- Aide de Scilab
- Systèmes de Contrôle - CACSD
- Représentation de Systèmes Linéaires
- abcd
- arma
- arma2p
- arma2ss
- armac
- bloc2ss
- cont_frm
- des2ss
- des2tf
- frep2tf
- lsslist
- markp2ss
- pfss
- pol2des
- sm2des
- sm2ss
- ss2des
- ss2ss
- ss2tf
- ss2zp
- ssprint
- ssrand
- sysconv
- sysdiag
- syslin
- syssize
- systmat
- tf2des
- tf2ss
- tf2zp
- trfmod
- zp2ss
- zp2tf
- zpk
- zpk2ss
- zpk2tf
Please note that the recommended version of Scilab is 2024.1.0. This page might be outdated.
See the recommended documentation of this function
ss2tf
conversion from state-space to transfer function
Syntax
h = ss2tf(sl) h = ss2tf(sl,"b") h = ss2tf(sl,rmax) [Ds, NUM, chi] = ss2tf(..)
Arguments
- sl
linear system (
syslin
list)- h
transfer matrix
Description
Called with three outputs [Ds,NUM,chi]=ss2tf(sl)
returns
the numerator polynomial matrix NUM
, the characteristic
polynomial chi
and the polynomial part Ds
separately i.e.:
h = NUM/chi + Ds
Method:
One uses the characteristic polynomial and
det(A+Eij)=det(A)+C(i,j)
where C
is the adjugate
matrix of A
.
With rmax
or "b"
argument uses a block diagonalization of
sl.A matrix and applies "Leverrier" algorithm on blocks.
If given, rmax
controls the conditioning (see bdiag).
Examples
See also
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