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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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<TITLE>colinout</TITLE>
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<TYPE>Scilab Function</TYPE>
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<DATE>April 1993</DATE>
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<SHORT_DESCRIPTION name="colinout"> inner-outer factorization</SHORT_DESCRIPTION>
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<CALLING_SEQUENCE_ITEM>[Inn,X,Gbar]=colinout(G) </CALLING_SEQUENCE_ITEM>
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<PARAM_NAME>G</PARAM_NAME>
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<SP>: linear system (<VERB>syslin</VERB> list) <VERB>[A,B,C,D]</VERB></SP>
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<PARAM_NAME>Inn</PARAM_NAME>
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<SP>: inner factor (<VERB>syslin</VERB> list)</SP>
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<PARAM_NAME>Gbar</PARAM_NAME>
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<SP>: outer factor (<VERB>syslin</VERB> list)</SP>
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<PARAM_NAME>X</PARAM_NAME>
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<SP>: row-compressor of <VERB>G</VERB> (<VERB>syslin</VERB> list)</SP>
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Inner-outer factorization (and column compression) of (lxp) <VERB>G =[A,B,C,D]</VERB> with l<=p.</P>
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<P><VERB>G</VERB> is assumed to be fat (<VERB>l<=p</VERB>) without zero on the imaginary axis
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and with a <VERB>D</VERB> matrix which is full row rank.</P>
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<P><VERB>G</VERB> must also be stable for having <VERB>Gbar</VERB> stable.</P>
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Dual of <VERB>rowinout</VERB>.</P>