{"image_url":null,"published":"2010-11-23 18:00:39","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fryamada.hatenadiary.jp%2Fentry%2F20101123%2F1290070839\" title=\"\u30ec\u30f4\u30a3\u98db\u884c - ryamada\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fb\u6570\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":["\u6d6e\u52d5"],"blog_title":"ryamada\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fb\u6570\u5b66\u30e1\u30e2","author_url":"https://blog.hatena.ne.jp/ryamada/","provider_url":"https://hatena.blog","version":"1.0","title":"\u30ec\u30f4\u30a3\u98db\u884c","author_name":"ryamada","description":"\u6d6e\u52d5\u3068\u8a00\u3048\u3070\u3053\u3061\u3089 \u6570\u30bb\u30df\u306e\u8a71\u984c\u305d\u306e\uff13 \u52d5\u7269\u306e\u990c\u63a2\u7d22\u306b\u95a2\u3057\u3066\u3001\u9154\u6b69\u3068\u305d\u306e\u4e00\u7a2e\u3067\u3042\u308b\u30ec\u30f4\u30a3\u98db\u884c\u306b\u3064\u3044\u3066\u306e\u8a18\u4e8b\u3082\u3042\u308b\u300c\u3079\u304d\u5247\u3067\u98df\u3079\u308b\u300d Wiki\u8a18\u4e8b\u306f\u3053\u3061\u3089 Ns<-100 XY<-matrix(0,Ns,2) # \u6a19\u6e96\u30b3\u30fc\u30b7\u30fc\u5206\u5e03\u306e\u30d1\u30e9\u30e1\u30bf a<-0 b<-1 Ls<-rcauchy(Ns-1,a,b) ts<-runif(Ns-1)*2*pi for(i in 2:Ns){ XY[i,]<-XY[i-1,]+c(Ls[i]*cos(ts[i]),Ls[i]*sin(ts[i])) } plot(XY,type=\"b\")","url":"https://ryamada.hatenadiary.jp/entry/20101123/1290070839","blog_url":"https://ryamada.hatenadiary.jp/","height":"190","provider_name":"Hatena Blog","width":"100%"}