(PDF ¥Õ¥¡¥¤¥ë: test2.pdf)

[3](b)

• $dS=dudv$ $B$H$7$F$$$k$b$N(B
• 
  
  $$\mbox{\boldmath$n$}dS=\frac{\partial \mbox{\boldmath$r$}}{\... ...l u}\times\frac{\partial \mbox{\boldmath$r$}}{\partial v}dudv$$
  
  
  $B$H$7$F$$$k$b$N(B ($B@5$7$/$O1&JU$K(B $-$ $B$r$D$1$J$$$H$$$1$J$$(B)
• $u$,$v$ $B$N@QJ,$K$7$?$N$O$$$$$,!"(B$x,y,z$ $B$N<0$r(B $u,v$ $B$G@QJ,$7$F(B $B7k2L$,(B $x,y,z$ $B$N<0$K$J$C$F$$$k$b$N(B
• $x,y$ $B$G@QJ,$7$F$$$k$b$N(B ($dxdy$)
• $BEz$($,Ii$N?t;z$K$J$C$?$N$,5$$K$J$C$?$N$+!"(B $B$=$N@dBPCM$rEz$($H$7$F$$$k$b$N(B
• $\mbox{\boldmath$A$}\cdot\mbox{\boldmath$n$} = (A_xn_x, A_yn_y, A_zn_z)$ $B$H$7$F$$$k$b$N(B
• $B@QJ,HO0O$,0c$&$b$N(B
• $\mbox{\boldmath$k$}\cdot\mbox{\boldmath$n$}$ $B$J$I$r7W;;$7$F2x$7$2$J8x<0(B (?) $B$G7W;;$7$F$$$k$b$N(B