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Scilab help >> Polynomials > colcompr

colcompr

column compression of polynomial matrix

Calling Sequence

[Y,rk,ac]=colcompr(A);

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
<< coffg Polynomials degree >>

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Last updated:
Wed Oct 05 12:09:56 CEST 2011