3d4b283c49bdbfe673dd6a5b4905453ae0bd8fa5
[scilab.git] / scilab / modules / sparse / help / ja_JP / chsolve.xml
1 <?xml version="1.0" encoding="UTF-8"?>
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13 <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="chsolve">
14     <refnamediv>
15         <refname>chsolve</refname>
16         <refpurpose>疎行列のコレスキーソルバ</refpurpose>
17     </refnamediv>
18     <refsynopsisdiv>
19         <title>呼び出し手順</title>
20         <synopsis>sol=chsolve(spcho,rhs)</synopsis>
21     </refsynopsisdiv>
22     <refsection>
23         <title>パラメータ</title>
24         <variablelist>
25             <varlistentry>
26                 <term>spcho</term>
27                 <listitem>
28                     <para>chfact から返されたコード形式のコレスキー分解を含むリスト</para>
29                 </listitem>
30             </varlistentry>
31             <varlistentry>
32                 <term>rhs, sol</term>
33                 <listitem>
34                     <para>フル列ベクトル</para>
35                 </listitem>
36             </varlistentry>
37         </variablelist>
38     </refsection>
39     <refsection>
40         <title>説明</title>
41         <para>
42             <literal>sol=chsolve(spcho,rhs)</literal> は,
43             <literal>A</literal>を疎行列の正定対称行列として
44             <literal>rhs=A*sol</literal>の解を計算します.
45             この関数は,Ng-Peyton プログラム (ORNL)に基づいています.
46             <literal>spcho</literal>の変数の詳細な説明については,
47             Fortran プログラムを参照ください.
48         </para>
49     </refsection>
50     <refsection>
51         <title>例</title>
52         <programlisting role="example"><![CDATA[ 
53 A=sprand(20,20,0.1);
54 A=A*A'+eye();  
55 spcho=chfact(A);
56 sol=(1:20)';rhs=A*sol;
57 spcho=chfact(A);
58 chsolve(spcho,rhs)
59  ]]></programlisting>
60     </refsection>
61     <refsection role="see also">
62         <title>参照</title>
63         <simplelist type="inline">
64             <member>
65                 <link linkend="chfact">chfact</link>
66             </member>
67             <member>
68                 <link linkend="sparse">sparse</link>
69             </member>
70             <member>
71                 <link linkend="lufact">lufact</link>
72             </member>
73             <member>
74                 <link linkend="luget">luget</link>
75             </member>
76             <member>
77                 <link linkend="spchol">spchol</link>
78             </member>
79         </simplelist>
80     </refsection>
81 </refentry>