{"description":"\u3068\u3044\u3046\u7d71\u8a08\u91cf\u3092\u8003\u3048\u308b \u306e\u3068\u304d\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b theta <- seq(from=0, to=1,length=100)*2*pi phi <- pi/6 x <- cos(theta+phi)^2 + cos(theta-phi)^2 plot(theta,x) \u3068\u3044\u3046\u95a2\u4fc2\u3089\u3057\u3044 \u89d2\u5ea6\u306b\u3088\u3063\u3066\u3001\u5024\u304c\u5897\u6e1b\u3059\u308b\u304b\u3089\u3001\u306b\u5fdc\u3058\u3066\u306e\u5024\u3092\u5909\u3048\u3066\u3001\u540c\u3058\u5024\u3092\u53d6\u308b\u3088\u3046\u306a\u3092\u6c42\u3081\u308b\u3053\u3068\u306b\u3057\u3088\u3046 \u3053\u306e\u3088\u3046\u306b\u304c\u4e00\u5b9a\u306b\u306a\u308b\u3088\u3046\u306a\u70b9\u304c\u63cf\u304f\u7b49\u9ad8\u7dda\u306f\u6955\u5186\u3089\u3057\u3044\u3002\u3057\u304b\u3082\u305d\u306e\u6955\u5186\u306f\u3092\u901a\u308b phi <- pi/3 t <- seq(from = 0, to = 1, length =1000)*2*pi R <- 1/sqrt\u2026","blog_url":"https://ryamada22.hatenablog.jp/","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fryamada22.hatenablog.jp%2Fentry%2F20120716%2F1342418607\" title=\"\u4f59\u5f26\u306e\u4e8c\u4e57\u306e\u548c - ryamada\u306e\u907a\u4f1d\u5b66\u30fb\u907a\u4f1d\u7d71\u8a08\u5b66\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["\u6955\u5186","\u7403","\u6b21\u5143"],"author_name":"ryamada22","blog_title":"ryamada\u306e\u907a\u4f1d\u5b66\u30fb\u907a\u4f1d\u7d71\u8a08\u5b66\u30e1\u30e2","version":"1.0","type":"rich","author_url":"https://blog.hatena.ne.jp/ryamada22/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/r/ryamada22/20120716/20120716145736.jpg","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","url":"https://ryamada22.hatenablog.jp/entry/20120716/1342418607","published":"2012-07-16 15:03:27","title":"\u4f59\u5f26\u306e\u4e8c\u4e57\u306e\u548c","height":"190"}