[}–¼] •Z’\‚P

 [˜A—§•û’öŽ®] Z=0.15*(X-2)*(X+2)*(X^2+X+0.5)+Y^2
              Z=0

 [•û’öŽ®‚ÌÀ•WŒn] ’¼ŒðÀ•WŒn

 [•û’öŽ®‚ÌÀ•W•Ï”] X,Y

 [•`‰æ‚ÌÀ•WŒn] ’¼ŒðÀ•WŒn

 [•`‰æ‚ÌÀ•W•Ï”] X,Y

 [F] Z=ƒ0‚Å—ÎAZ>0‚Å”ZŽ‡B

 [•û’öŽ®‚Ì‹OÕ] •û’öŽ® Z=0‚Ì‹OՂ͗΂ƔZŽ‡‚Ì‹«ŠE‚ð‚È‚·‹ÈüB

ƒOƒ‰ƒtƒBƒbƒNƒX‚Ì–ÚŽŸ‚Ö