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<?xml version="1.0" encoding="UTF-8"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) XXXX-2008 - INRIA
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
-->
<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="spget">
<info>
<pubdate>$LastChangedDate$</pubdate>
</info>
<refnamediv>
<refname>spget</refname>
<refpurpose>疎行列のエントリを取得</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>呼び出し手順</title>
<synopsis>[ij,v,mn]=spget(sp)</synopsis>
</refsynopsisdiv>
<refsection>
<title>パラメータ</title>
<variablelist>
<varlistentry>
<term>sp</term>
<listitem>
<para>実数または複素数の疎行列</para>
</listitem>
</varlistentry>
<varlistentry>
<term>ij</term>
<listitem>
<para>2列の整数行列t (非ゼロエントリのインデックス)</para>
</listitem>
</varlistentry>
<varlistentry>
<term>mn</term>
<listitem>
<para>2つのエントリ(行の次元, 列の次元)を有する整数ベクトル</para>
</listitem>
</varlistentry>
<varlistentry>
<term>v</term>
<listitem>
<para>列ベクトル</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>説明</title>
<para><literal>spget</literal> は疎行列の内部形式を
標準的な<literal>ij, v</literal> 形式に変換する際に使用されます.</para>
<para>
<literal>sp</literal>の非ゼロエントリは,
<literal>ij</literal>のインデックスにより行および列の
位置が決定されます.</para>
</refsection>
<refsection>
<title>例</title>
<programlisting role="example"><![CDATA[
sp=sparse([1,2;4,5;3,10],[1,2,3])
[ij,v,mn]=spget(sp);
]]></programlisting>
</refsection>
<refsection role="see also">
<title>参照</title>
<simplelist type="inline">
<member>
<link linkend="sparse">sparse</link>
</member>
<member>
<link linkend="sprand">sprand</link>
</member>
<member>
<link linkend="speye">speye</link>
</member>
<member>
<link linkend="lufact">lufact</link>
</member>
</simplelist>
</refsection>
</refentry>
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