{"version":"1.0","published":"2008-06-18 00:00:00","provider_url":"https://hatena.blog","description":"sum(abs(i - j)) i, j \u306f\u30d9\u30af\u30c8\u30eb\u3067\u3059\uff0e\u305f\u3068\u3048\u30703\u00d73\u306e\u884c\u5217a\u306e1\u884c\u76ee\u3068\u3068\u3042\u308b\u30d9\u30af\u30c8\u30ebv\u306e\u8ddd\u96e2\u3092\u6e2c\u308a\u305f\u3051\u308c\u3070\u6b21\u306e\u3088\u3046\u306b\u66f8\u304f\u3068\u3088\u3044\uff0e octave:8> a=rand(3,3) a = 0.316816 0.470100 0.042874 0.562923 0.048504 0.756269 0.280402 0.860104 0.655687 octave:9> v = rand(1,3) v = 0.15956 0.41231 0.34827 octave:10> sum(abs(a(1,:) - v)) ans = 0.52043 (\u8ffd\u8a18 2008/6/18 23:23 \u2026","blog_title":"chiko\u306e\u65e5\u8a18","categories":[],"type":"rich","blog_url":"https://chiko.hatenadiary.org/","title":" Octave\u3067\u306e\u30de\u30f3\u30cf\u30c3\u30bf\u30f3\u8ddd\u96e2\u306e\u6c42\u3081\u65b9","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fchiko.hatenadiary.org%2Fentry%2F20080618%2Fp1\" title=\" Octave\u3067\u306e\u30de\u30f3\u30cf\u30c3\u30bf\u30f3\u8ddd\u96e2\u306e\u6c42\u3081\u65b9 - chiko\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","image_url":null,"width":"100%","height":"190","url":"https://chiko.hatenadiary.org/entry/20080618/p1","author_name":"chiko","author_url":"https://blog.hatena.ne.jp/chiko/"}