{"description":"$(1,1,\\ldots,1)^{t}$\u3092QR\u5206\u89e3\u3057\u3066\u5f97\u3089\u308c\u308bQ\u56e0\u5b50\u306f\u76f4\u4ea4\u884c\u5217\u3067\u304b\u3064\u30011\u5217\u76ee\u304c\u7b49\u3057\u3044\u3002\u3053\u3053\u304b\u3089n\u500b\u306en-1\u6b21\u5143\u884c\u30d9\u30af\u30c8\u30eb\u3092\u53d6\u308b\u3068\u3001n\u5358\u4f53\u304c\u5f97\u3089\u308c\u308b\u3002 \u304a\u6c17\u6301\u3061\u8a3c\u660e\u3068\u3057\u3066\u306f\u3001n\u500b\u306e\u6b63\u898f\u76f4\u4ea4\u57fa\u5e95\u3092\u3001\u3042\u308b1\u3064\u306e\u6b21\u5143$z$\u306e\u5024\u304c\u540c\u3058\u306b\u306a\u308b\u3088\u3046\u306b\u53d6\u3063\u3066\u3001\u305d\u306e\u5f8c\u305d\u306e\u6b21\u5143$z$\u306e\u5411\u304d\u306b\u6b63\u5c04\u5f71\u3057\u305f\u3082\u306e\u3092\u8003\u3048\u308b\u3068\u305d\u3093\u306a\u6c17\u304c\u3057\u3066\u304f\u308b\u3002 # https://mathoverflow.net/questions/38724/coordinates-of-vertices-of-regular-simplex simplex <- function(n) { qr.Q(qr(matrix(1,nrow=\u2026","author_url":"https://blog.hatena.ne.jp/kuyata/","image_url":null,"title":"n\u5358\u4f53\u306e\u4f5c\u308a\u65b9","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakuyaokada.hatenablog.com%2Fentry%2F20190531%2F1559279017\" title=\"n\u5358\u4f53\u306e\u4f5c\u308a\u65b9 - tak0kada\u306e\u4f55\u3067\u3082\u30ce\u30fc\u30c8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","blog_url":"https://takuyaokada.hatenablog.com/","author_name":"kuyata","categories":["\u6570\u5b66"],"url":"https://takuyaokada.hatenablog.com/entry/20190531/1559279017","provider_name":"Hatena Blog","height":"190","width":"100%","published":"2019-05-31 14:03:37","type":"rich","blog_title":"tak0kada\u306e\u4f55\u3067\u3082\u30ce\u30fc\u30c8"}