Moved documentation pages where they belong
[scilab.git] / scilab / modules / polynomials / help / ja_JP / poly.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2 <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" version="5.0-subset Scilab" xml:lang="ja" xml:id="poly">
3   <info>
4     <pubdate>$LastChangedDate$</pubdate>
5   </info>
6   <refnamediv>
7     <refname>poly</refname>
8     <refpurpose> 多項式を定義する</refpurpose>
9   </refnamediv>
10   <refsynopsisdiv>
11     <title>呼び出し手順</title>
12     <synopsis>p=poly(a,vname, ["flag"])</synopsis>
13   </refsynopsisdiv>
14   <refsection>
15     <title>パラメータ</title>
16     <variablelist>
17       <varlistentry>
18         <term>a</term>
19         <listitem>
20           <para>行列または実数値</para>
21         </listitem>
22       </varlistentry>
23       <varlistentry>
24         <term>vname</term>
25         <listitem>
26           <para>文字列, 記号変数を表します. 文字列が4文字以上の場合,
27             最初の4文字のみが使用されます.
28           </para>
29         </listitem>
30       </varlistentry>
31       <varlistentry>
32         <term>"flag"  </term>
33         <listitem>
34           <para>文字列 ("roots", "coeff"), デフォルト値は
35             "roots"です.
36           </para>
37         </listitem>
38       </varlistentry>
39     </variablelist>
40   </refsection>
41   <refsection>
42     <title>説明</title>
43     <variablelist>
44       <varlistentry>
45         <term>a が行列の場合,</term>
46         <listitem>
47           <para>
48             <literal>p</literal> は特性多項式,すなわち 
49             <literal>determinant(x*eye()-a)</literal>となり, <literal>x</literal>が 
50             記号変数となります.
51           </para>
52         </listitem>
53       </varlistentry>
54       <varlistentry>
55         <term>v がベクトルの場合,</term>
56         <listitem>
57           <itemizedlist>
58             <listitem>
59               <para>
60                 <literal>poly(v,"x",["roots"])</literal>  は
61                 <literal>v</literal>のエントリを<literal>根(roots)</literal>とし,
62                 <literal>"x"</literal>を形式変数とする多項式となります
63                 (この場合,<literal>roots</literal>と<literal>poly</literal>は逆関数となります).
64                 根が無限大の場合,最高次の係数がゼロになることに注意してください.
65               </para>
66             </listitem>
67             <listitem>
68               <para>
69                 <literal>poly(v,"x","coeff")</literal> は記号を<literal>"x"</literal>
70                 とし,<literal>v</literal>のエントリを係数とする多項式を作成します
71                 (v(1)が多項式の定数項となります).
72                 (この場合, <literal>poly</literal> と <literal>coeff</literal> が逆関数となります)
73               </para>
74             </listitem>
75           </itemizedlist>
76         </listitem>
77       </varlistentry>
78     </variablelist>
79     <para>
80       <literal>s=poly(0,"s")</literal> は記号<literal>"s"</literal>を
81       用いた多項式を定義するための準備作業です.
82     </para>
83   </refsection>
84   <refsection>
85     <title>例</title>
86     <programlisting role="example"><![CDATA[ 
87 s=poly(0,"s");
88 p=1+s+2*s^2;
89 A=rand(2,2);
90 poly(A,"x")
91 //rational fractions
92 h=(1+2*%s)/poly(1:4,'s','c')
93  ]]></programlisting>
94   </refsection>
95   <refsection role="see also">
96     <title>参照</title>
97     <simplelist type="inline">
98       <member>
99         <link linkend="coeff">coeff</link>
100       </member>
101       <member>
102         <link linkend="roots">roots</link>
103       </member>
104       <member>
105         <link linkend="varn">varn</link>
106       </member>
107       <member>
108         <link linkend="horner">horner</link>
109       </member>
110       <member>
111         <link linkend="derivat">derivat</link>
112       </member>
113       <member>
114         <link linkend="matrices">matrices</link>
115       </member>
116       <member>
117         <link linkend="rational">rational</link>
118       </member>
119     </simplelist>
120   </refsection>
121 </refentry>