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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="sqroot">
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<refname>sqroot</refname>
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<refpurpose> W*W' エルミート分解</refpurpose>
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<synopsis>sqroot(X)</synopsis>
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<para>対称非負定実または複素行列</para>
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<literal>X=W*W'</literal> となるようなWを返します(SVDを使用).
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<programlisting role="example"><![CDATA[
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X=rand(5,2)*rand(2,5);X=X*X';
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X=rand(5,2)+%i*rand(5,2);X=X*X';
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<refsection role="see also">
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<simplelist type="inline">
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<link linkend="chol">chol</link>
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<link linkend="svd">svd</link>