japanese translation updated for linear-algebra.
[scilab.git] / scilab / modules / linear_algebra / help / ja_JP / linear / inv.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2
3 <!--
4  * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
5  * Copyright (C) 2008 - INRIA
6  * 
7  * This file must be used under the terms of the CeCILL.
8  * This source file is licensed as described in the file COPYING, which
9  * you should have received as part of this distribution.  The terms
10  * are also available at    
11  * http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
12  *
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="inv">
16     
17     <refnamediv>
18         
19         <refname>inv</refname>
20         
21         <refpurpose>逆行列</refpurpose>
22         
23     </refnamediv>
24     
25     <refsynopsisdiv>
26         
27         <title>呼び出し手順</title>
28         
29         <synopsis>inv(X)</synopsis>
30         
31     </refsynopsisdiv>
32     
33     <refsection>
34         
35         <title>引数</title>
36         
37         <variablelist>
38             
39             <varlistentry>
40                 
41                 <term>X</term>
42                 
43                 <listitem>
44                     
45                     <para>実数または複素数の正方行列, 多項式行列および
46                         
47                         伝達関数または状態空間表現の有理行列.
48                         
49                     </para>
50                     
51                 </listitem>
52                 
53             </varlistentry>
54             
55         </variablelist>
56         
57     </refsection>
58     
59     <refsection>
60         
61         <title>説明</title>
62         
63         <para>
64             
65             <literal>inv(X)</literal> は,正方行列 <literal>X</literal>の逆行列
66             
67             となります. 
68             
69             <literal>X</literal> のスケーリングが
70             
71             悪い場合や特異行列に近い場合には警告を出力します.
72             
73         </para>
74         
75         <para>
76             
77             多項式行列または伝達関数表現の有理行列の場合,
78             
79             <literal>inv(X)</literal> は <literal>invr(X)</literal>に等しくなります.
80             
81         </para>
82         
83         <para>
84             
85             状態空間表現の線形システム(<literal>syslin</literal> リスト)の場合,
86             
87             <literal>invr(X)</literal> は <literal>invsyslin(X)</literal>に等しくなります.
88             
89         </para>
90         
91     </refsection>
92     
93     <refsection role="see also">
94         
95         <title>参照</title>
96         
97         <para>
98             
99             数値行列用の<literal>inv</literal> 関数は Lapack ルーチン
100             
101             DGETRF, DGETRI (実数行列の場合)および  ZGETRF, ZGETRI
102             
103             (複素数の場合)に基づいています.
104             
105             多項式および有理行列に関する <literal>inv</literal> は
106             
107             Scilab関数<literal>invr</literal>に基づいています.
108             
109         </para>
110         
111     </refsection>
112     
113     <refsection>
114         
115         <title>例</title>
116         
117         <programlisting role="example"><![CDATA[ 
118 A=rand(3,3);inv(A)*A
119 x=poly(0,'x');
120 A=[x,1,x;x^2,2,1+x;1,2,3];inv(A)*A
121 A=[1/x,2;2+x,2/(1+x)]
122 inv(A)*A
123 A=ssrand(2,2,3);
124 W=inv(A)*A
125 clean(ss2tf(W))
126  ]]></programlisting>
127         
128     </refsection>
129     
130     <refsection>
131         
132         <title>参考</title>
133         
134         <simplelist type="inline">
135             
136             <member>
137                 
138                 <link linkend="slash">slash</link>
139                 
140             </member>
141             
142             <member>
143                 
144                 <link linkend="backslash">backslash</link>
145                 
146             </member>
147             
148             <member>
149                 
150                 <link linkend="pinv">pinv</link>
151                 
152             </member>
153             
154             <member>
155                 
156                 <link linkend="qr">qr</link>
157                 
158             </member>
159             
160             <member>
161                 
162                 <link linkend="lufact">lufact</link>
163                 
164             </member>
165             
166             <member>
167                 
168                 <link linkend="lusolve">lusolve</link>
169                 
170             </member>
171             
172             <member>
173                 
174                 <link linkend="invr">invr</link>
175                 
176             </member>
177             
178             <member>
179                 
180                 <link linkend="coff">coff</link>
181                 
182             </member>
183             
184             <member>
185                 
186                 <link linkend="coffg">coffg</link>
187                 
188             </member>
189             
190         </simplelist>
191         
192     </refsection>
193     
194 </refentry>
195