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Mathematica ¥×¥í¥°¥é¥àÎã

1. <<Graphics`ImplicitPlot`
2. ImplicitPlot[x^2+y^2==x,{x,-1,2}]
3. tmp=Solve[x^2+y^2==x,y]
4. Integrate[Sqrt[x],{x,0,1},{y,y/.tmp[[1]],y/.tmp[[2]]}]

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Mathematica ¥×¥í¥°¥é¥àÎã

1. g4 = Plot3D[Sqrt[x], {x, 0, 2}, {y, -1, 1}]
2. p4 = ParametricPlot3D[{Cos[u]/2 + 1/2, Sin[u]/2, t}, {u, 0, 2Pi}, {t, 0, 1}]
3. Show[g4, p4]

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