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  • Committer: Bazaar Package Importer
  • Author(s): Torsten Werner
  • Date: 2005-01-09 22:58:21 UTC
  • mfrom: (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20050109225821-473xr8vhgugxxx5j
Tags: 3.0-12
changed configure.in to build scilab's own malloc.o, closes: #255869

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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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<MAN>
 
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  <LANGUAGE>eng</LANGUAGE>
 
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  <TITLE>copfac</TITLE>
 
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  <TYPE>Scilab Function</TYPE>
 
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  <DATE>April 1993</DATE>
 
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  <SHORT_DESCRIPTION name="copfac"> right coprime factorization</SHORT_DESCRIPTION>
 
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  <CALLING_SEQUENCE>
 
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    <CALLING_SEQUENCE_ITEM>[N,M,XT,YT]=copfac(G [,polf,polc,tol])   </CALLING_SEQUENCE_ITEM>
 
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  </CALLING_SEQUENCE>
 
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  <PARAM>
 
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    <PARAM_INDENT>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>G</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: <VERB>syslin</VERB> list  (continuous-time linear system )</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>polf, polc</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: respectively the poles of <VERB>XT</VERB> and <VERB>YT</VERB> and the poles of <VERB>n</VERB>  and <VERB>M</VERB> (default values =-1).</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>tol</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: real threshold for detecting stable poles (default value <VERB>100*%eps</VERB>)</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>N,M,XT,YT</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: linear systems represented by <VERB>syslin</VERB> lists</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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    </PARAM_INDENT>
 
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  </PARAM>
 
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  <DESCRIPTION>
 
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    <P><VERB>[N,M,XT,YT]=copfac(G,[polf,polc,[tol]])</VERB> returns a right coprime factorization of <VERB>G</VERB>.</P>
 
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    <P><VERB>G = N*M^-1</VERB> where <VERB>N</VERB> and <VERB>M</VERB> are stable, proper and right coprime.
 
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    (i.e. <VERB>[N M]</VERB> left-invertible with stability)</P>
 
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    <P><VERB>XT</VERB> and <VERB>YT</VERB> satisfy:</P>
 
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    <P><VERB>[XT -YT].[M N]' = eye</VERB> (Bezout identity)</P>
 
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    <P><VERB>G</VERB> is assumed stabilizable and detectable.</P>
 
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  </DESCRIPTION>
 
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  <SEE_ALSO>
 
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    <SEE_ALSO_ITEM>
 
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      <LINK>syslin</LINK>
 
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    </SEE_ALSO_ITEM>
 
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    <SEE_ALSO_ITEM>
 
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      <LINK>lcf</LINK>
 
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    </SEE_ALSO_ITEM>
 
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  </SEE_ALSO>
 
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</MAN>