vector angle

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• 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

• vector product — n. a vector perpendicular to each of two given vectors u and v and having magnitude equal to the product of the magnitudes of u and v and the sine of the angle from u to v * * * …   Universalium

• vector product — n. a vector perpendicular to each of two given vectors u and v and having magnitude equal to the product of the magnitudes of u and v and the sine of the angle from u to v …   English World dictionary

• Angle notation — or phasor notation is a notation used in electronics using the ang ! sign. It is an abbreviation that arose due to the frequent occurrence of the expression e j θ. There is also usually an implied conversion from degrees to radians. For example …   Wikipedia

• Vector notation — This page is an overview of the common notations used when working with vectors, which may be spatial or more abstract members of vector spaces.The common typographic convention for representing a vector is upright boldface type, as in v for a… …   Wikipedia

• Vector field — In mathematics a vector field is a construction in vector calculus which associates a vector to every point in a (locally) Euclidean space.Vector fields are often used in physics to model, for example, the speed and direction of a moving fluid… …   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-valued function — A vector valued function is a mathematical function that maps real numbers onto vectors. Vector valued functions can be defined as: *mathbf{r}(t)=f(t)mathbfhat{i}+g(t)mathbfhat{j} or *mathbf{r}(t)=f(t)mathbfhat{i}+g(t)mathbfhat{j}+h(t)mathbfhat{k}… …   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

• Vector fields in cylindrical and spherical coordinates — Cylindrical coordinate system = Vector fields Vectors are defined in cylindrical coordinates by (ρ,φ,z), where * ρ is the length of the vector projected onto the X Y plane, * φ is the angle of the projected vector with the positive X axis (0 ≤ φ… …   Wikipedia

• Vector group — A Vector group is the International Electrotechnical Commission (IEC) method of categorizing the primary and secondary winding configurations of three phase transformers. Within a polyphase system power transformer it indicates the windings… …   Wikipedia