{"width":"100%","url":"https://soukouki.hatenablog.jp/entry/2017/11/09/090432","description":"(2017/11/16)\u3042\u3042\u3042\u30bf\u30a4\u30c8\u30eb\u9593\u9055\u3063\u3066\u307e\u3057\u305f\u3041\u30fb\u30fb\u66f4\u65b0\u524d\u306b\u898b\u305f\u65b9\u7533\u3057\u8a33\u306a\u3044\u3067\u3059\u30fb\u30fb \u5408\u3063\u3066\u3044\u308b\u304b\u306f\u81ea\u4fe1\u306a\u3044\u3067\u3059\u30fb\u30fb \u30b2\u30fc\u30e0\u306e\u4e71\u6570\u304f\u3089\u3044\u306b\u304a\u4f7f\u3044\u304f\u3060\u3055\u3044\u3002 require \"random_bell\" # http://pmsl.planet.sci.kobe-u.ac.jp/~seto/?page_id=316 # \u3092Ruby\u306b\u79fb\u690d def lognormal mu, sigma return Float::NAN if (mu <= 0) bell = RandomBell.new( mu: Math.log(mu*mu) - Math.log(mu*mu + sigma*sigma)\u2026","author_url":"https://blog.hatena.ne.jp/soukouki/","image_url":null,"type":"rich","version":"1.0","blog_url":"https://soukouki.hatenablog.jp/","blog_title":"soukouki\u2019s diary","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsoukouki.hatenablog.jp%2Fentry%2F2017%2F11%2F09%2F090432\" title=\"\u30e1\u30e2 Ruby\u5bfe\u6570\u6b63\u898f\u5206\u5e03\u306e\u4e71\u6570 - soukouki\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","height":"190","author_name":"soukouki","title":"\u30e1\u30e2 Ruby\u5bfe\u6570\u6b63\u898f\u5206\u5e03\u306e\u4e71\u6570","categories":["\u30e1\u30e2","Ruby","\u4e71\u6570","\u81ea\u7136\u5bfe\u6570\u5206\u5e03","\u81ea\u4fe1\u304c\u306a\u3044\u8a18\u4e8b"],"provider_url":"https://hatena.blog","published":"2017-11-09 09:04:32"}