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  <author_name>chiko</author_name>
  <author_url>https://blog.hatena.ne.jp/chiko/</author_url>
  <blog_title>chikoの日記</blog_title>
  <blog_url>https://chiko.hatenadiary.org/</blog_url>
  <categories>
  </categories>
  <description>sum(abs(i - j)) i, j はベクトルです．たとえば3×3の行列aの1行目ととあるベクトルvの距離を測りたければ次のように書くとよい． octave:8&gt; 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&gt; v = rand(1,3) v = 0.15956 0.41231 0.34827 octave:10&gt; sum(abs(a(1,:) - v)) ans = 0.52043 (追記 2008/6/18 23:23 …</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2008-06-18 00:00:00</published>
  <title> Octaveでのマンハッタン距離の求め方</title>
  <type>rich</type>
  <url>https://chiko.hatenadiary.org/entry/20080618/p1</url>
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