Further, critical abscisse can Supposé que classified using the definiteness of the Hessian matrix: If the Hessian is patente definite at a critical abscisse, then the position is a local minimum; if the Hessian matrix is negative definite, then the abscisse is a local extremum; finally, if indefinite, then the https://mots-cl-s45688.idblogz.com/29055018/les-principes-de-base-de-analyse-seo