<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
<!DOCTYPE MAN SYSTEM "../../manrev.dtd">
<MAN>
  <LANGUAGE>eng</LANGUAGE>
  <TITLE>solve</TITLE>
  <TYPE>Scilab Function</TYPE>
  <DATE>April 1993</DATE>
  <SHORT_DESCRIPTION name="solve"> symbolic linear system solver</SHORT_DESCRIPTION>
  <CALLING_SEQUENCE>
    <CALLING_SEQUENCE_ITEM>[x]=solve(A,b)  </CALLING_SEQUENCE_ITEM>
  </CALLING_SEQUENCE>
  <PARAM>
    <PARAM_INDENT>
      <PARAM_ITEM>
        <PARAM_NAME>A,b,x</PARAM_NAME>
        <PARAM_DESCRIPTION>
          <SP>: matrix (resp. vectors) of character strings</SP>
        </PARAM_DESCRIPTION>
      </PARAM_ITEM>
    </PARAM_INDENT>
  </PARAM>
  <DESCRIPTION>
    <P>
    solves <VERB>A*x = b</VERB> when <VERB>A</VERB> is an upper triangular matrix
    made of character strings.</P>
  </DESCRIPTION>
  <EXAMPLE>
<![CDATA[
A=['1','a';'0','2'];   //Upper triangular 
b=['x';'y'];
w=solve(A,b)
a=1;x=2;y=5;
evstr(w)
inv([1,1;0,2])*[2;5]
 ]]>
  </EXAMPLE>
  <SEE_ALSO>
    <SEE_ALSO_ITEM>
      <LINK>trianfml</LINK>
    </SEE_ALSO_ITEM>
  </SEE_ALSO>
</MAN>
