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negative vector

См. также в других словарях:

  • Negative refraction — is the name for an electromagnetic phenomenon where light rays are refracted at an interface in the reverse sense to that normally expected. Such an effect can be obtained using a metamaterial which has been designed to achieve a negative value… …   Wikipedia

  • Vector — may refer to: In mathematics * Euclidean vector, a geometric entity endowed with both length and direction, an element of a Euclidean vector space * Coordinate vector, in linear algebra, an explicit representation of an element of any abstract… …   Wikipedia

  • Vector space model — (or term vector model ) is an algebraic model for representing text documents (and any objects, in general) as vectors of identifiers, such as, for example, index terms. It is used in information filtering, information retrieval, indexing and… …   Wikipedia

  • Negative differential conductivity — (NDC) is a nonlinear electrical phenomenon. If J is not a monotonic function of E at some values of E, the conductivity will be negative: and negative differential conductivity is experienced; that is, in some electric field, as the current… …   Wikipedia

  • Vector space — This article is about linear (vector) spaces. For the structure in incidence geometry, see Linear space (geometry). Vector addition and scalar multiplication: a vector v (blue) is added to another vector w (red, upper illustration). Below, w is… …   Wikipedia

  • Negative multinomial distribution — notation: parameters: k0 ∈ N0 the number of failures before the experiment is stopped, p ∈ Rm m vector of “success” probabilities, p0 = 1 − (p1+…+pm) the probability of a “failure”. support …   Wikipedia

  • Negative index metamaterials — A negative index metamaterial causes light to refract, or bend, differently than in more common positive refractive index materials. Negative index metamaterials or negative index materials (NIM) are artificial structures where the refractive… …   Wikipedia

  • Vector Motors — Infobox Company company name = Vector Motors Corporation company company type = Private foundation = 1971 location = Wilmington, California key people = Gerald Wiegert Chairman CEO industry = Automotive products = The Vector Vector W2 Vector W8… …   Wikipedia

  • vector — vectorial /vek tawr ee euhl, tohr /, adj. vectorially, adv. /vek teuhr/, n. 1. Math. a. a quantity possessing both magnitude and direction, represented by an arrow the direction of which indicates the direction of the quantity and the length of… …   Universalium

  • Vector potential — In vector calculus, a vector potential is a vector field whose curl is a given vector field. This is analogous to a scalar potential , which is a scalar field whose negative gradient is a given vector field.Formally, given a vector field v, a… …   Wikipedia

  • vector analysis — the branch of calculus that deals with vectors and processes involving vectors. * * * ▪ mathematics Introduction       a branch of mathematics that deals with quantities that have both magnitude and direction. Some physical and geometric… …   Universalium

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