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Manuel Scilab >> Polynômes > htrianr

htrianr

triangularisation d'une matrice de polynômes

Séquence d'appel

[Ar,U,rk]=htrianr(A)

Paramètres

A

matrice de polynômes

Ar

matrice de polynômes

U

matrice unimodulaire de polynômes

rk

entier, le rang normal de A

Description

triangularisation de la matrice de polynômes A.

A de taille [m,n], m <= n.

Ar=A*U

Exemples

x=poly(0,'x');
M=[x;x^2;2+x^3]*[1,x-2,x^4];
[Mu,U,rk]=htrianr(M)
det(U)
M*U(:,1:2)

Voir Aussi

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Last updated:
Wed Jan 26 16:24:12 CET 2011