colcompr

Arguments

A

polynomial matrix

Y

square polynomial matrix (right unimodular basis)

rk

normal rank of A

Ac

Ac=A*Y, polynomial matrix

Description

column compression of polynomial matrix A (compression to the left)

Examples

s=poly(0,'s');
p=[s;s*(s+1)^2;2*s^2+s^3];
[Y,rk,ac]=colcompr(p*p');
p*p'*Y

See also

• rowcompr — row compression of polynomial matrix