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  <author_name>totofuga</author_name>
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  <blog_title>totofugaのブログ</blog_title>
  <blog_url>https://totofuga.hateblo.jp/</blog_url>
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    <anon>perl</anon>
    <anon>アルゴリズム</anon>
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  <description>#!/usr/bin/perl use strict; use warnings; use Data::Dumper; my $a = [ [1, -1, 1], [2, 1, -3], [3, 2, -1], ]; my $b = [ [-5], [19], [16], ]; gauss_jordan($a, $b); print Dumper($a); print Dumper($b); sub gauss_jordan { my ($a, $b) = @_; my $n = scalar @$a; my $m = scalar @{$b-&gt;[0]}; my @check; my @swi…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2015-04-06 17:21:11</published>
  <title>gauss-jordan法</title>
  <type>rich</type>
  <url>https://totofuga.hateblo.jp/entry/2015/04/06/172111</url>
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