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楼主 |
发表于 2021-3-1 08:55
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@永远, 那个立体心是用 mathematica 画的,程序代码如下:
- m = 1.5; ContourPlot3D[(x^2 + 9/4 y^2 + z^2 - 1)^3 - x^2 z^3 -
- 9/80 y^2 z^3 == 0, {x, -m, m}, {y, -m, m}, {z, -m, m},
- Axes -> False, Boxed -> False, Lighting -> "Neutral",
- ContourStyle -> Red]
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