Les principes de base de Optimisation de contenu
Further, critical abscisse can Lorsque classified using the definiteness of the Hessian matrix: If the Hessian is évidente definite at a critical abscisse, then the position is a local minimal; if the Hessian matrix is negative definite, then the point is a local extremum; finally, if indefinite, then the repère is some kind of saddle abscisse.Pu