File: tf2ss.cat

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scilab 2.6-4
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tf2ss            Scilab Group            Scilab Function              tf2ss
NAME
   tf2ss - transfer to state-space
  
CALLING SEQUENCE
 sl=tf2ss(h [,tol])
PARAMETERS
 h    : rational matrix
      
 tol  : may be the constant rtol or the 2 vector [rtol atol]
      
     rtol       :tolerance used when evaluating observability.
                
     atol       :absolute tolerance used when evaluating observability.
                
 sl   : linear system (syslin list sl=[A,B,C,D(s)])
      
DESCRIPTION
   transfer to state-space conversion: 
  
   h=C*(s*eye()-A)^-1*B+D(s)
  
EXAMPLE
 s=poly(0,'s');
 H=[2/s,(s+1)/(s^2-5)];
 Sys=tf2ss(H)
 clean(ss2tf(Sys))
SEE ALSO
   ss2tf, tf2des, des2tf