japanese translation updated for linear-algebra.
[scilab.git] / scilab / modules / linear_algebra / help / ja_JP / factorization / givens.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2
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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="givens">
16     
17     <refnamediv>
18         
19         <refname>givens</refname>
20         
21         <refpurpose>ギブンス変換</refpurpose>
22         
23     </refnamediv>
24     
25     <refsynopsisdiv>
26         
27         <title>呼び出し手順</title>
28         
29         <synopsis>U=givens(xy)
30             
31             U=givens(x,y)
32             
33             [U,c]=givens(xy)
34             
35             [U,c]=givens(x,y)
36             
37         </synopsis>
38         
39     </refsynopsisdiv>
40     
41     <refsection>
42         
43         <title>引数</title>
44         
45         <variablelist>
46             
47             <varlistentry>
48                 
49                 <term>x,y</term>
50                 
51                 <listitem>
52                     
53                     <para>実数または複素数</para>
54                     
55                 </listitem>
56                 
57             </varlistentry>
58             
59             <varlistentry>
60                 
61                 <term>xy</term>
62                 
63                 <listitem>
64                     
65                     <para>実数または複素数の要素数2の列ベクトル</para>
66                     
67                 </listitem>
68                 
69             </varlistentry>
70             
71             <varlistentry>
72                 
73                 <term>U</term>
74                 
75                 <listitem>
76                     
77                     <para>2x2 ユニタリ行列</para>
78                     
79                 </listitem>
80                 
81             </varlistentry>
82             
83             <varlistentry>
84                 
85                 <term>c</term>
86                 
87                 <listitem>
88                     
89                     <para>実数または複素数の要素数2の列ベクトル</para>
90                     
91                 </listitem>
92                 
93             </varlistentry>
94             
95         </variablelist>
96         
97     </refsection>
98     
99     <refsection>
100         
101         <title>説明</title><literal>xy = [x;y]</literal>として
102         
103         <para>
104             
105             <literal>U= givens(x, y)</literal> または <literal>U = givens(xy)</literal> 
106             
107             は,次のような<literal>2</literal>x<literal>2</literal> の
108             
109             ユニタリ行列 <literal>U</literal> を返します:
110             
111         </para>
112         
113         <para>
114             
115             <literal>U*xy=[r;0]=c</literal>.
116             
117         </para>
118         
119         <para>
120             
121             <note>
122                 
123                 <literal>givens(x,y)</literal> および <literal>givens([x;y])</literal> は等価であることに
124                 
125                 注意してください.
126                 
127             </note>
128             
129         </para>
130         
131     </refsection>
132     
133     <refsection>
134         
135         <title>例</title>
136         
137         <programlisting role="example"><![CDATA[ 
138 A=[3,4;5,6];
139 U=givens(A(:,1));
140 U*A
141  ]]></programlisting>
142         
143     </refsection>
144     
145     <refsection role="see also">
146         
147         <title>参照</title>
148         
149         <simplelist type="inline">
150             
151             <member>
152                 
153                 <link linkend="qr">qr</link>
154                 
155             </member>
156             
157         </simplelist>
158         
159     </refsection>
160     
161 </refentry>
162