{"provider_url":"https://hatena.blog","blog_title":"\u307f\u305a\u3074\u30fc\u65e5\u8a18","published":"2009-09-08 00:00:00","blog_url":"https://mzp.hatenadiary.org/","description":"30\u5206\u30d7\u30ed\u30b0\u30e9\u30e0\u3001\u305d\u306e656\u3002ln2\u3092\u8a08\u7b97\u3057\u3066\u307f\u3088\u3046\u3002 SICP\u306b\u3088\u308b\u3068\u3001\u3089\u3057\u3044\u3067\u3059\u3002\u672c\u6765\u306f\u7121\u9650\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u4f7f\u3063\u3066\u89e3\u304f\u554f\u984c\u3067\u3059\u304c\u3001\u4eca\u56de\u306f\u6709\u9650\u306e\u9577\u3055\u306e\u30ea\u30b9\u30c8\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305b\u3044\u3067\u3001\u7b2c\u4f55\u9805\u307e\u3067\u3067\u8a08\u7b97\u3059\u308b\u304b\u3092\u6307\u5b9a\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002 \u7121\u9650\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u4f7f\u308f\u306a\u304b\u3063\u305f\u7406\u7531\u306f\u3001\u30dc\u30af\u306eSML\u30b9\u30ad\u30eb\u304c\u4f4e\u3044\u305b\u3044\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f~1\u3092\u66f8\u304f\u306e\u306b5\u5206\u3050\u3089\u3044\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002 \u4f7f\u3044\u65b9 - ln2 100; val it = 0.69817217931 : real (* \u6b63\u89e3 *) - Math.ln 2.0; val it = 0.69314718056 : real \u30bd\u30fc\u30b9\u30b3\u30fc\u30c9 fun $ (f,g) = f \u2026","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/mzp/","version":"1.0","author_name":"mzp","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmzp.hatenadiary.org%2Fentry%2F20090908%2Fln\" title=\"ln2\u3092\u8a08\u7b97\u3057\u3088\u3046 - \u307f\u305a\u3074\u30fc\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","url":"https://mzp.hatenadiary.org/entry/20090908/ln","width":"100%","categories":["SML","30\u5206\u30d7\u30ed\u30b0\u30e9\u30e0"],"title":"ln2\u3092\u8a08\u7b97\u3057\u3088\u3046","image_url":null}