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Aide Scilab >> Algèbre Lineaire > Matrix Analysis > trace

trace

trace d'une matrice

Séquence d'appel

trace(X)

Paramètres

X

matrice carrée, réelle, complexe, polynomiale ou rationnelle.

Description

trace(X) calcule la trace de X.

Identique à sum(diag(X)).

Exemples

A=rand(3,3);
trace(A)-sum(spec(A))

Voir aussi

  • det — déterminant
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Last updated:
Mon Oct 01 17:37:13 CEST 2012