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sciences naturelles et appliquées - techdico
Application equilibre d'un espace homogène... On a en effet, H =-L::f;=18x,aij(x)8xj ' où (a'3(x)) est une matrice semi-définie positive....
Complexity of the positive semidefinite matrix completion problem with a rank constraint.htmlabstractWe consider the decision problem asking whether a partial rational symmetric matrix with an all-ones diagonal can be completed to a full positive semidefinite matrix of rank at most k....
général - core.ac.uk - PDF: lmrs.univ-rouen.frgénéral - core.ac.uk - PDF: www.loc.gov
Minimisation of functions of a positive semidefinite matrix a subject to ax = 0 AbstractA common problem in multivariate analysis is that of minimising or maximising a function f of a positive semidefinite matrix A subject possibly to AX = 0....
The jordan cononical form of a product of a hermitian and a positive semidefinite matrix AbstractA given square complex matrix C is the product of a positive semidefinite matrix A and a Hermitian matrix B if and only if C2 is diagonalizable and has nonnegative eigenvalues....
Some eigenvalue inequalities for positive semidefinite matrix power products AbstractWe study the eigenvalues of positive semidefinite matrix power products and obtain some inequalities, most of which are in terms of majorization....
Complexity of the positive semidefinite matrix completion problem with a rank constraintWe consider the decision problem asking whether a partial rational symmetric matrix with an all-ones diagonal can be completed to a full positive semidefinite matrix of rank at most k....

Exemples français - anglais

chimie - iate.europa.eu
chimie - iate.europa.eu

Traductions en contexte français - anglais

2. ∇2 f (x) est une matrice semi-définie positive.

where F ∈ ℝ2×2 is a symmetric positive definite gain matrix.

général - CCMatrix (Wikipedia + CommonCrawl)
Un opérateur de projection sur ensembles convexes est défini et convertit la matrice correspondant au modèle en une matrice semi-définie positive.

A Projection Onto Convex Sets ("POCS") operator is defined that converts the matrix corresponding to the model to a positive semi-definite matrix.

industrie mécanique - wipo.int
Inversement, toute matrice semi-définie positive hermitienne M peut être écrite comme M = LL *, où L est triangulaire inférieure; C`est la décomposition Cholesky.

Conversely, any Hermitian positive semi-definite matrix M {\displaystyle M} can be written as M = L L ∗ {\displaystyle M=LL^{*}} , where L {\displaystyle L} is lower triangular; this is the Cholesky decomposition.

général - CCMatrix (Wikipedia + CommonCrawl)


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