japanese translation updated.
[scilab.git] / scilab / modules / sparse / help / ja_JP / chfact.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2
3 <!--
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5  * Copyright (C) 2008 - INRIA
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11  * http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
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13  -->
14
15 <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" xmlns:scilab="http://www.scilab.org" xml:lang="ja" xml:id="chfact">
16     
17     <refnamediv>
18         
19         <refname>chfact</refname>
20         
21         <refpurpose>疎行列のコレスキー分解</refpurpose>
22         
23     </refnamediv>
24     
25     <refsynopsisdiv>
26         
27         <title>呼び出し手順</title>
28         
29         <synopsis>spcho=chfact(A)</synopsis>
30         
31     </refsynopsisdiv>
32     
33     <refsection>
34         
35         <title>引数</title>
36         
37         <variablelist>
38             
39             <varlistentry>
40                 
41                 <term>A</term>
42                 
43                 <listitem>
44                     
45                     <para>正方正定対称疎行列</para>
46                     
47                 </listitem>
48                 
49             </varlistentry>
50             
51             <varlistentry>
52                 
53                 <term>spcho</term>
54                 
55                 <listitem>
56                     
57                     <para>コード形式のコレスキー分解を含むリスト</para>
58                     
59                 </listitem>
60                 
61             </varlistentry>
62             
63         </variablelist>
64         
65     </refsection>
66     
67     <refsection>
68         
69         <title>説明</title>
70         
71         <para>
72             
73             <literal>spcho=chfact(A)</literal> は,
74             
75             正定対称行列と仮定して疎行列<literal>A</literal>の
76             
77             コレスキー分解を計算します.
78             
79             この関数は,Ng-Peyton プログラム (ORNL)に基づいています.
80             
81             <literal>spcho</literal>の変数の詳細な説明については,
82             
83             Fortran プログラムを参照ください.
84             
85             この関数は <literal>chsolve</literal>と共に使用されます.
86             
87         </para>
88         
89     </refsection>
90     
91     <refsection>
92         
93         <title>例</title>
94         
95         <programlisting role="example"><![CDATA[ 
96 A=sprand(20,20,0.1);
97 A=A*A'+eye();  
98 chfact(A)
99
100 sol=(1:20)';
101 rhs=A*sol;
102 chfact(A)
103  ]]></programlisting>
104         
105     </refsection>
106     
107     <refsection role="see also">
108         
109         <title>参照</title>
110         
111         <simplelist type="inline">
112             
113             <member>
114                 
115                 <link linkend="chsolve">chsolve</link>
116                 
117             </member>
118             
119             <member>
120                 
121                 <link linkend="sparse">sparse</link>
122                 
123             </member>
124             
125             <member>
126                 
127                 <link linkend="lufact">lufact</link>
128                 
129             </member>
130             
131             <member>
132                 
133                 <link linkend="luget">luget</link>
134                 
135             </member>
136             
137             <member>
138                 
139                 <link linkend="spchol">spchol</link>
140                 
141             </member>
142             
143         </simplelist>
144         
145     </refsection>
146     
147 </refentry>
148