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Aide de Scilab >> CACSD (Computer Aided Control Systems Design) > copfac

copfac

right coprime factorization of continuous time dynamical systems

Calling Sequence

[N,M,XT,YT]=copfac(G [,polf,polc,tol])

Arguments

G

a continuous-time linear dynamical system.

polf, polc

respectively the poles of XT and YT and the poles of n and M (default values =-1).

tol

real threshold for detecting stable poles (default value 100*%eps)

N,M,XT,YT

continuous-time linear dynamical systems.

Description

[N,M,XT,YT]=copfac(G,[polf,polc,[tol]]) returns a right coprime factorization of G.

G= N*M^-1 where N and M are stable, proper and right coprime. (i.e. [N M] left-invertible with stability)

XT and YT satisfy:

[XT -YT].[M N]' = eye (Bezout identity)

G is assumed stabilizable and detectable.

See Also

  • syslin — définition d'un système dynamique linéaire
  • lcf — Continuous time dynamical systems normalized coprime factorization

History

VersionDescription
5.4.0 Sl is now checked for continuous time linear dynamical system. This modification has been introduced by this commit
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Last updated:
Thu Oct 02 13:54:31 CEST 2014