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Aide Scilab >> CACSD > contrss

contrss

controllable part

Calling Sequence

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

Arguments

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.

Examples

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 — controllability matrix
  • ctr_gram — controllability gramian
  • cont_frm — transfer to controllable state-space
  • contr — controllability, controllable subspace, staircase
<< contr CACSD copfac >>

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Last updated:
Wed Oct 05 12:10:48 CEST 2011