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<?xml version="1.0" encoding="UTF-8"?>
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* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
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* Copyright (C) 2008 - INRIA
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* This file must be used under the terms of the CeCILL.
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* This source file is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at
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* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
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<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" version="5.0-subset Scilab" xml:lang="ja" xml:id="kernel">
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<refname>kernel</refname>
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<refpurpose> カーネル, ヌル空間</refpurpose>
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<synopsis>W=kernel(A [,tol,[,flag])</synopsis>
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<para>実数または複素数のフル行列または実数疎行列</para>
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文字列 <literal>'svd'</literal> (デフォルト) または <literal>'qr'</literal>
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<literal>W=kernel(A)</literal> は<literal>A</literal>のカーネル (ヌル空間)を返します.
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A が列フルランクの場合, 空の行列 [] が返されます.
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<literal>flag</literal> および <literal>tol</literal> は
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オプションのパラメータです: <literal>flag = 'qr'</literal>
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または <literal>'svd'</literal> (デフォルトは <literal>'svd'</literal>).
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<literal>tol</literal> = 許容誤差パラメータ (デフォルト値は <literal>%eps</literal> のオーダ).
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<programlisting role="example"><![CDATA[
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A=rand(3,1)*rand(1,3);
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<refsection role="see also">
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<simplelist type="inline">
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<link linkend="colcomp">colcomp</link>
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<link linkend="fullrf">fullrf</link>
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<link linkend="fullrfk">fullrfk</link>
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<link linkend="linsolve">linsolve</link>