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nonpositive matrix

См. также в других словарях:

  • Stieltjes matrix — In mathematics, particularly matrix theory, a Stieltjes matrix is a real symmetric positive definite matrix with nonpositive off diagonal entries. A Stieltjes matrix is necessarily an M matrix. Every n×n Stieltjes matrix is invertible to a… …   Wikipedia

  • Meijer G-function — In mathematics, the G function was introduced by Cornelis Simon Meijer (1936) as a very general function intended to include most of the known special functions as particular cases. This was not the only attempt of its kind: the generalized… …   Wikipedia

  • Bernoulli number — In mathematics, the Bernoulli numbers Bn are a sequence of rational numbers with deep connections to number theory. They are closely related to the values of the Riemann zeta function at negative integers. There are several conventions for… …   Wikipedia

  • Floquet theory — is a branch of the theory of ordinary differential equations relating to the class of solutions to linear differential equations of the form, :dot{x} = A(t) x,,with displaystyle A(t) a continuous periodic function with period T. The main theorem… …   Wikipedia

  • E₈ — In mathematics, E8 is the name given to a family of closely related structures. In particular, it is the name of four exceptional simple Lie algebras as well as that of the six associated simple Lie groups. It is also the name given to the… …   Wikipedia

  • Differential geometry of surfaces — Carl Friedrich Gauss in 1828 In mathematics, the differential geometry of surfaces deals with smooth surfaces with various additional structures, most often, a Riemannian metric. Surfaces have been extensively studied from various perspectives:… …   Wikipedia

  • Square root — Measured fall time of a small steel sphere falling from various heights. The data is in good agreement with the predicted fall time of , where h is the height and g is the acceleration of gravity. In mathematics, a square root of a number x is a… …   Wikipedia

  • P-matrice — En mathématiques, une matrice est une matrice carrée réelle dont les mineurs principaux sont strictement positifs. Ces matrices interviennent dans l étude des problèmes de complémentarité linéaire. Une notion voisine est celle des matrices.… …   Wikipédia en Français

  • MPS (format) — MPS (Mathematical Programming System) is a file format for presenting and archiving linear programming (LP) and mixed integer programming problems. Overview The format was named after an early IBM LP product and has emerged as a de facto standard …   Wikipedia

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