<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
<!DOCTYPE MAN SYSTEM "../../manrev.dtd">
<MAN>
  <LANGUAGE>eng</LANGUAGE>
  <TITLE>fourplan</TITLE>
  <TYPE>Scilab Function</TYPE>
  <DATE>April 1993</DATE>
  <SHORT_DESCRIPTION name="fourplan"> augmented plant to four plants</SHORT_DESCRIPTION>
  <CALLING_SEQUENCE>
    <CALLING_SEQUENCE_ITEM>[P11,P12,P21,P22]=fourplan(P,r)  </CALLING_SEQUENCE_ITEM>
  </CALLING_SEQUENCE>
  <PARAM>
    <PARAM_INDENT>
      <PARAM_ITEM>
        <PARAM_NAME>P</PARAM_NAME>
        <PARAM_DESCRIPTION>
          <SP>: <VERB>syslin</VERB> list (linear system)</SP>
        </PARAM_DESCRIPTION>
      </PARAM_ITEM>
      <PARAM_ITEM>
        <PARAM_NAME>r</PARAM_NAME>
        <PARAM_DESCRIPTION>
          <SP>: 1x2 row vector, dimension of <VERB>P22</VERB></SP>
        </PARAM_DESCRIPTION>
      </PARAM_ITEM>
      <PARAM_ITEM>
        <PARAM_NAME>P11,P12,P21,P22</PARAM_NAME>
        <PARAM_DESCRIPTION>
          <SP>: <VERB>syslin</VERB> lists.</SP>
        </PARAM_DESCRIPTION>
      </PARAM_ITEM>
    </PARAM_INDENT>
  </PARAM>
  <DESCRIPTION>
    <P>
    Utility function.</P>
    <P><VERB>P</VERB> being partitioned as follows:</P>
    <VERBATIM>
<![CDATA[
P=[ P11 P12;
    P21 P22]  
   ]]>
    </VERBATIM>
    <P>
    with <VERB>size(P22)=r</VERB> this function returns the four linear systems <VERB>P11,P12,P21,P22</VERB>.</P>
  </DESCRIPTION>
  <SEE_ALSO>
    <SEE_ALSO_ITEM>
      <LINK>lqg</LINK>
    </SEE_ALSO_ITEM>
    <SEE_ALSO_ITEM>
      <LINK>lqg2stan</LINK>
    </SEE_ALSO_ITEM>
    <SEE_ALSO_ITEM>
      <LINK>lqr</LINK>
    </SEE_ALSO_ITEM>
    <SEE_ALSO_ITEM>
      <LINK>lqe</LINK>
    </SEE_ALSO_ITEM>
    <SEE_ALSO_ITEM>
      <LINK>lft</LINK>
    </SEE_ALSO_ITEM>
  </SEE_ALSO>
</MAN>
