japanese translation updated.
[scilab.git] / scilab / modules / elementary_functions / help / ja_JP / elementarymatrices / eye.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2
3 <!--
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5  * Copyright (C) 2008 - INRIA
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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:ns5="http://www.w3.org/1999/xhtml" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org" xml:id="eye" xml:lang="ja">
16     
17     <refnamediv>
18         
19         <refname>eye</refname>
20         
21         <refpurpose>単位行列</refpurpose>
22         
23     </refnamediv>
24     
25     <refsynopsisdiv>
26         
27         <title>呼び出し手順</title>
28         
29         <synopsis>X = eye(m,n)
30             
31             X = eye(A)
32             
33             X = eye()
34             
35         </synopsis>
36         
37     </refsynopsisdiv>
38     
39     <refsection>
40         
41         <title>引数</title>
42         
43         <variablelist>
44             
45             <varlistentry>
46                 
47                 <term>A,X</term>
48                 
49                 <listitem>
50                     
51                     <para>
52                         
53                         行列,ハイパー行列または <literal>syslin</literal> リスト
54                         
55                     </para>
56                     
57                 </listitem>
58                 
59             </varlistentry>
60             
61             <varlistentry>
62                 
63                 <term>m,n</term>
64                 
65                 <listitem>
66                     
67                     <para>
68                         
69                         整数値:  <varname>X</varname>の行および列の数
70                         
71                     </para>
72                     
73                 </listitem>
74                 
75             </varlistentry>
76             
77         </variablelist>
78         
79     </refsection>
80     
81     <refsection>
82         
83         <title>説明</title>
84         
85         <para>その引数に基づき, 
86             
87             <literal>m</literal>x<literal>n</literal> の
88             
89             主対角項に1を有する行列,または
90             
91             <literal>A</literal>と同じ次元の単位行列を返します.
92             
93             <varname>A</varname> がハイパー行列の場合, 
94             
95             <varname>X</varname> は,1から<literal>min(size(A))</literal>までの全ての
96             
97             <literal>i</literal>について,<literal>X(i,i,...,i) = 1</literal>として定義されます.
98             
99         </para>
100         
101         <warning>
102             
103             <literal>eye(10)</literal> は,
104             
105             <literal>A=10</literal>の時の <literal>eye(A)</literal> と
106             
107             解釈され,すなわち, <literal>1</literal>となります.
108             
109             (10x10の単位行列とはなりません!)
110             
111         </warning>
112         
113         <para>
114             
115             <literal>A</literal> が<literal>syslin</literal>リスト
116             
117             で表された線形システムの場合,
118             
119             <literal>eye(A)</literal>は適当な次元(出力の数x入力の数)の
120             
121             <literal>eye</literal>行列を返します.
122             
123         </para>
124         
125         <para>
126             
127             <literal>eye()</literal> は,
128             
129             次元が未定義の単位行列を返します.
130             
131             次元はこの単位行列が次元が固定した行列に加算される時に
132             
133             定義されます.
134             
135         </para>
136         
137     </refsection>
138     
139     <refsection>
140         
141         <title>例</title>
142         
143         <programlisting role="example"><![CDATA[
144 eye(2,3)
145 A=rand(2,3);eye(A)
146 s=poly(0,'s');A=[s,1;s,s+1];eye(A)
147 A=[1/s,1;s,2];eye(A);
148 A=ssrand(2,2,3);eye(A)
149 [1 2;3 4]+2*eye()
150 eye(zeros(4,4,4,4))
151  ]]></programlisting>
152         
153     </refsection>
154     
155     <refsection role="see also">
156         
157         <title>参照</title>
158         
159         <simplelist type="inline">
160             
161             <member>
162                 
163                 <link linkend="ones">ones</link>
164                 
165             </member>
166             
167             <member>
168                 
169                 <link linkend="zeros">zeros</link>
170                 
171             </member>
172             
173         </simplelist>
174         
175     </refsection>
176     
177     <refsection>
178         
179         <title>履歴</title>
180         
181         <revhistory>
182             
183             <revision>
184                 
185                 <revnumber>5.5.0</revnumber>
186                 
187                 <revdescription>
188                     
189                     <para>N-D ハイパー行列に一般化</para>
190                     
191                 </revdescription>
192                 
193             </revision>
194             
195         </revhistory>
196         
197     </refsection>
198     
199 </refentry>
200