[�}–¼] ƒ`ƒFƒbƒN–ä—l‚Q

 [˜A—§•û’öŽ®] Z=Sin(ƒÎ*X)*Sin(2*ƒÎ*Y)

              Z=0     ƒÎ=3.14159

 [•û’öŽ®‚Ì�À•WŒn] ’¼Œð�À•WŒn

 [•û’öŽ®‚Ì�À•W•Ï�”] X,Y

 [�F] Z=�ƒ0‚Å�Â�AZ�„0‚Å”’�B

 [•û’öŽ®‚Ì‹O�Õ] •û’öŽ® Z=0‚Ì‹O�Õ‚Í�‚Ɣ’‚Ì‹«ŠE�ü�B

ƒOƒ‰ƒtƒBƒbƒNƒX‚Ì–ÚŽŸ‚Ö