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scilab 2.6-4
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plzr             Scilab Group             Scilab Function              plzr
NAME
   plzr - pole-zero plot
  
CALLING SEQUENCE
 plzr(sl) 
PARAMETERS
 sl         : list ( syslin)
            
DESCRIPTION
   produces a pole-zero plot of the linear system sl (syslin list)
  
EXAMPLE
 s=poly(0,'s');
 n=[1+s   2+3*s+4*s^2        5; 0        1-s             s];
 d=[1+3*s   5-s^3           s+1;1+s     1+s+s^2      3*s-1];
 h=syslin('c',n./d); 
 plzr(h);
SEE ALSO
   trzeros, roots, syslin