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<?xml version="1.0" encoding="UTF-8"?>
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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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* 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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<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" version="5.0-subset Scilab" xml:lang="fr" xml:id="polar">
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<refname>polar</refname>
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<refpurpose> forme polaire </refpurpose>
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<title>Séquence d'appel</title>
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<synopsis>[Ro,Theta]=polar(A)</synopsis>
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<title>Paramètres</title>
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<para>matrice carrée réelle ou complexe
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<term>Ro, Theta </term>
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<para>matrices réelles
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<title>Description</title>
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<literal>[Ro,Theta]=polar(A)</literal> renvoie la forme polaire de
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<literal>A</literal> c'est à dire :<literal>A=Ro*expm(%i*Theta)</literal>
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<literal>Ro</literal> symétrique >=0 et <literal>Theta</literal>
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<title>Exemples</title>
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<programlisting role="example"><![CDATA[
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norm(A-Ro*expm(%i*Theta),1)
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<refsection role="see also">
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<title>Voir aussi</title>
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<simplelist type="inline">
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<link linkend="expm">expm</link>
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<link linkend="svd">svd</link>