Ó¥Ã¥È¤Ï ‘splot‘ ¤Î±ôľ¤Ê ³°ÏÈ¡¢¤½¤·¤Æ¾å°Ì 4 ¥Ó¥Ã¥È¤Ï ‘splot‘ ¤ÎÅ·°æÌ̤γ°ÏȤòÀ©¸æ¤·¤Þ¤¹¡£¤½¤Î ‘<À°¿ô>‘ Ãͤϼ¡¤Îɽ¤ÎÂбþ¤¹¤ë¹àÌܤοô»ú¤ÎϤˤʤê¤Þ¤¹:

         ¥Ó¥Ã¥È     plot        splot
              1      ²¼      Äì¤Îº¸¼êÁ°
              2      º¸      Äì¤Îº¸¸å¤í
              4      ¾å      Äì¤Î±¦¼êÁ°
              8      ±¦      Äì¤Î±¦¸å¤í
             16    ¸ú²Ì¤Ê¤·  ±ôľº¸
             32    ¸ú²Ì¤Ê¤·  ±ôľ¸å¤í
             64    ¸ú²Ì¤Ê¤·  ±ôľ±¦
            128    ¸ú²Ì¤Ê¤·  ±ôľ¼êÁ°
            256    ¸ú²Ì¤Ê¤·  Å·°æ¤Îº¸¸å¤í
            512    ¸ú²Ì¤Ê¤·  Å·°æ¤Î±¦¸å¤í
           1024    ¸ú²Ì¤Ê¤·  Å·°æ¤Îº¸¼êÁ°
           2048    ¸ú²Ì¤Ê¤·  Å·°æ¤Î±¦¼êÁ°

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¥Ç¥Õ¥©¥ë¥È¤ÎÃÍ¤Ï 31 ¤Ç¡¢¤³¤ì¤Ï plot ¤Ç¤Ï 4 Êý¸þ¤Î³°ÏÈÁ´¤Æ¡¢‘splot‘ ¤Ç¤ÏÄìÌ̤ÎÏÈÀþÁ´Éô¤È z ¼´¤òÉÁ¤¯¤³¤È¤ò°ÕÌ£¤·¤Þ¤¹¡£

2 ¼¡¸µÉÁ²è¤Ç¤Ï¶­³¦¤Ï¤¹¤Ù¤Æ¤ÎÉÁ²èÍ×ÁǤΰìÈÖ¾å¤ËÉÁ¤«¤ì¤Þ¤¹ (‘front‘)¡£ ¤â¤·¶­³¦¤òÉÁ²èÍ×ÁǤβ¼¤ËÉÁ¤«¤»¤¿¤¤¾ì¹ç¤Ï¡¢‘set border back‘ ¤È¤·¤Æ¤¯¤À ¤µ¤¤¡£

<line_style>, <line_type>, <line_width> ¤ò»ØÄꤷ¤Æ¡¢ÏÈÀþ¤ÎÉÁ²è¤Ë¤½¤ì ¤é¤òÈ¿±Ç¤µ¤»¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹ (¸½ºß¤Î½ÐÎÏÁõÃÖ¤¬¥µ¥Ý¡¼¥È¤¹¤ë¤â¤Î¤Ë¸ÂÄê ¤µ¤ì¤Þ¤¹)¡£

plot ¤Ç¤Ï¡¢Âè 2 ¼´¤òÍ­¸ú¤Ë¤¹¤ë¤³¤È¤Ç¡¢²¼¤Èº¸°Ê³°¤Î¶­³¦¤ËÌÜÀ¹¤ê¤òÉÁ¤¯ ¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: ‘xtics‘¡£

"‘unset surface; set contour base‘" ¤Ê¤É¤Ë¤è¤Ã¤Æ ‘splot‘ ¤ÇÄìÌÌ¤Ë¤Î¤ß ÉÁ²è¤¹¤ë¾ì¹ç¡¢±ôľÀþ¤äÅ·°æ¤Ï¤½¤ì¤é¤¬»ØÄꤵ¤ì¤Æ¤¤¤Æ¤âÉÁ²è¤µ¤ì¤Þ¤»¤ó¡£

grid ¤Î¥ª¥×¥·¥ç¥ó ’back’, ’front’, ’layerdefault’ ¤Ç¤â¡¢ÉÁ²è½ÐÎÏ ¤Î¶­³¦Àþ¤ò½ñ¤¯½çÈÖ¤òÀ©¸æ¤Ç¤­¤Þ¤¹¡£

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°Ê²¼¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤ÎÏÈÀþ¤òÉÁ¤­¤Þ¤¹:

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      set border 3

°Ê²¼¤Ï¡¢‘splot‘ ¤Ç¼þ¤ê¤Ë´°Á´¤ÊÈ¢¤òÉÁ¤­¤Þ¤¹:

      set border 4095

°Ê²¼¤Ï¡¢¼êÁ°¤Î±ôľÌ̤ÈÅ·°æ¤Î¤Ê¤¤È¢¤òÉÁ¤­¤Þ¤¹:

      set border 127+256+512 # ¤Þ¤¿¤Ï set border 1023-128

°Ê²¼¤Ï¡¢plot ¤ËÂФ·¤Æ¾å¤È±¦ÏÈÀþ¤Î¤ß¤òÉÁ¤­¡¢¤½¤ì¤é¤ò¼´¤È¤·¤ÆÌÜÀ¹¤ê¤Å ¤±¤·¤Þ¤¹:

      unset xtics; unset ytics; set x2tics; set y2tics; set border 12

3.25.8 boxwidth

¥³¥Þ¥ó¥É boxwidth ¤Ï boxes, boxerrorbars, boxplot, candlesticks, histograms ¥¹¥¿¥¤¥ë¤Ë¤ª¤±¤ëËÀ¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÉý¤òÀßÄê ¤¹¤ë¤¿¤á¤Ë»È¤¤¤Þ¤¹¡£

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¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢ÎÙ¤ê¹ç¤¦ËÀ¤¬Àܤ¹¤ë¤è¤¦¤Ë³Æ¡¹¤ÎËÀ¤ÎÉý¤¬¹­¤²¤é¤ì¤Þ¤¹¡£¤½ ¤ì¤È¤Ï°Û¤Ê¤ë¥Ç¥Õ¥©¥ë¥È¤ÎÉý¤òÀßÄꤹ¤ë¤Ë¤Ï boxwidth ¥³¥Þ¥ó¥É¤ò»ÈÍÑ ¤·¤Þ¤¹¡£‘relative‘ ¤Î¾ì¹ç¤ÎÉý¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤ÎÉý¤ËÂФ¹¤ëÈæ¤Ç¤¢¤ë¤È²ò¼á ¤µ¤ì¤Þ¤¹¡£

½¤¾þ»Ò ‘relative‘ ¤ò»ØÄꤷ¤Ê¤«¤Ã¤¿¾ì¹ç¡¢ËÀ¤ÎÉý (boxwidth) ¤È¤·¤Æ»ØÄꤵ ¤ì¤¿ÌÀ¼¨Åª¤ÊÃͤϡ¢¸½ºß¤Î x ¼´¤Îñ°Ì¤Ç¤Î¿ô»ú (‘absolute‘) ¤Ç¤¢¤ë¤È²ò¼á ¤µ¤ì¤Þ¤¹¡£x ¼´¤¬Âпô¼´ (°Ê²¼»²¾È: ‘set log‘) ¤Ç¤¢¤ë¾ì¹ç¡¢boxwidth ¤ÎÃÍ ¤Ï¼ÂºÝ¤Ë¤Ï x=1 ¤Ç¤Î¤ß "ÀäÂÐŪ" ¤È¤Ê¤ê¡¢¤½¤ÎʪÍýŪ¤ÊŤµ¤¬¼´Á´ÂΤòÄ̤¸ ¤ÆÊÝ»ý¤µ¤ì¤Þ¤¹ (¤¹¤Ê¤ï¤Á¡¢ËÀ¤Ï x ºÂɸ¤ÎÁý²Ã¤Ë¤È¤â¤Ê¤Ã¤Æ¶¹¤¯¤Ê¤Ã¤¿¤ê¤Ï ¤·¤Þ¤»¤ó)¡£Âпô¼´¤Î x ¼´¤ÎÈϰϤ¬ x=1 ¤«¤éÎ¥¤ì¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢Å¬ÀÚ¤ÊÉý¤ò ¸«½Ð¤¹¤Ë¤Ï²¿ÅÙ¤«»î¤·¤Æ¤ß¤ëɬÍפ¬¤¢¤ë¤«¤âÃΤì¤Þ¤»¤ó¡£

¥Ç¥Õ¥©¥ë¥È¤ÎÃͤϡ¢boxes ¤ä boxerrorbars ¥¹¥¿¥¤¥ë¤ÎÉý»ØÄêÍѤÎÄɲäΠ¥Ç¡¼¥¿Îó¤ÎÌÀ¼¨Åª¤ÊÃͤ¬¤¢¤ì¤Ð¤½¤ì¤Ë¤è¤Ã¤ÆÃÖ¤­´¹¤¨¤é¤ì¤Þ¤¹¡£4 Îó¤Î¥Ç¡¼¥¿ ¤Î¾ì¹ç¡¢Âè 4 ÎóÌܤÎÃͤ¬ËÀ¤ÎÉý¤È¤·¤Æ»È¤ï¤ì¤Þ¤¹¡£¤¿¤À¤·¡¢¤½¤ÎÉý¤¬ -2.0 ¤Î¾ì¹ç¤Ë¤ÏËÀ¤ÎÉý¤Ï¼«Æ°·×»»¤µ¤ì¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: boxes, boxerrorbars¡£

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plot ¤Î¥­¡¼¥ï¡¼¥É using ¤ò»È¤Ã¤Æ¤âƱ¤¸¸ú²Ì¤òÆÀ¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹:

      plot 'file' using 1:2:3:4:(-2)

ËÀ¤ÎÉý¤ò¼«Æ°Åª¤ÊÃͤÎȾʬ¤Ë¤¹¤ë¤Ë¤Ï

      set boxwidth 0.5 relative

ËÀ¤ÎÉý¤òÀäÂÐŪ¤ÊÃÍ 2 ¤Ë¤¹¤ë¤Ë¤Ï

      set boxwidth 2 absolute

3.25.9 clabel

‘gnuplot‘ ¤Ï¡¢clabel ¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë»þ¤Ë¤Ï¡¢³Æ¡¹¤ÎÅù¹âÀþ¤Î¥ì¥Ù¥ë¤ËÂÐ ¤·¤Æ»È¤¦Àþ¼ï¤òÊѲ½¤µ¤»¤Þ¤¹¡£¤³¤Î¥ª¥×¥·¥ç¥ó¤¬Í­¸ú¤Ç¤¢¤ë¾ì¹ç (¥Ç¥Õ¥© ¥ë ¥È)¡¢ËÞÎã¤Ë¤è¤Ã¤Æ³Æ¡¹¤ÎÀþ¼ï¤ò¡¢¤½¤ì¤¬É½¤¹ z ¤Î¥ì¥Ù¥ë¤È¤È¤â¤Ëɽ¼¨¤µ¤ì¤Þ ¤¹¡£

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½ñ¼°Ê¸»úÎó¤Î¥Ç¥Õ¥©¥ë¥È¤Ï %8.3g ¤Ç¡¢¾®¿ôÉôʬ¤Ï 3 ·åɽ¼¨¤µ¤ì¤Þ¤¹¡£¤â¤· key ¤¬¤½¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÃͤ«¤éÊѹ¹¤µ¤ì¤Æ¤¤¤ì¤Ð¡¢¤½¤ÎÇÛÃÖ¤ÏÉÔ½½Ê¬¤Ê¤â¤Î ¤Ë¤Ê¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¡£

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°Ê²¼»²¾È: ‘set contour‘¡£

3.25.10 clip

‘gnuplot‘ ¤Ï¥°¥é¥Õ¤Îü¤ÎÊÕ¤ê¤Î¥Ç¡¼¥¿ÅÀ¤äÀþ¤ò¥¯¥ê¥Ã¥Ô¥ó¥°¤¹¤ë¤³¤È¤¬¤Ç¤­ ¤Þ¤¹¡£

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‘gnuplot‘ ¤ÏÅÀ¤äÀþ¤ËÂФ¹¤ë¥¯¥ê¥Ã¥×·¿ (clip-type) ¤È¤·¤Æ¡¢‘points‘, ‘one‘, ‘two‘ ¤Î 3 ¼ïÎà¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤¹¡£¤¢¤ëÉÁ²è¤ËÂФ·¤Æ¡¢¤³¤ì¤é¤Î ¥¯¥ê¥Ã¥×·¿¤ÏǤ°Õ¤ÎÁȤ߹礻¤ÇÀßÄꤹ¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£‘pm3d‘ ¤Î¿§ÃÏ¿Þ¤ä ¥«¥é¡¼¶ÊÌ̤ÇÅɤê¤Ä¤Ö¤µ¤ì¤¿»Í³Ñ·Á¤Ï¤³¤Î¥³¥Þ¥ó¥É¤Ç¤ÏÀ©¸æ¤Ç¤­¤Þ¤»¤ó¤¬¡¢ ‘set pm3d clip1in‘ ¤ä ‘set pm3d clip4in‘ ¤Ë¤è¤Ã¤Æ²Äǽ¤Ç¤¢¤ë¤³¤È¤ËÃí°Õ ¤·¤Æ¤¯¤À¤µ¤¤¡£

¥¯¥ê¥Ã¥×·¿ ‘points‘ ¤òÀßÄꤹ¤ë¤È¡¢ÉÁ²èÎΰèÆâ¤Ë¤Ï¤¢¤ë¤±¤ì¤É¶­³¦Àþ¤ËÈó ¾ï¤Ë¶á¤¤¤è¤¦¤ÊÅÀ¤ò¥¯¥ê¥Ã¥×¤¹¤ë (¼ÂºÝ¤Ë¤ÏÉÁ²è¤·¤Ê¤¤¤À¤±¤Ç¤¹¤¬) ¤è¤¦¤Ë ‘gnuplot‘ ¤Ë»Ø¼¨¤·¤Þ¤¹¡£¤³¤ì¤ÏÅÀ¤È¤·¤ÆÂ礭¤Ê¥Þ¡¼¥¯¤ò»ÈÍѤ·¤¿¤È¤­¤Ë¡¢ ¤½¤Î¥Þ¡¼¥¯¤¬¶­³¦Àþ¤«¤é¤Ï¤ß½Ð¤µ¤Ê¤¤¤è¤¦¤Ë¤¹¤ë¸ú²Ì¤¬¤¢¤ê¤Þ¤¹¡£‘points‘ ¤ò¥¯¥ê¥Ã¥×¤·¤Ê¤¤¾ì¹ç¡¢¶­³¦Àþ¤ÎÊÕ¤ê¤ÎÅÀ¤¬±ø¤¯¸«¤¨¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¡£ ¤½¤Î¾ì¹ç¡¢x ¤ä y ¤ÎÉÁ²èÈÏ°Ï (xrange, yrange) ¤òÄ´À°¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡£

¥¯¥ê¥Ã¥×·¿ ‘one‘ ¤òÀßÄꤹ¤ë¤È¡¢°ìü¤Î¤ß¤¬ÉÁ²èÎΰè¤Ë¤¢¤ë¤è¤¦¤ÊÀþʬ¤â ÉÁ²è¤¹¤ë¤è¤¦¤Ë ‘gnuplot‘ ¤Ë»Ø¼¨¤·¤Þ¤¹¡£¤³¤ÎºÝ¡¢ÉÁ²èÎΰèÆâ¤Ë¤¢¤ëÉôʬ ¤Î¤ß¤¬¼ÂºÝ¤ËÉÁ²è¤µ¤ì¤ëÈϰϤǤ¹¡£ÀßÄꤷ¤Ê¤«¤Ã¤¿¾ì¹ç¡¢¤³¤Î¤è¤¦¤ÊÀþʬ¤Ï ÉÁ²èÂоݤȤʤ餺¡¢¤É¤ÎÉôʬ¤âÉÁ²è¤µ¤ì¤Þ¤»¤ó¡£

ξü¤Ï¶¦¤ËÉÁ²èÈϰϤË̵¤¤¤¬ÉÁ²èÎΰè¤òÄ̲᤹¤ë¤È¤¤¤¦Àþʬ¤â¤¢¤ê¤Þ¤¹¡£ ¥¯¥ê¥Ã¥×·¿ ‘two‘ ¤òÀßÄꤹ¤ë¤³¤È¤Ë¤è¤Ã¤Æ¡¢¤³¤Î¤è¤¦¤ÊÀþʬ¤ÎÉÁ²èÎΰè¤Î Éôʬ¤òÉÁ²è¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

¤É¤Î¤è¤¦¤Ê¾õ¶·¤Ç¤â¡¢ÉÁ²èÈϰϤγ°¤ËÀþ¤¬°ú¤«¤ì¤ë¤³¤È¤Ï¤¢¤ê¤Þ¤»¤ó¡£

¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢‘noclip points‘, ‘clip one‘, ‘noclip two‘ ¤È¤Ê¤Ã¤Æ ¤¤¤Þ¤¹¡£

Á´¤Æ¤Î¥¯¥ê¥Ã¥×·¿¤ÎÀßÄê¾õ¶·¤ò¸«¤ë¤Ë¤Ï°Ê²¼¤Î¤è¤¦¤Ë¤·¤Þ¤¹:

        show clip

²áµî¤Î¥Ð¡¼¥¸¥ç¥ó¤È¤Î¸ß´¹À­¤Î¤¿¤á°Ê²¼¤Î½ñ¼°¤â»ÈÍѲÄǽ¤Ç¤¹:

       set clip
       unset clip

clip ¤Ï ‘set clip points‘ ¤ÈƱµÁ¤Ç¤¹¡£clip ¤Ï 3 ¼ï¤Î ¥¯¥ê¥Ã¥×·¿Á´¤Æ¤ò̵¸ú¤Ë¤·¤Þ¤¹¡£

3.25.11 cntrparam

cntrparam ¤ÏÅù¹âÀþ¤ÎÀ¸À®ÊýË¡¡¢¤ª¤è¤Ó¤½¤ì¤ò³ê¤é¤«¤ËÉÁ²è¤¹¤ëÊýË¡¤ò À©¸æ¤·¤Þ¤¹¡£‘show contour‘ ¤Ï¸½ºß¤Î ‘contour‘ ¤ÎÀßÄê¤À¤±¤Ç¤Ê¤¯ cntrparam ¤ÎÀßÄê¤ò¤âɽ¼¨¤·¤Þ¤¹¡£

½ñ¼°:

      set cntrparam { { linear
                      | cubicspline
                      | bspline
                      | points <n>
                      | order <n>
                      | levels { auto {<n>} | <n>
                                 | discrete <z1> {,<z2>{,<z3>...}}
                                 | incremental <start>, <incr> {,<end>}
                               }
                      }
                    }
      show contour

¤³¤Î¥³¥Þ¥ó¥É¤Ï 2 ¤Ä¤Îµ¡Ç½¤ò»ý¤Ã¤Æ¤¤¤Þ¤¹¡£°ì¤Ä¤ÏÅù¹âÀþ¾å¤ÎÅÀ (¥Ç¡¼¥¿ÅÀ ¤ÎÀþ·ÁÊä´Ö¡¢¤¢¤ë¤¤¤Ï´Ø¿ô¤ÎɸËܲ½ (isosample) ¤Ë¤è¤ëÅÀ) ¤Ç¤Î z ¤ÎÃͤÎÀß Äê¤Ç¡¢¤â¤¦°ì¤Ä¤Ï¡¢¤½¤Î¤è¤¦¤Ë·èÄꤵ¤ì¤¿ z ¤¬Åù¤·¤¤ÅÀƱ»Î¤òÅù¹âÀþ¤Ç·ë¤Ö ÊýË¡¤ÎÀ©¸æ¤Ç¤¹¡£<n> ¤ÏÀ°¿ô·¿¤ÎÄê¿ô¼°¡¢<z1>, <z2> ... ¤ÏǤ°Õ¤ÎÄê¿ô¼°¤Ç ¤¹¡£³Æ¥ª¥×¥·¥ç¥óÊÑ¿ô¤Î°ÕÌ£¤Ï¼¡¤ÎÄ̤ê¤Ç¤¹:

‘linear‘, ‘cubicspline‘, ‘bspline‘ — ¶á»÷ (Êä´Ö) ÊýË¡¤ò»ØÄꤷ¤Þ¤¹¡£ ‘linear‘ ¤Ê¤é¤Ð¡¢Åù¹âÀþ¤Ï¶ÊÌ̤«¤éÆÀ¤é¤ì¤¿Ãͤò¶èʬŪ¤ËľÀþ¤Ç·ë¤Ó¤Þ¤¹¡£ ‘cubicspline‘ (3 ¼¡¥¹¥×¥é¥¤¥ó) ¤Ê¤é¤Ð¡¢¶èʬŪ¤ÊľÀþ¤Ï¤¤¤¯¤Ö¤ó¤Ê¤á¤é¤« ¤ÊÅù¹âÀþ¤¬ÆÀ¤é¤ì¤ë¤è¤¦¤ËÊä´Ö¤µ¤ì¤Þ¤¹¤¬¡¢Â¿¾¯ÇÈÂǤIJÄǽÀ­¤¬¤¢¤ê¤Þ¤¹¡£ ‘bspline‘ (B-spline) ¤Ï¡¢¤è¤ê³ê¤é¤«¤Ê¶ÊÀþ¤òÉÁ¤¯¤³¤È¤¬Êݾڤµ¤ì¤Þ¤¹¤¬¡¢ ¤³¤ì¤Ï z ¤ÎÅù¤·¤¤ÅÀ¤Î°ÌÃÖ¤ò¶á»÷¤·¤Æ¤¤¤ë¤À¤±¤Ç¤¹¡£

‘points‘ — ºÇ½ªÅª¤Ë¤Ï¡¢Á´¤Æ¤ÎÉÁ²è¤Ï¡¢¶èʬŪ¤ÊľÀþ¤Ç¹Ô¤ï¤ì¤Þ¤¹¡£¤³¤³ ¤Ç»ØÄꤹ¤ë¿ô¤Ï¡¢‘bspline‘ ¤Þ¤¿¤Ï ‘cubicspline‘ ¤Ç¤Î¶á»÷¤Ë»È¤ï¤ì¤ëÀþʬ ¤Î¿ô¤òÀ©¸æ¤·¤Þ¤¹¡£¼ÂºÝ¤Ë¤Ï cubicspline ¤È bspline ¤Î¶è´Ö (¶ÊÀþÀþʬ) ¤Î ¿ô¤Ï ‘points‘ ¤ÈÀþʬ¤Î¿ô¤ÎÀѤËÅù¤·¤¯¤Ê¤ê¤Þ¤¹¡£

‘order‘ — bspline ¶á»÷¤Î¼¡¿ô¤Ç¤¹¡£¤³¤Î¼¡¿ô¤¬Â礭¤¯¤Ê¤ë¤Ë¤Ä¤ì¤Æ¡¢Åù¹â Àþ¤Ï¤Ê¤á¤é¤«¤Ë¤Ê¤ê¤Þ¤¹ (¤â¤Á¤í¤ó¡¢¹â¼¡¤Î bspline ¶ÊÀþ¤Ë¤Ê¤ë¤Û¤É¡¢¸µ¤Î ¶èʬŪľÀþ¤«¤é¤ÏÎ¥¤ì¤Æ¤¤¤­¤Þ¤¹)¡£¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï ‘bspline‘ ¥â¡¼¥É¤Ç¤Î ¤ßÍ­¸ú¤Ç¤¹¡£»ØÄê¤Ç¤­¤ëÃͤϡ¢2 (ľÀþ) ¤«¤é 10 ¤Þ¤Ç¤ÎÀ°¿ô¤Ç¤¹¡£

‘levels‘ — Åù¹âÀþ¤Î¥ì¥Ù¥ë¤Î¿ô¤Ï¡¢‘auto‘ (¥Ç¥Õ¥©¥ë¥È), ‘discrete‘, ‘incremental‘ ¤ÈÅù¹âÀþ¤Î¥ì¥Ù¥ë¿ô <n> ¤ÇÀ©¸æ¤·¤Þ¤¹¡£

‘auto‘ ¤Ç¤Ï¡¢<n> ¤Ï²¾¤Î¥ì¥Ù¥ë¤Î¿ô¤Ç¤¢¤ê¡¢¼ÂºÝ¤Î¥ì¥Ù¥ë¤Î¿ô¤Ï¡¢´Êñ¤Ê¥é ¥Ù¥ë¤òÀ¸À®¤¹¤ë¤è¤¦¤ËÄ´Àᤵ¤ì¤Þ¤¹¡£¶ÊÌ̤Πz ºÂɸ¤¬ zmin ¤«¤é zman ¤ÎÈÏ °Ï¤Ë¤¢¤ë¤È¤­¡¢Åù¹âÀþ¤Ï¤½¤Î´Ö¤Î dz ¤ÎÀ°¿ôÇܤˤʤë¤è¤¦¤ËÀ¸À®¤µ¤ì¤Þ¤¹¡£¤³ ¤³¤Ç¡¢dz ¤Ï 10 ¤Î¤¢¤ë¤Ù¤­¾è¤Î 1, 2, 5 ÇÜ¡¢¤Î¤¤¤º¤ì¤«¤Ç¤¹ (2 ¤Ä¤ÎÌÜÀ¹¤ê ¤Î´Ö¤òÃúÅÙ³ä¤êÀÚ¤ë¤è¤¦¤Ë)¡£

‘levels discrete‘ ¤Ç¤Ï¡¢Åù¹âÀþ¤Ï»ØÄꤵ¤ì¤¿ z = <z1>, <z2> ... ¤ËÂФ·¤Æ À¸À®¤µ¤ì¤Þ¤¹¡£»ØÄꤷ¤¿¸Ä¿ô¤¬Åù¹âÀþ¤Î¥ì¥Ù¥ë¤Î¸Ä¿ô¤È¤Ê¤ê¤Þ¤¹¡£‘discrete‘ ¥â¡¼¥É¤Ç¤Ï¡¢‘set cntrparams levels <n>‘ ¤È¤¤¤¦»ØÄê¤Ï¾ï¤Ë̵»ë¤µ¤ì¤Þ¤¹¡£

‘incremental‘ ¤Ç¤Ï¡¢Åù¹âÀþ¤Ï z = <start> ¤«¤é»Ï¤Þ¤ê¡¢<increment> ¤º¤Ä Áý¤¨¤Æ¹Ô¤­¸Â³¦¤Î¸Ä¿ô¤Ë㤹¤ë¤Þ¤Ç½ñ¤«¤ì¤Þ¤¹¡£<end> ¤Ï¤½¤ÎÅù¹âÀþ¤Î¿ô¤ò·è Äꤹ¤ë¤Î¤Ë»È¤ï¤ì¤Þ¤¹¤¬¡¢¤³¤ì¤Ï¸å¤Î ‘set cntrparam levels <n>‘ ¤Ë¤è¤Ã¤Æ ¾ï¤ËÊѹ¹¤µ¤ì¤Þ¤¹¡£z ¼´¤¬Âпô¼´¤Î¾ì¹ç¡¢ztics ¤Î¾ì¹ç¤ÈƱÍͤˡ¢ <increment> ¤ÏÇÜ¿ô¤È¤·¤Æ²ò¼á¤µ¤ì¤Þ¤¹¡£

¥³¥Þ¥ó¥É cntrparam ¤¬°ú¿ô¤Ê¤·¤Ë¸Æ¤Ð¤ì¤¿¾ì¹ç¤Ï¡¢¼¡¤Î¥Ç¥Õ¥©¥ë¥È¤Î Ãͤ¬»È¤ï¤ì¤Þ¤¹: linear, 5 points, order 4, 5 auto levels

Îã:

      set cntrparam bspline
      set cntrparam points 7
      set cntrparam order 10

°Ê²¼¤Ï¥ì¥Ù¥ë¤Î´ð½à¤¬¹ç¤¨¤Ð 5 ¸Ä¤Î¥ì¥Ù¥ë¤¬¤Ë¼«Æ°Åª¤ËÁªÂò¤µ¤ì¤Þ¤¹:

      set cntrparam levels auto 5

°Ê²¼¤Ï .1, .37, .9 ¤Ë¥ì¥Ù¥ë¤òÀßÄꤷ¤Þ¤¹:

      set cntrparam levels discrete .1,1/exp(1),.9

°Ê²¼¤Ï 0 ¤«¤é 4 ¤Þ¤Ç¡¢1 ¤º¤ÄÁý¤ä¤¹¥ì¥Ù¥ë¤òÀßÄꤷ¤Þ¤¹:

      set cntrparam levels incremental  0,1,4

°Ê²¼¤Ï¥ì¥Ù¥ë¤Î¿ô¤ò 10 ¤ËÀßÄꤷ¤Þ¤¹ (Áý²Ã¤ÎºÇ¸å¤ÎÃÍ (end) ¤Þ¤¿¤Ï¼«Æ°¤Ç ÀßÄꤵ¤ì¤ë¥ì¥Ù¥ë¤Î¿ô¤ÏÊѹ¹¤µ¤ì¤Þ¤¹):

      set cntrparam levels 10

°Ê²¼¤Ï¥ì¥Ù¥ë¤Î¿ô¤ÏÊÝ»ý¤·¤¿¤Þ¤Þ¥ì¥Ù¥ë¤Î³«»ÏÃͤÈÁýʬÃͤòÀßÄꤷ¤Þ¤¹:

      set cntrparam levels incremental 100,50

Åù¹âÀþ¤òÉÁ¤¯¾ì½ê¤ÎÀ©¸æ¤Ë´Ø¤·¤Æ¤Ï¡¢°Ê²¼»²¾È: ‘set contour‘¡£Åù¹âÀþ¤Î¥é ¥Ù¥ë¤Î½ñ¼°¤ÈÀþ¼ï¤ÎÀ©¸æ¤Ë´Ø¤·¤Æ¤Ï¡¢°Ê²¼»²¾È: clabel¡£

°Ê²¼¤â»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£ Åù¹âÀþ¤Î¥Ç¥â (contours.dem) ¤ª¤è¤Ó ¥æ¡¼¥¶ÄêµÁ¥ì¥Ù¥ë¤ÎÅù¹âÀþ¤Î¥Ç¥â (discrete.dem).

3.25.12 ¥«¥é¡¼¥Ü¥Ã¥¯¥¹ (colorbox)

¿§¤Î°ìÍ÷ɽ¡¢¤¹¤Ê¤ï¤Á ‘pm3d‘ ¤Î palette ¤Î min_z ¤«¤é max_z ¤Þ¤Ç¤Î³ê ¤é¤«¤Ê¿§¤Î¸ûÇۤϡ¢‘unset colorbox‘ ¤¬»È¤ï¤ì¤Æ¤¤¤Ê¤¤¸Â¤ê¥«¥é¡¼¥Ü¥Ã¥¯¥¹ (colorbox) ¤ËÉÁ¤«¤ì¤Þ¤¹¡£

      set colorbox
      set colorbox {
                 { vertical | horizontal }
                 { default | user }
                 { origin x, y }
                 { size x, y }
                 { front | back }
                 { noborder | bdefault | border [line style] }
               }
      show colorbox
      unset colorbox

¥«¥é¡¼¥Ü¥Ã¥¯¥¹¤Î°ÌÃ֤ϡ¢‘default‘ ¤Þ¤¿¤Ï ‘user‘ ¤Ç»ØÄê¤Ç¤­¡¢¸å¼Ô¤Î¾ì¹ç ¤½¤Î°ÌÃÖ¤äÂ礭¤µ¤ò origin ¤ä size ¥³¥Þ¥ó¥É¤ÇÀßÄꤷ¤Þ¤¹¡£¥«¥é¡¼¥Ü¥Ã ¥¯¥¹¤Ï¡¢¥°¥é¥Õ¤ä¶ÊÌ̤θå (‘front‘) ¤¢¤ë¤¤¤ÏÀè (‘back‘) ¤ËÉÁ²è¤µ¤»¤ë¤³ ¤È¤â¤Ç¤­¤Þ¤¹¡£

¿§¸ûÇÛ¤ÎÊý¸þ¤Ï¡¢¥ª¥×¥·¥ç¥ó ‘vertical‘ ¤È ‘horizontal‘ ¤ÇÀÚÂؤ¨¤ë¤³¤È¤¬ ²Äǽ¤Ç¤¹¡£

‘origin x, y‘ ¤È ‘size x, y‘ ¤Ï ‘user‘ ¥ª¥×¥·¥ç¥ó¤È¤ÎÁȤǤΤ߻ÈÍѤµ¤ì ¤Þ¤¹¡£x, y ¤ÎÃͤϡ¢¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¥¹¥¯¥ê¡¼¥óºÂɸ¤È²ò¼á¤µ¤ì¤Þ¤¹¤¬¡¢¤³¤ì ¤Ï 3 ¼¡¸µÉÁ²èÍѤΤ«¤·¤³¤Þ¤Ã¤¿¥ª¥×¥·¥ç¥ó¤Ë²á¤®¤Þ¤»¤ó¡£‘set view map‘ ¤Ë ¤è¤ë splot ¤ò´Þ¤à 2 ¼¡¸µÉÁ²è¤Ç¤Ï¡¢Ç¤°Õ¤ÎºÂɸ·Ï¤Ç¤Î»ØÄ꤬²Äǽ¤Ç¤¹¡£Î㤨 ¤Ð°Ê²¼¤ò»î¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤:

    set colorbox horiz user origin .1,.02 size .8,.04

¤³¤ì¤Ï¿åÊ¿Êý¸þ¤Î¿§¸ûÇÛ¤ò¥°¥é¥Õ¤Î²¼¤ÎÊÕ¤ê¤ËÉÁ²è¤·¤Þ¤¹¡£

border ¤Ï¶­³¦ÉÁ²è¤ò ON ¤Ë¤·¤Þ¤¹ (¥Ç¥Õ¥©¥ë¥È) ¤·¡¢‘noborder‘ ¤Ï¶­³¦ÉÁ ²è¤ò OFF ¤Ë¤·¤Þ¤¹¡£border ¤Î¸å¤í¤ËÀµ¤ÎÀ°¿ô¤òÍ¿¤¨¤ë¤È¡¢¤½¤ì¤ò¶­³¦¤òÉÁ ²è¤¹¤ë»þ¤Î line style ¤Î¥¿¥°¤È¤·¤Æ»È¤¤¤Þ¤¹¡£Î㤨¤Ð:

    set style line 2604 linetype -1 linewidth .4
    set colorbox border 2604

¤Ï line style ‘2604‘¡¢¤¹¤Ê¤ï¤ÁºÙ¤¤Àþ¤Î¥Ç¥Õ¥©¥ë¥È¤Î¶­³¦¿§ (-1) ¤Ç¶­³¦¤ò ÉÁ²è¤·¤Þ¤¹¡£‘bdefault‘ (¥Ç¥Õ¥©¥ë¥È) ¤Ï¡¢¥«¥é¡¼¥Ü¥Ã¥¯¥¹¤Î¶­³¦¤ÎÉÁ²è¤Ë¥Ç ¥Õ¥©¥ë¥È¤Î¶­³¦¤Î line style ¤ò»È¤¤¤Þ¤¹¡£

¥«¥é¡¼¥Ü¥Ã¥¯¥¹¤Î¼´¤Ï ‘cb‘ ¤È¸Æ¤Ð¤ì¡¢Ä̾ï¤Î¼´¤Î¥³¥Þ¥ó¥É¤ÇÀ©¸æ¤µ¤ì¤Þ¤¹¡£ ¤¹¤Ê¤ï¤Á ‘set/unset/show‘ ¤Ç cbrange, ‘[m]cbtics‘, ‘format cb‘, ‘grid [m]cb‘, cblabel ¤Ê¤É¤¬¡¢¤½¤·¤Æ¿ʬ cbdata, ‘[no]cbdtics‘, ‘[no]cbmtics‘ ¤Ê¤É¤â»È¤¨¤ë¤Ç¤·¤ç¤¦¡£

¥Ñ¥é¥á¡¼¥¿Ìµ¤·¤Î ‘set colorbox‘ ¤Ï¥Ç¥Õ¥©¥ë¥È¤Î°ÌÃÖ¤ØÀÚÂؤ¨¤Þ¤¹¡£ ‘unset colorbox‘ ¤Ï¥«¥é¡¼¥Ü¥Ã¥¯¥¹¤Î¥Ñ¥é¥á¡¼¥¿¤ò¥Ç¥Õ¥©¥ë¥ÈÃͤ˥ꥻ¥Ã¥È ¤·¡¢¤½¤Î¾å¤Ç¥«¥é¡¼¥Ü¥Ã¥¯¥¹¤ò OFF ¤Ë¤·¤Þ¤¹¡£

°Ê²¼¤â»²¾È: ‘set pm3d‘, palette, ‘x11 pm3d‘, ‘set style line‘¡£

3.25.13 ¿§Ì¾ (colornames)

gnuplot ¤Ï¸ÂÄꤵ¤ì¤¿¸Ä¿ô¤Î¿§¤Î̾Á°¤ò»ý¤Ã¤Æ¤¤¤Þ¤¹¡£¤³¤ì¤é¤Ï¡¢pm3d ¥Ñ¥ì ¥Ã¥È¤Ç¤Ä¤Ê¤¬¤ì¤ë¿§¤ÎÈϰϤòÄêµÁ¤¹¤ë¤Î¤Ë¡¢¤¢¤ë¤¤¤Ï¸Ä¡¹¤ÎÀþ¼ï¤ä¥é¥¤¥ó¥¹¥¿ ¥¤¥ë¤Î¿§¤ò½ÐÎÏ·Á¼°¤Ë°Í¸¤·¤Ê¤¤·Á¤ÇÄêµÁ¤·¤¿¤ê¤¹¤ë¤Î¤Ë»È¤¨¤Þ¤¹¡£gnuplot ¤Î»ý¤Ä¿§Ì¾¤Î°ìÍ÷¤ò¸«¤ë¤Ë¤Ï¡¢¥³¥Þ¥ó¥É ‘show colornames‘ ¤ò»ÈÍѤ·¤Æ¤¯¤À ¤µ¤¤¡£Îã:

      set style line 1 linecolor rgb "sea-green"

3.25.14 Åù¹âÀþ (contour)

¥³¥Þ¥ó¥É ‘set contour‘ ¤Ï¶ÊÌ̤ÎÅù¹âÀþ¤ò°ú¤¯¤³¤È¤ò»Ø¼¨¤·¤Þ¤¹¡£¤³¤Î¥ª¥× ¥·¥ç¥ó¤Ï ‘splot‘ ¤Ç¤Î¤ßÍ­¸ú¤Ç¤¹¡£¤³¤ì¤Ï¡¢³Ê»Ò¾õ¥Ç¡¼¥¿ (grid data) ¤òɬ ÍפȤ·¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: ‘grid_data‘¡£Èó³Ê»Ò¾õ¥Ç¡¼¥¿¤ÇÅù¹âÀþ¤òÉÁ ¤­¤¿¤¤¾ì¹ç¤Ï¡¢³Ê»Ò¤òÀ¸À®¤¹¤ë¤¿¤á¤Ë dgrid3d ¤ò»ÈÍѤ·¤Þ¤¹¡£

½ñ¼°:

      set contour {base | surface | both}
      unset contour
      show contour

¤³¤ì¤é¤Î 3 ¤Ä¤Î¥ª¥×¥·¥ç¥ó¤ÏÅù¹âÀþ¤ò¤É¤³¤Ë°ú¤¯¤«¤ò»ØÄꤷ¤Þ¤¹¡£‘base‘ ¤Ç ¤ÏÅù¹âÀþ¤ò x/y ¼´¤Î¹ï¤ß¤Î¤¢¤ëÄìÌ̤ËÉÁ¤«¤ì¡¢surface ¤Ç¤ÏÅù¹âÀþ¤Ï¤½¤Î ¶ÊÌ̼«ÂΤξå¤ËÉÁ¤«¤ì¡¢‘both‘ ¤Ç¤ÏÄìÌ̤ȶÊÌ̾å¤ÎξÊý¤ËÉÁ¤«¤ì¤Þ¤¹¡£¥ª¥× ¥·¥ç¥ó¤¬»ØÄꤵ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¤Ï ‘base‘ ¤Ç¤¢¤ë¤È²¾Äꤵ¤ì¤Þ¤¹¡£

Åù¹âÀþ¤ÎÉÁ²è¤Ë±Æ¶Á¤òÍ¿¤¨¤ë¥Ñ¥é¥á¡¼¥¿¤Ë¤Ä¤¤¤Æ¤Ï¡¢°Ê²¼»²¾È: cntrparam¡£Åù¹âÀþ¤Î¥é¥Ù¥ë¤ÎÀ©¸æ¤Ë´Ø¤·¤Æ¤Ï¡¢°Ê²¼»²¾È: clabel¡£

Åù¹âÀþ¤Î¤ß¤Î¥°¥é¥Õ¤òÆÀ¤ë¤¿¤á¤Ë¡¢¶ÊÌ̼«¿È¤ÎÉÁ²è¤ò¤·¤Ê¤¤¤è¤¦¤Ë¤¹¤ë¤³¤È¤â ¤Ç¤­¤Þ¤¹ (°Ê²¼»²¾È: surface)¡£size ¤ò»È¤Ã¤Æ¡¢¥°¥é¥Õ¤ò²èÌÌ °ìÇÕ¤ËÉÁ²è¤¹¤ë¤³¤È¤â²Äǽ¤Ç¤¹¤¬¡¢¤½¤¦¤¤¤Ã¤¿½ÐÎÏ·Á¼°¤è¤ê¤â¡¢Åù¹âÀþ¤Î¥Ç¡¼ ¥¿¤ò¥Õ¥¡¥¤¥ë¤Ë½ñ¤­½Ð¤·¡¢¤½¤ì¤òºÆ¤Ó 2 ¼¡¸µ¥Ç¡¼¥¿¤È¤·¤ÆÆɤ߹þ¤ó¤ÇÉÁ²è¤¹ ¤ì¤Ð¤è¤ê¤è¤¤À©¸æ¤¬²Äǽ¤Ë¤Ê¤ê¤Þ¤¹:

      unset surface
      set contour
      set cntrparam ...
      set table 'filename'
      splot ...
      unset table
      # contour info now in filename
      set term <whatever>
      plot 'filename'

Åù¹âÀþ¤òÉÁ¤¯¤¿¤á¤Ë¤Ï¡¢¥Ç¡¼¥¿¤Ï³Ê»Ò¾õ¥Ç¡¼¥¿ ("grid data") ¤Ç¤¢¤ëɬÍפ¬ ¤¢¤ê¤Þ¤¹¡£¤½¤Î¤è¤¦¤Ê¥Õ¥¡¥¤¥ë¤Ç¤Ï¡¢°ì¤Ä¤Î y-¸ÉΩÀþ¾å¤ÎÁ´¤Æ¤ÎÅÀ¤¬½ç¤Ë ʤ٤é¤ì¤Æ¤¤¤­¤Þ¤¹¡£¤½¤·¤ÆÎ٤Πy-¸ÉΩÀþ¾å¤ÎÅÀ¤¬½ç¤Ëʤ٤é¤ì¡¢¤½¤·¤ÆÎÙ¡¢ ¤È³¤¤¤Æ¤¤¤­¤Þ¤¹¡£y-¸ÉΩÀþƱ»Î¤òʬΥ¤¹¤ë¤Ë¤Ï°ì¹Ô¤Î¶õ¹Ô (¶õÇò¡¢Éüµ¢¡¢²þ ¹Ô°Ê³°¤Îʸ»ú¤ò´Þ¤Þ¤Ê¤¤¹Ô) ¤ò¶´¤ß¤Þ¤¹¡£°Ê²¼»²¾È: datafile¡£

°Ê²¼¤â»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£ Åù¹âÀþ¤Î¥Ç¥â (contours.dem) ¤ª¤è¤Ó ¥æ¡¼¥¶ÄêµÁ¥ì¥Ù¥ë¤ÎÅù¹âÀþ¤Î¥Ç¥â (discrete.dem).

3.25.15 data style

¤³¤Î¥³¥Þ¥ó¥É¤Î·Á¼°¤Ï¸½ºß¤Ï¿ä¾©¤µ¤ì¤Æ¤¤¤Þ¤»¤ó¡£°Ê²¼»²¾È: ‘set style data‘¡£

3.25.16 datafile

¥³¥Þ¥ó¥É datafile ¤Ï¡¢plot, ‘splot‘, ‘fit‘ ¥³¥Þ¥ó¥É¤ÇÆþÎϥǡ¼ ¥¿¤òÆɤà¾ì¹ç¤Ë¡¢¤½¤ÎÎó (field) ¤Î²ò¼á¤Î»ÅÊý¤òÀ©¸æ¤¹¤ë¥ª¥×¥·¥ç¥ó¤ò»ý¤Á ¤Þ¤¹¡£¸½ºß¤Ï¡¢6 ¤Ä¤Î¤½¤Î¤è¤¦¤Ê¥ª¥×¥·¥ç¥ó¤¬¼ÂÁõ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£

3.25.16.1 set datafile fortran

¥³¥Þ¥ó¥É ‘set datafile fortran‘ ¤Ï¡¢ÆþÎÏ¥Õ¥¡¥¤¥ë¤Î Fortran D ·¿¡¢Q ·¿ ¤ÎÄê¿ôÃͤÎÆÃÊ̤ʥÁ¥§¥Ã¥¯¤ò²Äǽ¤Ë¤·¤Þ¤¹¡£¤³¤ÎÆÃÊ̤ʥÁ¥§¥Ã¥¯¤ÏÆþÎϽèÍý¤ò ÃÙ¤¯¤·¤Þ¤¹¤Î¤Ç¡¢¼ÂºÝ¤Ë¤½¤Î¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤¬ Fortran D ·¿¡¢Q ·¿¤ÎÄê¿ô¤ò »ý¤Ã¤Æ¤¤¤ë¾ì¹ç¤Ë¤Î¤ß¤³¤ì¤òÁªÂò¤¹¤Ù¤­¤Ç¤¹¡£¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï¡¢¤½¤Î¸å¤Ç ‘unset datafile fortran‘ ¤ò¹Ô¤¨¤Ð̵¸ú¤Ë¤Ç¤­¤Þ¤¹¡£

3.25.16.2 set datafile nofpe_trap

¥³¥Þ¥ó¥É ‘set datafile nofpe_trap‘ ¤Ï¡¢ÆþÎÏ¥Õ¥¡¥¤¥ë¤«¤é¥Ç¡¼¥¿¤ÎÆɤ߹þ ¤ß¤ÎºÝ¤Ë¡¢¤¹¤Ù¤Æ¤Î¿ô¼°¤Îɾ²Á¤ÎÁ°¤ËÉâÆ°¾®¿ôÅÀÎã³°¥Ï¥ó¥É¥é¤ÎºÆ½é´ü²½¤ò¤· ¤Ê¤¤¤è¤¦¤Ë gnuplot ¤ËÌ¿Îᤷ¤Þ¤¹¡£¤³¤ì¤Ë¤è¤ê¡¢¤È¤Æ¤âÂ礭¤Ê¥Õ¥¡¥¤¥ë¤«¤é ¤Î¥Ç¡¼¥¿¤ÎÆþÎϤ¬¤«¤Ê¤ê®¤¯¤Ê¤ê¤Þ¤¹¤¬¡¢ÉâÆ°¾®¿ôÅÀÎã³°¤¬µ¯¤­¤¿¾ì¹ç¤Ë¥×¥í ¥°¥é¥à¤¬°Û¾ï½ªÎ»¤·¤Æ¤·¤Þ¤¦´í¸±¤Ï¤¢¤ê¤Þ¤¹¡£

3.25.16.3 set datafile missing

¥³¥Þ¥ó¥É ‘set datafile missing‘ ¤Ï ‘gnuplot‘ ¤Ë¡¢¤É¤Î¤è¤¦¤Êʸ»úÎó¤¬¥Ç ¡¼¥¿¥Õ¥¡¥¤¥ëÃæ¤Î·ç¤±¤¿¥Ç¡¼¥¿ (missing data) ¤ò°ÕÌ£¤¹¤ë¤Î¤«¤ò»Ø¼¨¤·¤Þ¤¹¡£ ¼ÂºÝ¤Ë¤½¤Îʸ»úÎ󤬤ɤΤ褦¤Ë¼è¤ê°·¤ï¤ì¤ë¤«¤Ï¡¢plot ¤ä ‘splot‘ ¥³¥Þ¥ó ¥É¤Î using »ØÄê»Ò¤Ë¤â°Í¸¤·¤Þ¤¹¡£

½ñ¼°:

      set datafile missing {"<string>"}
      show datafile missing
      unset datafile

Îã:

      # IEEE NaN ("Not a Number") ¥³¡¼¥É¤ò´Þ¤à¥¨¥ó¥È¥ê¤ò̵»ë¤¹¤ë
      set datafile missing "NaN"

Îã:

      set style data linespoints
      plot '-'
         1 10
         2 20
         3 ?
         4 40
         5 50
         e
      set datafile missing "?"
      plot '-'
         1 10
         2 20
         3 ?
         4 40
         5 50
         e
      plot '-' using 1:2
         1 10
         2 20
         3 ?
         4 40
         5 50
         e
      plot '-' using 1:($2)
         1 10
         2 20
         3 ?
         4 40
         5 50
         e

ºÇ½é¤Î plot ¤Ï¡¢"3 ?" ¤Î¹Ô¤Ç¤ÏºÇ½é¤Î¥Ç¡¼¥¿¤Î¤ß¤òǧ¼±¤·¡¢¤½¤³¤Ç¤Ï 1 ¹Ô¤Ë 1 ¤Ä¤·¤«¥Ç¡¼¥¿¤¬¤Ê¤«¤Ã¤¿¾ì¹ç¤Îµ¬Â§¤¬Å¬ÍѤµ¤ì¡¢¹ÔÈֹ椬 "x" ¤Ç¥Ç¡¼ ¥¿¤¬ "y" ¤È¸«¤Ê¤µ¤ì¡¢¤½¤ÎÅÀ¤Ï (2,3) ¤Ë (¤³¤Î¾ì¹ç¤Ï¸í¤Ã¤Æ) ÉÁ²è¤µ¤ì¤Þ¤¹¡£

2 ÈÖÌÜ¤È 3 ÈÖÌܤΠplot ¥³¥Þ¥ó¥É¤Ï¡¢¿¿Ãæ¤Î¹Ô¤òÀµ¤·¤¯Ìµ»ë¤·¤Þ¤¹¡£ÉÁ²è ¤µ¤ì¤ë¶ÊÀþ¤Ï¡¢(2,20) ¤È (4,40) ¤¬·ë¤Ð¤ì¤Þ¤¹¡£

4 ÈÖÌܤΠplot ¤â¿¿Ãæ¤Î¹Ô¤òÀµ¤·¤¯Ìµ»ë¤·¤Þ¤¹¤¬¡¢¤³¤Î¾ì¹ç¤Ï (2,20) ¤È (4,40) ¤Ï·ë¤Ð¤ì¤Þ¤»¤ó¡£

¥Ç¥Õ¥©¥ë¥È¤Î ‘missing‘ ÍѤÎʸ»ú¤Ï²¿¤âÄêµÁ¤µ¤ì¤Æ¤¤¤Þ¤»¤ó¤¬¡¢Â¿¤¯¤Î¾ì¹ç ¿ôÃͤ¬´üÂÔ¤µ¤ì¤ë¤Ù¤­½ê¤Ë¤½¤ì¤Èǧ¼±¤Ç¤­¤Ê¤¤Ê¸»ú¤¬¸«¤Ä¤«¤Ã¤¿¤é¤½¤ì¤Ï·ç¤± ¤¿¥Ç¡¼¥¿ (missing data) ¤Ç¤¢¤ë¤È¸«¤Ê¤µ¤ì¤Þ¤¹¡£

3.25.16.4 set datafile separator

¥³¥Þ¥ó¥É ‘set datafile separator "<char>"‘ ¤Ï¡¢‘gnuplot‘ ¤Ë¡¢¤³¤Î¸å¤Î ÆþÎÏ¥Õ¥¡¥¤¥ë¤Î¥Ç¡¼¥¿Îó¤ÎʬΥʸ»ú¤¬¡¢¶õÇò (whitespace) ¤Ç¤Ê¤¯¤Æ <char> ¤Ç¤¢¤ë¤È»Ø¼¨¤·¤Þ¤¹¡£¤³¤Î¥³¥Þ¥ó¥É¤ÎºÇ¤â°ìÈÌŪ¤Ê»ÈÍÑÎã¤Ï¡¢É½·×»»¥½¥Õ¥È¤ä ¥Ç¡¼¥¿¥Ù¡¼¥¹¥½¥Õ¥È¤Ë¤è¤Ã¤Æºî¤é¤ì¤¿ csv (¥³¥ó¥Þ¶èÀÚ¤ê) ¥Õ¥¡¥¤¥ë¤òÆɤà»þ ¤Ç¤·¤ç¤¦¡£¥Ç¥Õ¥©¥ë¥È¤Î¥Ç¡¼¥¿Îó¤ÎʬΥʸ»ú¤Ï¶õÇò (whitespace) ¤Ç¤¹¡£

½ñ¼°:

      set datafile separator {"<char>" | whitespace}

Îã:

      # ¥¿¥Ö¶èÀÚ¤ê¤Î¥Õ¥¡¥¤¥ë¤òÆþÎÏ
      set datafile separator "\t"

      # ¥³¥ó¥Þ¶èÀÚ¤ê¤Î¥Õ¥¡¥¤¥ë¤òÆþÎÏ
      set datafile separator ","

3.25.16.5 set datafile commentschars

¥³¥Þ¥ó¥É ‘set datafile commentschars‘ ¤Ï ‘gnuplot‘ ¤Ë¡¢¤É¤Îʸ»ú¤¬¥Ç¡¼ ¥¿¥Õ¥¡¥¤¥ëÃæ¤Î¥³¥á¥ó¥È¤ò°ÕÌ£¤¹¤ë¤Î¤«¤ò»Ø¼¨¤·¤Þ¤¹¡£gnuplot ¤Ï¡¢»ØÄꤵ¤ì ¤¿Ê¸»ú¤ÎÃæ¤Î°ì¤Ä¤¬¥Ç¡¼¥¿¹Ô¤ÎºÇ½é¤ÎÈó¶õÇòʸ»ú¤È¤·¤Æ¸½¤ï¤ì¤¿¾ì¹ç¡¢¤½¤Îʸ »ú°Ê²¼¤ò̵»ë¤·¤Þ¤¹¡£

½ñ¼°:

      set datafile commentschars {"<string>"}
      show datafile commentschars
      unset commentschars

¥Ç¥Õ¥©¥ë¥È¤Î string ¤Ï¡¢VMS ¤Ç¤Ï "#!" ¤Ç¡¢¤½¤ì°Ê³°¤Ç¤Ï "#" ¤Ç¤¹¡£

¤è¤Ã¤Æ¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î°Ê²¼¤Î¹Ô¤Ï´°Á´¤Ë̵»ë¤µ¤ì¤Þ¤¹

    # 1 2 3 4

¤¬¡¢°Ê²¼¤Î¹Ô

    1 # 3 4

¤Ï¡¢¤â¤·

    set datafile missing '#'

¤¬»ØÄꤵ¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð¡¢Í½´ü¤»¤Ì·ë²Ì¤òÀ¸¤¸¤Þ¤¹¡£

Îã:

      set datafile commentschars "#!%"

3.25.16.6 set datafile binary

¥³¥Þ¥ó¥É binary ¤Ï¡¢¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤ÎÆɤ߹þ¤ß»þ¤Ë¥Ð¥¤¥Ê ¥ê¥Õ¥¡¥¤¥ë¤ò¥Ç¥Õ¥©¥ë¥È¤ÈÀßÄꤹ¤ë¤Î¤Ë»È¤ï¤ì¤Þ¤¹¡£½ñ¼°¤Ï¡¢¤½¤ì¤¬ plot ¤Þ¤¿¤Ï ‘splot‘ ¥³¥Þ¥ó¥É¤Ç»È¤ï¤ì¤ë¤Î¤ÈÀµ³Î¤ËƱ¤¸¤Ç¤¹¡£<binary list> ¤Ë ½ñ¤±¤ë¥­¡¼¥ï¡¼¥É¤Ë´Ø¤·¤Æ¤Ï¡¢¾Ü¤·¤¯¤Ï¡¢°Ê²¼»²¾È: matrix, general¡£

½ñ¼°:

      set datafile binary <binary list>
      show datafile binary
      show datafile
      unset datafile

Îã:

      set datafile binary filetype=auto
      set datafile binary array=(512,512) format="%uchar"

      show datafile binary   # ¸½ºß¤ÎÀßÄê¤Î°ìÍ÷ɽ¼¨

3.25.17 decimalsign

¥³¥Þ¥ó¥É decimalsign ¤Ï¡¢ÌÜÀ¹¤ê¤Î¸«½Ð¤·¡¢¤¢¤ë¤¤¤Ï ‘set label‘ ʸ »úÎó¤Ë½ñ¤«¤ì¤ë¿ô¤Î¾®¿ôÅÀµ­¹æ¤òÁªÂò¤·¤Þ¤¹¡£

½ñ¼°:

      set decimalsign {<value> | locale {"<locale>"}}
      unset decimalsign
      show decimalsign

°ú¿ô <value> ¤Ï¡¢Ä̾ï¤Î¾®¿ôÅÀµ­¹æ¤ËÃÖ¤­´¹¤¨¤Æ»È¤¦Ê¸»úÎó¤Ç¤¹¡£Åµ·¿Åª¤Ê ¤â¤Î¤Ï¥Ô¥ê¥ª¥É ’.’ ¤ä¥³¥ó¥Þ ’,’ ¤Ç¤¹¤¬Â¾¤Ë¤âÍ­ÍѤʤâ¤Î¤¬¤¢¤ë¤Ç¤·¤ç¤¦¡£ °ú¿ô <value> ¤ò¾Êά¤¹¤ë¤È¡¢¾®¿ôÅÀ¤Î¶èÀÚ¤ê¤Ï¥Ç¥Õ¥©¥ë¥È (¥Ô¥ê¥ª¥É) ¤«¤é Êѹ¹¤µ¤ì¤Þ¤»¤ó¡£unset decimalsign ¤â <value> ¤ò¾Êά¤¹¤ë¤Î¤ÈƱ¤¸¸ú²Ì¤ò »ý¤Á¤Þ¤¹¡£

Îã:

¿¤¯¤Î¥è¡¼¥í¥Ã¥Ñ½ô¹ñ¤Ç¤ÎÀµ¤·¤¤½ÐÎÏ·Á¼°¤òÆÀ¤ë¤Ë¤Ï:

      set decimalsign ','

¼¡¤Î¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤: ÌÀ¼¨Åª¤Êʸ»úÎó¤òÀßÄꤷ¤¿¾ì¹ç¡¢¤³¤ì¤Ï¼´¤ÎÌÜ À¹¤ê¤Ê¤É¤Î gnuplot ¤Î gprintf() ½ñ¼°´Ø¿ô¤Ç½ÐÎϤµ¤ì¤ë¿ôÃͤΤߤ˱ƶÁ¤·¡¢ ÆþÎϥǡ¼¥¿¤Î½ñ¼°»ØÄê¤ä sprintf() ½ñ¼°´Ø¿ô¤Ç½ÐÎϤµ¤ì¤ë¿ôÃͤˤϱƶÁ¤·¤Þ ¤»¤ó¡£¤½¤ì¤é¤ÎÆþÎϤä½ÐÎϤηÁ¼°¤ÎµóÆ°¤âÊѹ¹¤·¤¿¤¤¾ì¹ç¤Ï¡¢Âå¤ï¤ê¤Ë°Ê²¼¤ò »ÈÍѤ·¤Æ¤¯¤À¤µ¤¤:

      set decimalsign locale

¤³¤ì¤Ï¡¢gnuplot ¤Ë¡¢ÆþÎϤȽÐÎϤνñ¼°¤ò¡¢´Ä¶­ÊÑ¿ô LC_ALL, LC_NUMERIC, LANG ¤Î¸½ºß¤ÎÀßÄê¤Ë½¾¤Ã¤¿¤â¤Î¤ò»È¤ï¤»¤ë¤è¤¦¤Ë¤·¤Þ¤¹¡£

      set decimalsign locale "foo"

¤³¤ì¤Ï¡¢gnuplot ¤Ë¡¢ÆþÎϤȽÐÎϤνñ¼°¤ò¡¢¥í¥±¡¼¥ë "foo" ¤Ë½¾¤Ã¤¿¤â¤Î¤Ë ¤·¤Þ¤¹¤¬¡¢¤½¤Î¥í¥±¡¼¥ë¤¬¥¤¥ó¥¹¥È¡¼¥ë¤µ¤ì¤Æ¤¤¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£¤â¤·¥í¥± ¡¼¥ë "foo" ¤¬¸«¤Ä¤«¤é¤Ê¤«¤Ã¤¿¾ì¹ç¡¢¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤¬½ÐÎϤµ¤ì¡¢¾®¿ôÅÀ ¤ÎÀßÄê¤ÏÊѹ¹¤µ¤ì¤Þ¤»¤ó¡£linux ¥·¥¹¥Æ¥à¾å¤Ç¤Ï¡¢¤½¤³¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤µ¤ì¤Æ ¤¤¤ë¥í¥±¡¼¥ë¤Î°ìÍ÷¤Ï "locale -a" ¤Ç¸«¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£linux ¤Î¥í¥±¡¼ ¥ëʸ»úÎó¤Ï¤À¤¤¤¿¤¤ "sl_SI.UTF-8" ¤Î¤è¤¦¤Ê·Á¼°¤ò¤·¤Æ¤¤¤Þ¤¹¤¬¡¢Windows ¤Î¥í¥±¡¼¥ëʸ»úÎó¤Ï "Slovenian_Slovenia.1250"¡¢¤Þ¤¿¤Ï "slovenian" ¤Î¤è ¤¦¤Ê·Á¼°¤Ç¤¹¡£¥í¥±¡¼¥ëʸ»úÎó¤Î²ò¼á¤Ï¡¢C ¤Î¥é¥ó¥¿¥¤¥à¥é¥¤¥Ö¥é¥ê¤¬¹Ô¤¦¤³ ¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£¸Å¤¤ C ¥é¥¤¥Ö¥é¥ê¤Ç¤Ï¡¢¥í¥±¡¼¥ëÀßÄê¤Î¥µ¥Ý¡¼¥È (Î㤨¤Ð¿ô»ú¤Î 3 ·åËè¤Î¶èÀÚ¤êʸ»ú¤Ê¤É) ¤òÉôʬŪ¤Ë¤·¤«Ä󶡤·¤Æ¤¤¤Ê¤¤¤«¤â ¤·¤ì¤Þ¤»¤ó¡£

      set decimalsign locale; set decimalsign "."

¤³¤ì¤Ï¡¢¸½ºß¤Î¥í¥±¡¼¥ë¤Ë¹ç¤Ã¤¿¤É¤ó¤Ê¾®¿ôÅÀ¤Ç¤â¡¢Á´¤Æ¤ÎÆþ½ÐÎϤËÂФ·¤Æ»È ÍѤ¹¤ë¤è¤¦¤ËÀßÄꤷ¤Þ¤¹¤¬¡¢gnuplot ¤ÎÆâÉô´Ø¿ô gprintf() ¤ò»È¤Ã¤Æ½ñ¼°²½ ¤¹¤ë¿ôÃͤÏÌÀ¼¨Åª¤Ë»ØÄꤵ¤ì¤¿ ’.’ ¤Ë¤Ê¤ê¤Þ¤¹ (¾å½ñ¤­)¡£

3.25.18 dgrid3d

¥³¥Þ¥ó¥É dgrid3d ¤Ï¡¢Èó³Ê»Ò¾õ¥Ç¡¼¥¿¤«¤é³Ê»Ò¾õ¥Ç¡¼¥¿¤Ø¤Î¼ÌÁüµ¡Ç½¤ò Í­¸ú¤Ë¤·¡¢¤½¤Î¤¿¤á¤Î¥Ñ¥é¥á¡¼¥¿¤òÀßÄꤷ¤Þ¤¹¡£³Ê»Ò¾õ¥Ç¡¼¥¿¤Î¹½Â¤¤Ë¤Ä¤¤¤Æ ¤Î¾ÜºÙ¤Ï¡¢°Ê²¼»²¾È: ‘splot grid_data‘¡£

½ñ¼°:

      set dgrid3d {<rows>} {,{<cols>}}
                  { splines |
                    qnorm {<norm>} |
                    (gauss | cauchy | exp | box | hann)
                      {kdensity} {<dx>} {,<dy>} }
      unset dgrid3d
      show dgrid3d

¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï dgrid3d ¤Ï̵¸ú¤Ë¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£Í­¸ú¤Ë¤Ê¤ë¤È¡¢¥Õ¥¡¥¤¥ë ¤«¤éÆɤ߹þ¤Þ¤ì¤ë 3 ¼¡¸µ¤Î¥Ç¡¼¥¿¤Ï¡Ö»¶ºß¤·¤¿¡×¥Ç¡¼¥¿ (Èó³Ê»Ò¾õ¥Ç¡¼¥¿) ¤Ç¤¢¤ë¤È¸«¤Ê¤µ¤ì¤Þ¤¹¡£³Ê»Ò¤Ï¡¢¥°¥é¥Õ¤ÈÅù¹âÀþ¤ÎÉÁ²è¤Î¤¿¤á¤Ë¡¢»¶ºß¤·¤¿¥Ç ¡¼¥¿¤ò°Ï¤à¶ë·Á¤«¤éÆÀ¤é¤ì¤ëÀ£Ë¡¤È¡¢row_size/col_size ¤Ç»ØÄꤵ¤ì¤ë¿ô¤Î¹Ô ¤ÈÎó¤ò»ý¤Ä¤è¤¦¤ËÀ¸À®¤µ¤ì¤Þ¤¹¡£³Ê»Ò¤Ï x Êý¸þ (¹Ô) ¤È y Êý¸þ (Îó) ¤ËÅù´Ö ³Ö¤Ç¤¹¡£z ¤ÎÃͤϻ¶ºß¤¹¤ë¥Ç¡¼¥¿¤Î z ¤ÎÃͤνŤßÉÕ¤­¤ÎÊ¿¶Ñ¡¢¤Þ¤¿¤Ï¥¹¥×¥é ¥¤¥óÊä´Ö¤È¤·¤Æ·×»»¤µ¤ì¤Þ¤¹¡£¸À¤¤ÊѤ¨¤ì¤Ð¡¢µ¬Â§Åª¤Ê´Ö³Ö¤Î³Ê»Ò¤¬À¸À®¤µ¤ì¡¢ Á´¤Æ¤Î³Ê»ÒÅÀ¤Ç¸µ¤Î¥Ç¡¼¥¿¤Î³ê¤«¤Ê¶á»÷Ãͤ¬É¾²Á¤µ¤ì¤Þ¤¹¡£¸µ¤Î¥Ç¡¼¥¿¤ÎÂå¤ï ¤ê¤Ë¤³¤Î¶á»÷Ãͤ¬ÉÁ²è¤µ¤ì¤Þ¤¹¡£

¥Ç¥Õ¥©¥ë¥È¤ÎÎó¤Î¿ô¤Ï¹Ô¤Î¿ô¤ËÅù¤·¤¯¡¢¤½¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÃÍ¤Ï 10 ¤Ç¤¹¡£

¸µ¤Î¥Ç¡¼¥¿¤«¤é¶á»÷Ãͤò·×»»¤¹¤ë¤¿¤á¤Î¤¤¤¯¤Ä¤«¤Î¥¢¥ë¥´¥ê¥º¥à¤¬ÍÑ°Õ¤µ¤ì¤Æ ¤¤¤Æ¡¢ÄɲäΥѥé¥á¡¼¥¿¤ò»ØÄê¤Ç¤­¤ë¤â¤Î¤â¤¢¤ê¤Þ¤¹¡£¤³¤ì¤é¤ÎÊä´Ö¤Ï¡¢³Ê»Ò ÅÀ¤Ë¶á¤¤¥Ç¡¼¥¿ÅÀ¤Û¤É¡¢¤½¤Î³Ê»ÒÅÀ¤ËÂФ·¤Æ¤è¤ê¶¯¤¤±Æ¶Á¤òÍ¿¤¨¤Þ¤¹¡£

‘splines‘ ¥¢¥ë¥´¥ê¥º¥à¤Ï¡¢"Çö¤¤¤Ä¤®ÈÄ" ¤ò¸µ¤Ë¤·¤¿Êä´Ö·×»»¤ò¹Ô¤¤¤Þ¤¹¡£ ¤³¤ì¤ÏÄɲåѥé¥á¡¼¥¿¤ò¼è¤ê¤Þ¤»¤ó¡£

‘qnorm‘ ¥¢¥ë¥´¥ê¥º¥à¤Ï³Æ³Ê»ÒÅÀ¤ÇÆþÎϥǡ¼¥¿¤Î½Å¤ßÉÕ¤­Ê¿¶Ñ¤ò·×»»¤·¤Þ¤¹¡£ ³ÆÅÀ¤Ï³Ê»ÒÅÀ¤«¤é¤Îµ÷Î¥¤Î norm ¾è¤ÎµÕ¿ô¤Ç½Å¤ßÉÕ¤±¤µ¤ì¤Þ¤¹¡£(¼ÂºÝ¤Ë¤Ï¡¢ dx, dy ¤ò³Æ¥Ç¡¼¥¿ÅÀ¤È³Ê»ÒÅÀ¤È¤Îº¹¤ÎÀ®Ê¬¤Ç¤¢¤ë¤È¤¹¤ë¤È¡¢½Å¤ß¤Ï dx^norm + dy^norm ¤ÇÍ¿¤¨¤é¤ì¤Þ¤¹¡£2 ¤Î¤Ù¤­¤Î¥Î¥ë¥à¡¢ÆÃ¤Ë 4, 8, 16 ¤Ë´Ø¤·¤Æ¤Ï¡¢ ¤½¤Î½Å¤ß¤Î·×»»¤Ï¥æ¡¼¥¯¥ê¥Ã¥Éµ÷Î¥¤ò»È¤¦¤³¤È¤Ç (dx^2+dy^2)^norm/2 ¤Î¤è¤¦ ¤ËºÇŬ²½¤µ¤ì¤Æ¤Þ¤¹¤¬¡¢Ç¤°Õ¤ÎÉé¤Ç¤Ê¤¤À°¿ô¤ò»È¤¦¤³¤È¤â²Äǽ¤Ç¤¹¡£) ¥Î¥ë¥à ¤Î¤Ù¤­¤ÎÃͤò¤¿¤À°ì¤Ä¤ÎÄɲåѥé¥á¡¼¥¿¤È¤·¤Æ»ØÄê¤Ç¤­¤Þ¤¹¡£¤³¤Î¥¢¥ë¥´¥ê¥º ¥à¤¬¥Ç¥Õ¥©¥ë¥È¤Ë¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£

ºÇ¸å¤Ë¡¢½Å¤ßÉÕ¤­Ê¿¶Ñ¤Î·×»»ÍѤˡ¢¤¤¤¯¤Ä¤«¤ÎÊ¿³ê²½½Å¤ßÉÕ¤±´Ø¿ô (kernel) ¤¬ÍÑ°Õ¤µ¤ì¤Æ¤¤¤Þ¤¹: z = Sum_i w(d_i) * z_i / Sum_i w(d_i), ¤³¤³¤Ç z_i ¤Ï i ÈÖÌܤΥǡ¼¥¿¤ÎÃͤǡ¢d_i ¤Ï¸½ºß¤Î³Ê»ÒÅÀ¤È i ÈÖÌܤΥǡ¼¥¿ÅÀ¤Î°ÌÃÖ¤È ¤Îµ÷Î¥¤Ç¤¹¡£¤¹¤Ù¤Æ¤Î½Å¤ßÉÕ¤±´Ø¿ô¤¬¡¢¸½ºß¤Î³Ê»ÒÅÀ¤Ë¶á¤¤Êý¤Î¥Ç¡¼¥¿ÅÀ¤Ë¤Ï Â礭¤Ê½Å¤ß¡¢±ó¤¤Êý¤Î¥Ç¡¼¥¿ÅÀ¤Ë¤Ï¾®¤µ¤¤½Å¤ß¤òÉÕ¤±¤Þ¤¹¡£

°Ê²¼¤Î½Å¤ßÉÕ¤±´Ø¿ô¤¬»ÈÍѤǤ­¤Þ¤¹:

      gauss :     w(d) = exp(-d*d)
      cauchy :    w(d) = 1/(1 + d*d)
      exp :       w(d) = exp(-d)
      box :       w(d) = 1                     d<1 ¤Î¾ì¹ç
                       = 0                     ¤½¤Î¾
      hann :      w(d) = 0.5*(1-cos(2*pi*d))   d<1 ¤Î¾ì¹ç
                  w(d) = 0                     ¤½¤Î¾

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