{"description":"\u4f1a\u793e\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u898b\u3066\u3044\u305f\u3089\u3001\u5e73\u65b9\u6839\u3092\u6c42\u3081\u308b\u95a2\u6570\u304c\u3042\u3063\u305f\u306e\u3067\u3001 Python\u3067\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002 def sqrt(var): if var <= 0: return 0 Xn_1 = var # \u6f38\u5316\u5f0f\u306e\u548c Xn = Xn_1 + 1 # \u6f38\u5316\u5f0f\u306e\u548c\u306e\uff11\u3064\u524d while Xn_1 < Xn: Xn = Xn_1 Xn_1 = (Xn + (var / Xn)) / 2.0 # \u30cb\u30e5\u30fc\u30c8\u30f3\u6cd5 return Xn\u305f\u3060\u3001\u643a\u5e2f\u3067\u306f\u5b9f\u6570\u6f14\u7b97\u306f\u3064\u3089\u3044\u306e\u3067\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001 Xn_1 = (Xn + (var / Xn)) >> 1 \u3068\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u304c\u30fc\u3002 kenmo\u306f\u6700\u8fd1\u3001\u95a2\u6570\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u8208\u5473\u304c\u3042\u308b\u306e\u3067\u2026","blog_title":"\u30b2\u30fc\u30e0\u30d7\u30ed\u30b0\u30e9\u30e0\u3081\u3082\u65e5\u8a18","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkenmo.hatenadiary.org%2Fentry%2F20060314%2Fp2\" title=\"\u5e73\u65b9\u6839 - \u30b2\u30fc\u30e0\u30d7\u30ed\u30b0\u30e9\u30e0\u3081\u3082\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>","image_url":null,"categories":["Python"],"width":"100%","author_url":"https://blog.hatena.ne.jp/kenmo/","title":"\u5e73\u65b9\u6839","url":"https://kenmo.hatenadiary.org/entry/20060314/p2","type":"rich","blog_url":"https://kenmo.hatenadiary.org/","height":"190","provider_url":"https://hatena.blog","author_name":"kenmo","provider_name":"Hatena Blog","published":"2006-03-14 00:00:01"}