{"author_name":"toburau","version":"1.0","blog_url":"https://toburau.hatenablog.jp/","width":"100%","blog_title":"\u30b2\u30fc\u30e0\u304c\u4f5c\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u307e\u3067\u304c\u3093\u3070\u308b\u65e5\u8a18","provider_url":"https://hatena.blog","type":"rich","provider_name":"Hatena Blog","url":"https://toburau.hatenablog.jp/entry/20070709/1184001684","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftoburau.hatenablog.jp%2Fentry%2F20070709%2F1184001684\" title=\"\u5185\u7a4d\u3068\u306f - \u30b2\u30fc\u30e0\u304c\u4f5c\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u307e\u3067\u304c\u3093\u3070\u308b\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>","published":"2007-07-09 02:21:24","author_url":"https://blog.hatena.ne.jp/toburau/","categories":["\u96d1\u8a18"],"title":"\u5185\u7a4d\u3068\u306f","image_url":null,"description":"\u30c6\u30ec\u30d3\u756a\u7d44\u300c\u305f\u3051\u3057\u306e\u30b3\u30de\u30cd\u30c1\u5927\u5b66\u6570\u5b66\u79d1\u300d\u3067\u51fa\u3066\u304d\u305f\u5185\u7a4d\u306e\u8aac\u660e\u3002 \u30d9\u30af\u30c8\u30ebb\u304c\u30d9\u30af\u30c8\u30eba\u306e\u65b9\u5411\u306b\u30d9\u30af\u30c8\u30eba\u3068\u5171\u306b\u884c\u3063\u305f\u4ed5\u4e8b\u306e\u91cf\u306e\u3053\u3068\u3002 \u89d2AOB=\u03b8\u3092\u30d9\u30af\u30c8\u30eba\u3068\u30d9\u30af\u30c8\u30eb\uff42\u306e\u306a\u3059\u89d2\u3068\u3044\u3046\u3002 a\u30fbb = |a||b|cos\u03b8 a,b\u306f\u30d9\u30af\u30c8\u30eb \u3046\u30fc\u3093\u3001\u30c6\u30ad\u30b9\u30c8\u3067\u6570\u5f0f\u3092\u66f8\u304f\u306e\u306f\u7121\u7406\u304c\u3042\u308b\u306a\u3041\u3002 \u756a\u7d44\u3067\u306f\u30d2\u30eb\u30d9\u30eb\u30c8\u7a7a\u9593\u306e\u8aac\u660e\u3060\u3063\u305f\u304c\u3001\u3055\u3063\u3071\u308a\u7406\u89e3\u3067\u304d\u305a\u3002","height":"190"}