{"published":"2013-03-17 02:43:25","description":"\u5024\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u2260\u578b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf data Vector a = Vector a a a deriving (Show) -- Vector a a a -> Vector a a a -> a \u306f\u9593\u9055\u3044 vplus :: (Num a) => Vector a -> Vector a -> Vector a (Vector i j k) `vplus` (Vector l m n) = Vector (i+l) (j+m) (k+n) dotProd :: (Num a) => Vector a -> Vector a -> a (Vector i j k) `dotProd` (Vec\u2026","provider_url":"https://hatena.blog","author_name":"shigemk2","provider_name":"Hatena Blog","blog_title":"by shigemk2","categories":["Haskell"],"image_url":null,"type":"rich","height":"190","version":"1.0","blog_url":"https://www.shigemk2.com/","author_url":"https://blog.hatena.ne.jp/shigemk2/","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F20130317%2F1363455805\" title=\"\u4e09\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u306e\u8a08\u7b97 - by shigemk2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://www.shigemk2.com/entry/20130317/1363455805","title":"\u4e09\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u306e\u8a08\u7b97"}