[}–¼] àƒOƒ‰ƒtƒBƒbƒNƒX‚Ì–ÚŽŸ‚Ö
[˜A—§•û’öŽ®] Z=0.8*(Y-1.5)*(Y+1.5)*(Y^2-Y+1)+X^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”Z‰©AZ>0‚Å”ZŽ‡B
[•û’öŽ®‚Ì‹OÕ] •û’öŽ® Z=0‚Ì‹OÕ‚Í”Z‰©‚Æ”ZŽ‡‚Ì‹«ŠE‚ð‚È‚·‹ÈüB