File: contrss.cat

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contrss(1)                     Scilab Function                     contrss(1)
NAME
  contrss - controllable part

CALLING SEQUENCE
  [slc]=contrss(sl [,tol])

PARAMETERS

  sl   : linear system (syslin list)

  tol  : is a threshold for controllability (see contr). default value is
       sqrt(%eps).

DESCRIPTION
  returns the controllable part of the linear system sl = (A,B,C,D) in
  state-space form.

EXAMPLE
  A=[1,1;0,2];B=[1;0];C=[1,1];sl=syslin('c',A,B,C);  //Non minimal
  slc=contrss(sl);
  sl1=ss2tf(sl);sl2=ss2tf(slc);      //Compare sl1 and sl2

SEE ALSO
  cont_mat, ctr_gram, cont_frm, contr