pol2des(1)

NAME
pol2des - polynomial matrix to descriptor form

CALLING SEQUENCE
[N,B,C]=pol2des(Ds)

PARAMETERS

Ds  : polynomial matrix

N, B, C
    : three real matrices

DESCRIPTION
Given the polynomial matrix Ds=D_0 +D_1 s +D_2 s^2 +... +D_k s^k, pol2des returns three matrices N, B, C, with N nilpotent such that:

Ds = C (sN-Eye)^-1 B

SEE ALSO
ss2des, tf2des

AUTHOR
F.D.