{"author_name":"koreyakono","title":"Python \u3067\u9806\u5217\u3001\u7d44\u307f\u5408\u308f\u305b\u3001\u968e\u4e57\u306e\u8a08\u7b97\u3092\u3059\u308b","published":"2024-07-20 11:36:28","blog_url":"https://koreyakono.hatenadiary.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkoreyakono.hatenadiary.jp%2Fentry%2F2024%2F07%2F20%2F113628\" title=\"Python \u3067\u9806\u5217\u3001\u7d44\u307f\u5408\u308f\u305b\u3001\u968e\u4e57\u306e\u8a08\u7b97\u3092\u3059\u308b - \u3042\u308c\u3084\u3053\u308c\u3084\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["Python"],"blog_title":"\u3042\u308c\u3084\u3053\u308c\u3084","type":"rich","url":"https://koreyakono.hatenadiary.jp/entry/2024/07/20/113628","description":"Python \u306e math \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u3046\u3068\u3001\u9806\u5217\u3001\u7d44\u307f\u5408\u308f\u305b\u3001\u968e\u4e57\u306e\u8a08\u7b97\u304c\u3067\u304d\u308b import math # \u9806\u5217: 4P2 \u306e\u8a08\u7b97 math.perm(4, 2) # \u7d44\u307f\u5408\u308f\u305b: 4C2 \u306e\u8a08\u7b97 math.comb(4, 2) # \u968e\u4e57: 4! \u306e\u8a08\u7b97 math.factorial(4) math.comb \u3092\u4f7f\u3063\u3066\u3001\u4e8c\u9805\u5206\u5e03\u306e\u78ba\u7387\u306e\u5f0f\u3092\u8868\u3057\u3066\u307f\u308b\u3002 p = 1/2 n = 10 k = 3 nCk = math.comb(n, k) p1 = p**k p2 = (1-p)**(n-k) nCk * p1 * p2","height":"190","provider_url":"https://hatena.blog","version":"1.0","width":"100%","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/koreyakono/","image_url":null}