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<?xml version="1.0" encoding="UTF-8"?>
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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="signm" xml:lang="fr">
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<refname>signm</refname>
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<refpurpose>fonction signe matriciel</refpurpose>
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<title>Description</title>
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<para>Pour les matrices symétriques et hermitiennes
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<literal>X=signm(A)</literal> calcule la fonction signe matriciel.
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<title>Exemples</title>
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<programlisting role="example"><![CDATA[
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A=rand(4,4);B=A+A';X=signm(B);spec(B),spec(X)
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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="sign">sign</link>