{"width":"100%","provider_url":"https://hatena.blog","url":"https://blog.emattsan.org/entry/20070624/1182692326","description":"\u5148\u65e5\u306e\u554f\u984c\u3092Haskell\u3067\u8868\u73fe\u3059\u308b\u3002 mugen_ireko = map valueAt [1..] where valueAt 1 = sqrt 2 valueAt i = sqrt $ 2 * valueAt (i-1) \u305d\u306e\u307e\u307e\u8868\u73fe\u3059\u308c\u3070\u3044\u3044\u306e\u306b\u3001\u306a\u3093\u3067\u60a9\u3093\u3060\u3093\u3060\u308d? Prelude> mugen_ireko !! 1000 1.9999999999999998","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.emattsan.org%2Fentry%2F20070624%2F1182692326\" title=\"\u7121\u9650\u5165\u308c\u5b50\u306e\u5024\u3092Haskell\u3067\u8868\u73fe\u3059\u308b\u3068\u2026 - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7684\u611b\u60c5\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u7121\u9650\u5165\u308c\u5b50\u306e\u5024\u3092Haskell\u3067\u8868\u73fe\u3059\u308b\u3068\u2026","author_name":"E_Mattsan","blog_title":"\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7684\u611b\u60c5","blog_url":"https://blog.emattsan.org/","image_url":null,"provider_name":"Hatena Blog","height":"190","categories":["Haskell"],"type":"rich","author_url":"https://blog.hatena.ne.jp/E_Mattsan/","published":"2007-06-24 22:38:46","version":"1.0"}