Préconditionneur
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In mathematics, preconditioning is the application of a transformation, called the preconditioner, that conditions a given problem into a form that is more suitable for numerical solving methods. Preconditioning is typically related to reducing a condition number of the problem. The preconditioned problem is then usually solved by an iterative method.
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En algèbre linéaire et en analyse numérique, un préconditionneur d'une matrice est une matrice telle que le conditionnement de est plus petit que celui de .
Abstract from DBpedia / Wikipedia · CC BY-SA