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Viewing changes to modules/linear_algebra/help/pt_BR/glever.xml

  • 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/linear_algebra/help/pt_BR/glever.xml
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<!--
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 * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
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 * Copyright (C) 2008 - INRIA
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 * 
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 * This file must be used under the terms of the CeCILL.
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 * This source file is licensed as described in the file COPYING, which
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 * you should have received as part of this distribution.  The terms
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 * are also available at    
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 * http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
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 *
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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:ns4="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="glever" xml:lang="en">
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  <refnamediv>
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    <refname>glever</refname>
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    <refpurpose>inverso do feixe de matrizes</refpurpose>
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  </refnamediv>
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  <refsynopsisdiv>
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    <title> Seq��ncia de Chamamento </title>
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    <synopsis>[Bfs,Bis,chis]=glever(E,A [,s])</synopsis>
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  </refsynopsisdiv>
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  <refsection>
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    <title>Par�metros</title>
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    <variablelist>
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      <varlistentry>
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        <term>E, A</term>
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        <listitem>
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          <para>duas matrizes de reais quadradas de igual dimens�o</para>
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        </listitem>
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      </varlistentry>
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      <varlistentry>
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        <term>s</term>
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        <listitem>
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          <para>
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            string (o valor padr�o � '<literal>s</literal>')
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          </para>
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        </listitem>
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      </varlistentry>
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      <varlistentry>
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        <term>Bfs,Bis</term>
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        <listitem>
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          <para>duas matrizes de polin�mios </para>
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        </listitem>
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      </varlistentry>
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      <varlistentry>
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        <term>chis</term>
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        <listitem>
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          <para>polin�mio</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>Descri��o</title>
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    <para>Computa��o de</para>
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    <para>
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      <literal>(s*E-A)^-1</literal>
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    </para>
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    <para>pelo algoritmo generalizado de Leverrier para um feixe de
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      matrizes.
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    </para>
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    <programlisting role=""><![CDATA[ 
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(s*E-A)^-1 = (Bfs/chis) - Bis.
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 ]]></programlisting>
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    <para>
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      <literal>chis</literal> = polin�mio caracter�stico (at� uma
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      constante multiplicativa).
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    </para>
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    <para>
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      <literal>Bfs</literal> = nmatriz de polin�mios como
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      numerador.
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    </para>
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    <para>
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      <literal>Bis</literal> = matriz de polin�mios ( - expans�o de
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      <literal>(s*E-A)^-1</literal> ao infinito).
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    </para>
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    <para>
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      Note o sinal - antes de <literal>Bis</literal>.
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    </para>
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  </refsection>
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  <refsection>
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    <title>Cuidado </title>
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    <para>
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      Esta fun��o usa <literal>cleanp</literal> para simplificar
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      <literal>Bfs,Bis</literal> e <literal>chis</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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s=%s;F=[-1,s,0,0;0,-1,0,0;0,0,s-2,0;0,0,0,s-1];
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[Bfs,Bis,chis]=glever(F)
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inv(F)-((Bfs/chis) - Bis)
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 ]]></programlisting>
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  </refsection>
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  <refsection>
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    <title> Ver Tamb�m </title>
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    <simplelist type="inline">
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      <member>
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        <link linkend="rowshuff">rowshuff</link>
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      </member>
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      <member>
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        <link linkend="det">det</link>
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      </member>
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      <member>
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        <link linkend="invr">invr</link>
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      </member>
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      <member>
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        <link linkend="coffg">coffg</link>
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      </member>
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      <member>
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        <link linkend="pencan">pencan</link>
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      </member>
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      <member>
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        <link linkend="penlaur">penlaur</link>
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      </member>
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    </simplelist>
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  </refsection>
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</refentry>