[�}–¼] •Ç–ä—l‚P

 [˜A—§•û’öŽ®] Z=Sin(ƒÎ*X+1.7*SIN(ƒÎ*Y))
                 *Sin(ƒÎ*Y+1.7*SIN(ƒÎ*X))

              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�Ô�AZ�„0‚Å�•�B

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

ƒOƒ‰ƒtƒBƒbƒNƒX‚Ì–ÚŽŸ‚Ö