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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>eng</LANGUAGE>
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<TYPE>Scilab Function</TYPE>
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<DATE>April 1993</DATE>
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<SHORT_DESCRIPTION name="polar"> polar form</SHORT_DESCRIPTION>
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<CALLING_SEQUENCE_ITEM>[Ro,Theta]=polar(A) </CALLING_SEQUENCE_ITEM>
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<PARAM_NAME>A</PARAM_NAME>
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<SP>: real or complex square matrix</SP>
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<PARAM_NAME>Ro, </PARAM_NAME>
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<SP>: real matrix</SP>
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<PARAM_NAME>Theta, </PARAM_NAME>
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<SP>: real or complex matrix</SP>
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<P><VERB>[Ro,Theta]=polar(A)</VERB> returns the polar form of
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<VERB>A</VERB> i.e. <VERB>A=Ro*expm(%i*Theta)</VERB><VERB>Ro</VERB> symmetric >=0 and <VERB>Theta</VERB> hermitian
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norm(A-Ro*expm(%i*Theta),1)
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<AUTHOR>F. Delebecque INRIA; ; </AUTHOR>