Merge remote-tracking branch 'origin/6.1'
[scilab.git] / scilab / modules / elementary_functions / help / ja_JP / discrete / rat.xml
index 65b7b8a..0b7c22d 100644 (file)
 <?xml version="1.0" encoding="UTF-8"?>
+
 <!--
  * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
  * Copyright (C) 2008 - INRIA
- * 
- * This file must be used under the terms of the CeCILL.
- * This source file is licensed as described in the file COPYING, which
- * you should have received as part of this distribution.  The terms
- * are also available at    
- * http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ * Copyright (C) 2012 - 2016 - Scilab Enterprises
+ *
+ * This file is hereby licensed under the terms of the GNU GPL v2.0,
+ * pursuant to article 5.3.4 of the CeCILL v.2.1.
+ * This file was originally licensed under the terms of the CeCILL v2.1,
+ * and continues to be available under such terms.
+ * For more information, see the COPYING file which you should have received
+ * along with this program.
  *
  -->
+
 <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="rat" xml:lang="ja">
+
     <refnamediv>
+
         <refname>rat</refname>
+
         <refpurpose>浮動小数点数の有理数近似</refpurpose>
+
     </refnamediv>
+
     <refsynopsisdiv>
+
         <title>呼び出し手順</title>
-        <synopsis>[N,D]=rat(x [,tol])
-            y=rat(x [,tol])
+
+        <synopsis>[N,D]=rat(X [,tol])
+
+            Y=rat(X [,tol])
+
         </synopsis>
+
     </refsynopsisdiv>
+
     <refsection>
-        <title>パラメータ</title>
+
+        <title>引数</title>
+
         <variablelist>
+
             <varlistentry>
-                <term>x</term>
+
+                <term>X</term>
+
                 <listitem>
+
                     <para>実数のベクトルまたは行列</para>
+
+                </listitem>
+
+            </varlistentry>
+
+            <varlistentry>
+
+                <term>tol</term>
+
+                <listitem>
+
+                    <para>正の実数スカラー, 許容誤差 (下記参照). デフォルト値は1d-6.</para>
+
                 </listitem>
+
             </varlistentry>
+
             <varlistentry>
-                <term>n</term>
+
+                <term>N</term>
+
                 <listitem>
+
                     <para>整数のベクトルまたは行列</para>
+
                 </listitem>
+
             </varlistentry>
+
             <varlistentry>
-                <term>d</term>
+
+                <term>D</term>
+
                 <listitem>
+
                     <para>整数のベクトルまたは行列</para>
+
                 </listitem>
+
             </varlistentry>
+
             <varlistentry>
-                <term>y</term>
+
+                <term>Y</term>
+
                 <listitem>
+
                     <para>実数のベクトルまたは行列</para>
+
                 </listitem>
+
             </varlistentry>
+
         </variablelist>
+
     </refsection>
+
     <refsection>
+
         <title>説明</title>
+
         <para>
-            <literal>[N,D] = rat(x,tol)</literal> は,
-            <literal>abs(N./D - X) &lt;= tol*abs(x)</literal>の意味で
-            <literal>N./D</literal>が<literal>x</literal>に近くなるような
+
+            <literal>[N,D] = rat(X,tol)</literal> は,
+
+            <literal>abs(N./D - X) &lt;= tol*norm(X,1)*abs(X)</literal>の基準で
+
+            <literal>N./D</literal>が<literal>X</literal>に近くなるような
+
             2つの整数行列を返します.
+
+        </para>
+
+        <para>
+
+            <literal>y=rat(x,tol)</literal> は商
+
+            <literal>N./D</literal>を返します.
+
+        </para>
+
+        <para>
+
             有理数近似は分数展開を丸めることにより生成されます.
-            デフォルトは
-            <literal>tol = 1.e-6*norm(X,1)</literal> です. <literal>y =
-                rat(x,tol)
-            </literal>
-            は商 <literal>N./D</literal>を返します.
+
         </para>
+
     </refsection>
+
     <refsection>
+
         <title>例</title>
-        <programlisting role="example"><![CDATA[ 
+
+        <programlisting role="example"><![CDATA[
+[n,d]=rat([3.5, 1.333333,-0.8])
 [n,d]=rat(%pi)
 [n,d]=rat(%pi,1.d-12)
 n/d-%pi
  ]]></programlisting>
+
     </refsection>
+
     <refsection role="see also">
+
         <title>参照</title>
+
         <simplelist type="inline">
+
             <member>
+
                 <link linkend="int">int</link>
+
             </member>
+
             <member>
+
                 <link linkend="round">round</link>
+
             </member>
+
         </simplelist>
+
     </refsection>
+
 </refentry>
+