- positive element
- мат. положительный элемент
Большой англо-русский и русско-английский словарь. 2001.
positive element
Смотреть что такое "positive element" в других словарях:
Positive element — In mathematics, especially functional analysis, a hermitian element A of a C* algebra is a positive element if its spectrum consists of nonnegative real numbers. It is possible to prove that an element x of a C* algebra A is positive if and only… … Wikipedia
Positive linear functional — In mathematics, especially in functional analysis, a positive linear functional on an ordered vector space ( V , ≤) is a linear functional f on V so that for all positive elements v of V , that is v ge;0, it holds that:f(v)geq 0.In other words, a … Wikipedia
Element Skateboards — Element is a skateboard company based in Irvine, California. History The company was first started in Atlanta, Georgia in 1992 as a collaborative company called Underwood Elements. It gave a raw street vibe because of its mixture of different… … Wikipedia
Positive economics — is the branch of economics that concerns the description and explanation of economic phenomena (Wong, 1987, p. 920). It focuses on facts and cause and effect relationships and includes the development and testing of economics theories. Earlier… … Wikipedia
Positive temperature coefficient — (PTC) refers to materials that experience an increase in electrical resistance when their temperature is raised. Materials which have useful engineering applications usually show a relatively rapid increase with temperature, i.e. a higher… … Wikipedia
positive aspect — positive side, good element within the bad … English contemporary dictionary
Positive Hülle — Die Kleenesche Hülle (auch endlicher Abschluss, Kleene * Abschluss oder Verkettungshülle genannt) eines Alphabets Σ oder einer formalen Sprache L ist die Menge aller Wörter, die durch beliebige Konkatenation (Verknüpfung) von Symbolen des… … Deutsch Wikipedia
Positive definite kernel — In operator theory, a positive definite kernel is a generalization of a positive matrix. Definition Let :{ H n } {n in {mathbb Z be a sequence of (complex) Hilbert spaces and :mathcal{L}(H i, H j)be the bounded operators from Hi to Hj . A map A… … Wikipedia
positive — ● positif, positive adjectif (bas latin positivus, du latin classique positus, établi) Qui repose sur quelque chose, d assuré, dont la réalité ne peut être mise en doute, par opposition à négatif : Un fait positif. Qui tient compte des réalités,… … Encyclopédie Universelle
Élément entier — En mathématiques, et plus particulièrement en algèbre commutative, les éléments entiers sur un anneau commutatif sont à la fois une généralisation des entiers algébriques (les éléments entiers sur l anneau des entiers relatifs), et des éléments… … Wikipédia en Français
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
