<?xml version="1.0" encoding="UTF-8"?>
<!--
 * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
 * Copyright (C) 2013 - Scilab Enterprises - Adeline CARNIS
 *
 * 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="percente" xml:lang="ja">
    <refnamediv>
        <refname>%e</refname>
        <refpurpose>オイラー数.</refpurpose>
    </refnamediv>
    <refsynopsisdiv>
        <title>呼び出し手順</title>
        <synopsis>%e</synopsis>
    </refsynopsisdiv>
    <refsection>
        <title>説明</title>
        <para>
            <literal>%e</literal> はオイラー数, つまり, 方程式 <emphasis>ln(x)=1</emphasis>の解です.
        </para>
        <para>
            この数は以下の式により得られます
            <latex>
                \sum_{n=0}^{\infty} \frac1{n!} = e
            </latex>
            .
        </para>
    </refsection>
    <refsection>
        <title>例</title>
        <programlisting role="example">
            <![CDATA[
        %e
        log(%e)
        ]]>
        </programlisting>
    </refsection>
    <refsection role="see also">
        <title>参照</title>
        <simplelist type="inline">
            <member>
                <link linkend="log">log</link>
            </member>
            <member>
                <link linkend="exp">exp</link>
            </member>
        </simplelist>
    </refsection>
</refentry>
