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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="denom"> denominator</SHORT_DESCRIPTION>
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<CALLING_SEQUENCE_ITEM>den=denom(r) </CALLING_SEQUENCE_ITEM>
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<PARAM_NAME>r</PARAM_NAME>
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<SP>: rational or polynomial or constant matrix.</SP>
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<PARAM_NAME>den</PARAM_NAME>
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<SP>: polynomial matrix</SP>
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<P><VERB>den=denom(r)</VERB> returns the denominator of a rational matrix.</P>
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Since rationals are internally represented as
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<VERB>r=list(['r','num','den','dt'],num,den,[])</VERB>,
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<VERB>denom(r</VERB>) is the same as <VERB>r(3)</VERB>,
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<VERB>r('den')</VERB> or <VERB>r.den</VERB></P>