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三葉結び目の描き方

Last updated at Posted at 2021-08-27

環境

Wolfram Mathematica:Version 12.0.0.0

プログラム

三葉結び目.nb
r[t_] := Sin[3 t/4]^2 + 1;
ParametricPlot3D[{r[t]*Cos[t], r[t]*Sin[t], Sin[3 t/2]}, {t, 0, 4 Pi}]

実行例

sanyou.png

解説

所謂右手型である。媒介変数関数の三番目を負にすれば左手型になる。

参考サイト

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