positive semidefinite form

正半定形式,正半定型

English-Chinese computer dictionary (英汉计算机词汇大词典). 2013.

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  • Positive semidefinite — In mathematics, positive semidefinite may refer to: * positive semidefinite matrix * positive semidefinite function ee also* semidefinite bilinear form …   Wikipedia

  • Semidefinite programming — (SDP) is a subfield of convex optimization concerned with the optimization of a linear objective function over the intersection of the cone of positive semidefinite matrices with an affine space.Semidefinite programming is a relatively new field… …   Wikipedia

  • Positive-definite matrix — In linear algebra, a positive definite matrix is a matrix that in many ways is analogous to a positive real number. The notion is closely related to a positive definite symmetric bilinear form (or a sesquilinear form in the complex case). The… …   Wikipedia

  • Semidefinite Optimierung — In der Semidefiniten Programmierung (SDP, auch Semidefinite Optimierung) werden Optimierungsprobleme untersucht, deren Variablen keine Vektoren, sondern symmetrische Matrizen sind. Als Nebenbedingung wird verlangt, dass diese Matrizen positiv… …   Deutsch Wikipedia

  • Semidefinite Programmierung — In der Semidefiniten Programmierung (SDP, auch Semidefinite Optimierung) werden Optimierungsprobleme untersucht, deren Variablen keine Vektoren, sondern symmetrische Matrizen sind. Als Nebenbedingung wird verlangt, dass diese Matrizen positiv… …   Deutsch Wikipedia

  • semidefinite — adjective Describing a bilinear form, over a vector space, that is either always positive or always negative …   Wiktionary

  • Choi's theorem on completely positive maps — In mathematics, Choi s theorem on completely positive maps (after Man Duen Choi) is a result that classifies completely positive maps between finite dimensional (matrix) C* algebras. An infinite dimensional algebraic generalization of Choi s… …   Wikipedia

  • Definite bilinear form — In mathematics, a definite bilinear form is a bilinear form B over some vector space V (with real or complex scalar field) such that the associated quadratic form is definite, that is, has a real value with the same sign (positive or negative)… …   Wikipedia

  • Positiv semidefinite Matrix — Definitheit ist ein Begriff aus dem mathematischen Teilgebiet der linearen Algebra. Er beschreibt, welche Vorzeichen reelle quadratische Formen annehmen können, die durch Matrizen oder allgemeiner durch Bilinearformen erzeugt werden.… …   Deutsch Wikipedia

  • Definite quadratic form — In mathematics, a definite quadratic form is a real valued quadratic form over some vector space V that has the same sign (always positive or always negative) for every nonzero vector of V. The definite quadratic forms correspond in one to one… …   Wikipedia

  • Quadratic form — In mathematics, a quadratic form is a homogeneous polynomial of degree two in a number of variables. For example, is a quadratic form in the variables x and y. Quadratic forms occupy a central place in various branches of mathematics, including… …   Wikipedia

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