打开电脑
启动Mathematica
挑选田螺的样式。输入下列代码并 Shift+Enter. style = {Red, LightBlue, Gray, Purple, Yellow, Green, Cyan, Magenta, Brown, Orange, Pink};
制作田螺。 输入下列代码并 Shift+Enter. viviparidae = ParametricPlot3D[{1.16^v Cos[v] (1 + Cos[u]), -1.16^v Sin[ v] (1 + Cos[u]), -2 1.16^v (1 + Sin[u])}, {u, 0, 2 Pi}, {v, -15, 6}, Mesh -> False, PlotStyle -> Evaluate[RandomChoice[style]], PlotRange -> All, Boxed -> False, Axes -> None]
制作多个田螺。 输入下列代码并 Shift+Enter. Grid[{{vivshow, vivshow}, {vivshow, vivshow}}, ItemSize -> 10]