<?xml version="1.0" encoding="UTF-8"?>
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 * pursuant to article 5.3.4 of the CeCILL v.2.1.
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<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="tanh" xml:lang="ru">
    <refnamediv>
        <refname>tanh</refname>
        <refpurpose>гиперболический тангенс</refpurpose>
    </refnamediv>
    <refsynopsisdiv>
        <title>Синтаксис</title>
        <synopsis>t = tanh(x)</synopsis>
    </refsynopsisdiv>
    <refsection>
        <title>Описание</title>
        <para>
            Элементы <varname>t</varname> являются гиперболическим тангенсом элементов <varname>x</varname>.
        </para>
    </refsection>
    <refsection>
        <title>Образец</title>
        <scilab:image>
            x=-%pi:0.01:%pi;
            plot(x,tanh(x))
        </scilab:image>
    </refsection>
    <refsection>
        <title>Примеры</title>
        <programlisting role="example"><![CDATA[
x=[1,%i,-1,-%i]
tanh(x)
sinh(x)./cosh(x)
 ]]></programlisting>
    </refsection>
    <refsection role="see also">
        <title>Смотрите также</title>
        <simplelist type="inline">
            <member>
                <link linkend="atanh">atanh</link>
            </member>
            <member>
                <link linkend="tan">tan</link>
            </member>
            <member>
                <link linkend="tanhm">tanhm</link>
            </member>
        </simplelist>
    </refsection>
    <refsection role="history">
        <title>История</title>
        <revhistory>
            <revision>
                <revnumber>6.1.0</revnumber>
                <revdescription>
                    Расширение до разрежённых матриц.
                </revdescription>
            </revision>
        </revhistory>
    </refsection>
</refentry>
