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<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
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<!DOCTYPE MAN SYSTEM "../../manrev.dtd">
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<LANGUAGE>fr</LANGUAGE>
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<TYPE>Scilab Function </TYPE>
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<DATE>April 1993 </DATE>
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<SHORT_DESCRIPTION name="sqroot"> factorisation hermitienne W*W' </SHORT_DESCRIPTION>
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<CALLING_SEQUENCE_ITEM>sqroot(X) </CALLING_SEQUENCE_ITEM>
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<PARAM_NAME>X </PARAM_NAME>
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: matrice complexe ou r�elle, sym�trique d�finie non-n�gative
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renvoie W telle que <VERB>X=W*W'</VERB> (en utilisant svd).
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X=rand(5,2)*rand(2,5);X=X*X';
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X=rand(5,2)+%i*rand(5,2);X=X*X';
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<SEE_ALSO_ITEM> <LINK>chol</LINK> </SEE_ALSO_ITEM> <SEE_ALSO_ITEM> <LINK>svd</LINK> </SEE_ALSO_ITEM>