{"published":"2004-08-18 00:00:02","author_name":"DOSEI","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdosei.hatenadiary.jp%2Fentry%2F20040818%2Fp3\" title=\" - DOSEI\u306e\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>","provider_name":"Hatena Blog","description":"\u4eca\u65e5\u8aad\u3093\u3060\u8ad6\u6587\u306b\u73fe\u308f\u308c\u305f\u8a18\u53f7\u3002 [u]\u00d7 \u2208 SO(3) \u3053\u3053\u3067\u3001u \u306f\u30d9\u30af\u30c8\u30eb\u3001 SO(3) \u306f3\u6b21\u306e\u4ea4\u4ee3\u7fa4\uff08\u56de\u8ee2\u7fa4\u304b\u3082\uff1f \u4ea4\u4ee3\u884c\u5217\uff1d\u6b6a\u5bfe\u79f0\u884c\u5217\u3063\u3066\u4e8b\u3092\u521d\u3081\u3066\u77e5\u3063\u305f\uff09 \u3055\u3066\u3053\u306e\u8a18\u53f7\u306f\u3001\u30d9\u30af\u30c8\u30eb\u304b\u3089\u5916\u7a4d\u4f5c\u7528\u7d20\u3092\u4f5c\u308b\u3002\u3064\u307e\u308a\u3001 [u]\u00d7v = u\u00d7v \u3068\u306a\u308b\u3088\u3046\u306a\u884c\u5217\u3092\u8868\u308f\u3059\u3001\u3089\u3057\u3044\u3002 \u6700\u521d\u306f\u3088\u304f\u5206\u304b\u3089\u306a\u304b\u3063\u305f\u304c\u3001\u5fae\u5206\u6f14\u7b97\u5b50 Df := df\u2044dx \u307f\u305f\u3044\u306a\u3053\u3068\u3060\u308d\u3046\u3002 \u8aac\u660e\u3082\u306a\u304f\u4f7f\u3046\u306a\u3063\u3064\u30fc\u306e\u3002","blog_title":"DOSEI\u306e\u65e5\u8a18","provider_url":"https://hatena.blog","categories":["\u30e1\u30e2","\u6570\u5b66","\u30e1\u30e2","\u6570\u5b66"],"width":"100%","title":"","url":"https://dosei.hatenadiary.jp/entry/20040818/p3","height":"190","blog_url":"https://dosei.hatenadiary.jp/","version":"1.0","type":"rich","author_url":"https://blog.hatena.ne.jp/DOSEI/","image_url":null}