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我有一个圆锥体,如图所示:
(两个底是椭圆)
如何通过 Mathematica 绘制曲面?
你总是可以使用 RegionPlot:
RegionPlot3D[ Sqrt[x^2 + y^2] < 1 - z/3, {x, -2, 2}, {y, -2, 2}, {z, -1, 1}, BoxRatios -> {1, 1, 1/2}]