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  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2012-08-30 14:42:38 UTC
  • mfrom: (1.4.7)
  • Revision ID: package-import@ubuntu.com-20120830144238-c1y2og7dbm7m9nig
Tags: 5.4.0-beta-3-1~exp1
* New upstream release
* Update the scirenderer dep
* Get ride of libjhdf5-java dependency

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modules/elementary_functions/help/pt_BR/trigonometry/asec.xml
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 * Ajouter ici d'éventuels commentaires sur le fichier XML
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-->
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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" version="5.0-subset Scilab" xml:id="asec" xml:lang="en">
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  <refnamediv>
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    <refname>asec</refname>
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    <refpurpose>computa o arco-secante elemento a elemento do
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      argumento
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    </refpurpose>
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  </refnamediv>
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  <refsynopsisdiv>
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    <title>Seqüência de Chamamento</title>
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    <synopsis>y = asec(x)</synopsis>
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  </refsynopsisdiv>
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  <refsection>
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    <title>Parâmetros</title>
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    <variablelist>
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      <varlistentry>
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        <term>x</term>
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        <listitem>
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          <para>array de reais ou complexos</para>
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        </listitem>
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      </varlistentry>
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      <varlistentry>
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        <term>y</term>
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        <listitem>
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          <para>array de reais ou complexos</para>
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        </listitem>
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      </varlistentry>
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    </variablelist>
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  </refsection>
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  <refsection>
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    <title>Descrição</title>
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    <para>computa o arco-secante elemento a elemento do argumento. Para
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      valores reais com valores absolutos maiores que 1, o resultado é
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      real
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    </para>
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    <para>
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      As seguintes igualdades se verificam: <literal>asec(z) = -acsc(-z) =
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        asin(1/z) = %pi/2-asec(x) = %i*acsch(%i*z)
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      </literal>
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    </para>
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  </refsection>
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  <refsection>
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    <title>Exemplos</title>
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    <programlisting role="example"><![CDATA[ 
 
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    <refnamediv>
 
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        <refname>asec</refname>
 
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        <refpurpose>computa o arco-secante elemento a elemento do
 
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            argumento
 
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        </refpurpose>
 
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    </refnamediv>
 
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    <refsynopsisdiv>
 
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        <title>Seqüência de Chamamento</title>
 
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        <synopsis>y = asec(x)</synopsis>
 
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    </refsynopsisdiv>
 
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    <refsection>
 
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        <title>Parâmetros</title>
 
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        <variablelist>
 
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            <varlistentry>
 
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                <term>x</term>
 
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                <listitem>
 
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                    <para>array de reais ou complexos</para>
 
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                </listitem>
 
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            </varlistentry>
 
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            <varlistentry>
 
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                <term>y</term>
 
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                <listitem>
 
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                    <para>array de reais ou complexos</para>
 
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                </listitem>
 
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            </varlistentry>
 
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        </variablelist>
 
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    </refsection>
 
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    <refsection>
 
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        <title>Descrição</title>
 
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        <para>computa o arco-secante elemento a elemento do argumento. Para
 
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            valores reais com valores absolutos maiores que 1, o resultado é
 
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            real
 
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        </para>
 
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        <para>
 
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            As seguintes igualdades se verificam: <literal>asec(z) = -acsc(-z) =
 
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                asin(1/z) = %pi/2-asec(x) = %i*acsch(%i*z)
 
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            </literal>
 
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        </para>
 
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    </refsection>
 
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    <refsection>
 
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        <title>Exemplos</title>
 
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        <programlisting role="example"><![CDATA[ 
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x=[1 2 -2 sqrt(2) -sqrt(2) 2/sqrt(3) -2/sqrt(3) -1];
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asec(x)/%pi
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 ]]></programlisting>
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  </refsection>
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  <refsection>
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    <title>Ver Também</title>
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    <simplelist type="inline">
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      <member>
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        <link linkend="sec">sec</link>
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      </member>
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      <member>
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        <link linkend="asecd">asecd</link>
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      </member>
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      <!--<member>
 
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    </refsection>
 
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    <refsection>
 
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        <title>Ver Também</title>
 
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        <simplelist type="inline">
 
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            <member>
 
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                <link linkend="sec">sec</link>
 
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            </member>
 
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            <member>
 
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                <link linkend="asecd">asecd</link>
 
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            </member>
 
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            <!--<member>
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        <link linkend="csgn">csgn</link>
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      </member>-->
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    </simplelist>
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  </refsection>
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  <refsection>
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    <title>Referências</title>
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    <simplelist type="vert">
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      <member>Kahan, W., "Branch cuts for complex elementary functions, or,
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        Much ado about nothing's sign bit", Proceedings of the joing IMA/SIAM
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        conference on The State of the Art in Numerical Analysis, University of
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        Birmingham, A. Iserles and M.J.D. Powell, eds, Clarendon Press, Oxford,
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        1987, 165-210.
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      </member>
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    </simplelist>
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  </refsection>
 
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        </simplelist>
 
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    </refsection>
 
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    <refsection>
 
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        <title>Referências</title>
 
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        <simplelist type="vert">
 
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            <member>Kahan, W., "Branch cuts for complex elementary functions, or,
 
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                Much ado about nothing's sign bit", Proceedings of the joing IMA/SIAM
 
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                conference on The State of the Art in Numerical Analysis, University of
 
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                Birmingham, A. Iserles and M.J.D. Powell, eds, Clarendon Press, Oxford,
 
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                1987, 165-210.
 
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            </member>
 
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        </simplelist>
 
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    </refsection>
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</refentry>