rowcomprX(1)

NAME
rowcompr - row compression of polynomial matrix

CALLING SEQUENCE
[X,rk,Ac]=rowcompr(A)

PARAMETERS

A   : polynomial matrix

Y   : square polynomial matrix (left unimodular basis)

rk  : normal rank of A

Ac  : Ac=X*A, polynomial matrix

DESCRIPTION
row compression of polynomial matrix A .

X is a left polynomial unimodular basis wich row compresse thee rows of A. rk is the normal rank of A.

Warning: elimination of "small" terms (use with care!).

SEE ALSO
colcompr