{"categories":["\u77e5\u8b58","\u4ed5\u4e8b"],"url":"https://yfp.hatenadiary.org/entry/20040810/2","image_url":null,"height":"190","published":"2004-08-10 09:00:02","version":"1.0","title":" \u30af\u30a9\u30fc\u30bf\u30cb\u30aa\u30f3 (Quaternion) \u306e\u5408\u6210\u3001\u304b\u3051\u7b97","width":"100%","author_name":"yfp","type":"rich","blog_url":"https://yfp.hatenadiary.org/","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/yfp/","description":"\u81ea\u5206\u7528\u306e\u30e1\u30e2\u3068\u3057\u3066\u3001 http://d.hatena.ne.jp/yfp/20040610#p2 \u306b\u8ffd\u52a0\u3002 qL, qR, qq\u304c\u30af\u30a9\u30fc\u30bf\u30cb\u30aa\u30f3\u3002 q (w, v) = q (w, (x, y, z))\u3068\u3044\u3046\u69cb\u6210\u3002 qq.v = qL.w * qR.v + qL.v * qR.w + qL.v x qR.v qq.w = qL.w * qR.w - (qL.v\u30fbqR.v) qq.x = qL.w * qR.x + qL.x * qR.w + qL.y * qR.z - qL.z * qR.y; qq.y = qL.w * qR.y + qL.y * qR.w + qL.z * qR.x - q\u2026","blog_title":"yfp\u306e\u5916\u90e8\u8a18\u61b6","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyfp.hatenadiary.org%2Fentry%2F20040810%2F2\" title=\" \u30af\u30a9\u30fc\u30bf\u30cb\u30aa\u30f3 (Quaternion) \u306e\u5408\u6210\u3001\u304b\u3051\u7b97 - yfp\u306e\u5916\u90e8\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}