{"width":"100%","title":"\u30da\u30a2\u30ef\u30a4\u30baLD\u306e\u5e7e\u4f55\u914d\u7f6e","height":"190","url":"https://ryamada22.hatenablog.jp/entry/20110406/1302053922","description":"k\u6b21\u5143\u7a7a\u9593\u306bn\u500b\u306e\u5358\u4f4d\u30d9\u30af\u30c8\u30eb\u304c\u3042\u308b \u30d9\u30af\u30c8\u30eb\u540c\u58eb\u306e\u5185\u7a4d\u304c\u95a2\u4fc2\u3092\u8868\u3059 \u30da\u30a2\u30ef\u30a4\u30ba\u306a\u5185\u7a4d\u304c\u500b\u8a08\u7b97\u3055\u308c\u308b \u305d\u306e\u5185\u7a4d\u304b\u3089\u3001k\u6b21\u5143\u5358\u4f4d\u7403\u9762\u4e0a\u306bn\u500b\u306e\u30d9\u30af\u30c8\u30eb\u3092\u518d\u914d\u7f6e\u3059\u308b library(sphere) k<-5 n<-30 X<-RandomSphere(df=k,n=n) X #\u30da\u30a2\u30ef\u30a4\u30ba\u306a\u5185\u7a4d\u306e\u884c\u5217 Y<-X%*%t(X) diag(Y)<-1 Y # \u89d2\u5ea6\u306b\u3057\u3066\u3082\u3088\u3057 Z<-acos(Y) Z # \u3053\u306eY\u3092\u4f7f\u3063\u3066\u3001\u30d9\u30af\u30c8\u30eb\u3092\u518d\u914d\u7f6e\u3059\u308b VectorsFromPairwise<-function(X,k){ n<-length(X[,1]) M<-matrix(0,n,n) M[1,1]<-1 M\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fryamada22.hatenablog.jp%2Fentry%2F20110406%2F1302053922\" title=\"\u30da\u30a2\u30ef\u30a4\u30baLD\u306e\u5e7e\u4f55\u914d\u7f6e - 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>","blog_title":"ryamada\u306e\u907a\u4f1d\u5b66\u30fb\u907a\u4f1d\u7d71\u8a08\u5b66\u30e1\u30e2","categories":["\u9023\u9396\u4e0d\u5e73\u8861","\u591a\u6b21\u5143\u7403","\u5e7e\u4f55"],"type":"rich","version":"1.0","author_url":"https://blog.hatena.ne.jp/ryamada22/","image_url":null,"blog_url":"https://ryamada22.hatenablog.jp/","provider_name":"Hatena Blog","author_name":"ryamada22","published":"2011-04-06 10:38:42","provider_url":"https://hatena.blog"}