{"provider_url":"https://hatena.blog","url":"https://bitterharvest.hatenablog.com/entry/2014/07/20/212530","description":"\uff11\uff0e\u5186\u5468\u7387\u3092\u6c42\u3081\u308b \u30e9\u30a4\u30d7\u30cb\u30c3\u30c4\u306f\u4e00\u4e03\u4e16\u7d00\u306e\u54f2\u5b66\u8005\u3001\u6570\u5b66\u8005\u3001\u79d1\u5b66\u8005\u3067\u3042\u308a\u3001\u653f\u6cbb\u5bb6\u3001\u5916\u4ea4\u5b98\u3067\u3082\u3042\u3063\u305f\u3002\u5f7c\u306f\u3001\u30c9\u30a4\u30c4\u6771\u90e8\u306e\u30e9\u30a4\u30d7\u30c1\u30d2\u306e\u51fa\u8eab\u3067\u3042\u308b\u3002Haskell\u3092\u5b66\u3093\u3067\u3044\u308b\u4eba\u3067\u3042\u308c\u3070\u3001\u30e2\u30ca\u30c9\u3068\u3044\u3046\u8a00\u8449\u3092\u77e5\u3063\u3066\u3044\u308b\u3053\u3068\u3068\u601d\u3046\u304c\u3001\u54f2\u5b66\u7528\u8a9e\u3067\u306e\u30e2\u30ca\u30c9\u3068\u3044\u3046\u6982\u5ff5\u3092\u6253\u3061\u51fa\u3057\u305f\u5b66\u8005\u3067\u3042\u308b\u3002\u30cb\u30e5\u30fc\u30c8\u30f3\u3068\u306f\u72ec\u7acb\u306b\u5fae\u7a4d\u5206\u6cd5\u3092\u767a\u898b\u3057\u3001\u4e8c\u9032\u6cd5\u3092\u7814\u7a76\u3057\u305f\u3053\u3068\u3067\u3082\u77e5\u3089\u308c\u3066\u3044\u308b\u3002\u3053\u3053\u3067\u53d6\u308a\u4e0a\u3052\u308b\u306e\u306f\u3001\u5186\u5468\u7387\u3092\u6c42\u3081\u308b\u30e9\u30a4\u30d7\u30cb\u30c3\u30c4\u306e\u516c\u5f0f\u3067\u3042\u308b\u3002\u5f7c\u306b\u3088\u308c\u3070\u3001\u5186\u5468\u7387\u306f\u6b21\u306e\u5f0f\u306b\u3088\u308a\u6c42\u3081\u3089\u308c\u308b\u3002\\[ \\pi = 4 - \\frac{4}{3} + \\frac{4}{5} - \\frac{4}{7} + \\frac{4}{9} - \\fr\u2026","title":"\u30e9\u30a4\u30d7\u30cb\u30c3\u30c4\u306e\u516c\u5f0f\u304b\u3089\u5186\u5468\u7387\u3092\u6c42\u3081\u308b","height":"190","author_name":"bitterharvest","image_url":null,"blog_title":"bitterharvest\u2019s diary","author_url":"https://blog.hatena.ne.jp/bitterharvest/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbitterharvest.hatenablog.com%2Fentry%2F2014%2F07%2F20%2F212530\" title=\"\u30e9\u30a4\u30d7\u30cb\u30c3\u30c4\u306e\u516c\u5f0f\u304b\u3089\u5186\u5468\u7387\u3092\u6c42\u3081\u308b - bitterharvest\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>","width":"100%","version":"1.0","type":"rich","published":"2014-07-20 21:25:30","categories":["Haskell\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8b1b\u5ea7\uff08\u4e2d\u7d1a\u7de8\uff09"],"blog_url":"https://bitterharvest.hatenablog.com/","provider_name":"Hatena Blog"}