translation updated for sparse.
[scilab.git] / scilab / modules / sparse / help / ja_JP / decomposition / ludel.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2
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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="ludel">
16     
17     <refnamediv>
18         
19         <refname>ludel</refname>
20         
21         <refpurpose>lufactで使用されるユーティリティ関数</refpurpose>
22         
23     </refnamediv>
24     
25     <refsynopsisdiv>
26         
27         <title>呼び出し手順</title>
28         
29         <synopsis>ludel(hand)</synopsis>
30         
31     </refsynopsisdiv>
32     
33     <refsection>
34         
35         <title>引数</title>
36         
37         <variablelist>
38             
39             <varlistentry>
40                 
41                 <term>hand</term>
42                 
43                 <listitem>
44                     
45                     <para>疎行列LU分解のハンドル (lufactの出力)</para>
46                     
47                 </listitem>
48                 
49             </varlistentry>
50             
51         </variablelist>
52         
53     </refsection>
54     
55     <refsection>
56         
57         <title>説明</title>
58         
59         <para>
60             
61             この関数は,<literal>lufact</literal>と組み合わせて使用されます.
62             
63             この関数は,<literal>lufact</literal>の結果を保存するために使用される
64             
65             内部メモリ空間を消去します.
66             
67         </para>
68         
69         <para>
70             
71             一連のコマンド,<literal>[p,r]=lufact(A);x=lusolve(p,b);ludel(p);</literal>
72             
73             により線形疎行列システム<literal>A*x = b</literal>を解き,
74             
75             <literal>p</literal>を消去することができます.
76             
77         </para>
78         
79     </refsection>
80     
81     <refsection>
82         
83         <title>例</title>
84         
85         <programlisting role="example"><![CDATA[ 
86 non_zeros=[1,2,3,4];
87 rows_cols=[1,1;2,2;3,3;4,4];
88 sp=sparse(rows_cols,non_zeros);
89 [h,rk]=lufact(sp);
90 x=lusolve(h,[1;1;1;1]);
91 ludel(h)
92 rk,sp*x
93  ]]></programlisting>
94         
95     </refsection>
96     
97     <refsection role="see also">
98         
99         <title>参照</title>
100         
101         <simplelist type="inline">
102             
103             <member>
104                 
105                 <link linkend="sparse">sparse</link>
106                 
107             </member>
108             
109             <member>
110                 
111                 <link linkend="lufact">lufact</link>
112                 
113             </member>
114             
115             <member>
116                 
117                 <link linkend="luget">luget</link>
118                 
119             </member>
120             
121         </simplelist>
122         
123     </refsection>
124     
125 </refentry>
126