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scilab 2.6-4
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bstap            Scilab Group            Scilab Function              bstap
NAME
   bstap - hankel approximant
  
CALLING SEQUENCE
 [Q]=bstap(Sl)
PARAMETERS
 sl         : linear system (syslin list) assumed continuous-time and
            anti-stable.
            
 Q          : best stable approximation of Sl (syslin list).
            
DESCRIPTION
   Computes the best approximant Q of the linear system Sl
  
       ||Sl-Q||    =  ||T||
               inf
   where 
  
   ||T||
  
   is the  H-infinity norm of the Hankel operator associated with Sl.
  
SEE ALSO
   syslin