Scilab Function
Last update : April 1993
coff - resolvent (cofactor method)
Calling Sequence
- [N,d]=coff(M [,var])
Parameters
-
M: square real matrix
-
var: character string
-
N: polynomial matrix (same size as M)
-
d: polynomial (characteristic polynomial poly(A,'s'))
Description
coff computes R=(s*eye()-M)^-1 for M a real matrix.
R is given by N/d.
N = numerator polynomial matrix.
d = common denominator.
var character string ('s' if omitted)
Examples
M=[1,2;0,3];
[N,d]=coff(M)
N/d
inv(%s*eye()-M)
See Also
coffg, ss2tf, nlev, poly,