File: ss2tf.cat

package info (click to toggle)
scilab 2.6-4
  • links: PTS
  • area: non-free
  • in suites: woody
  • size: 54,632 kB
  • ctags: 40,267
  • sloc: ansic: 267,851; fortran: 166,549; sh: 10,005; makefile: 4,119; tcl: 1,070; cpp: 233; csh: 143; asm: 135; perl: 130; java: 39
file content (32 lines) | stat: -rw-r--r-- 809 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
ss2tf            Scilab Group            Scilab Function              ss2tf
NAME
   ss2tf - conversion from state-space to transfer function
  
CALLING SEQUENCE
 [h]=ss2tf(sl) 
 [Ds,NUM,chi]=ss2tf(sl)
PARAMETERS
 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.
  
EXAMPLE
 s=poly(0,'s');
 h=[1,1/s;1/(s^2+1),s/(s^2-2)]
 sl=tf2ss(h);
 h=clean(ss2tf(sl))
 [Ds,NUM,chi]=ss2tf(sl)
SEE ALSO
   tf2ss, syslin, nlev, glever