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 graphics — This article is about computer illustration. For other uses, see Vector graphics (disambiguation). Example showing effect of vector graphics versus raster graphics. The original vector based illustration is at the left. The upper right image… … Wikipedia
Vector calculus — Topics in Calculus Fundamental theorem Limits of functions Continuity Mean value theorem Differential calculus Derivative Change of variables Implicit differentiation Taylor s theorem Related rates … Wikipedia
Term Discrimination — is a way to rank keywords in how useful they are for Information Retrieval. Overview This is a method similar to tf idf but it deals with finding keywords suitable for information retrieval and ones that are not. Please refer to Vector Space… … Wikipedia
Vector autoregression — (VAR) is an econometric model used to capture the evolution and the interdependencies between multiple time series, generalizing the univariate AR models. All the variables in a VAR are treated symmetrically by including for each variable an… … Wikipedia
Vector control (motor) — Vector control (also called Field Oriented Control, FOC) is one method used in variable frequency drives to control the torque (and thus finally the speed) of three phase AC electric motors by controlling the current fed to the machine.MethodThe… … Wikipedia
Vector (food) — Vector is a breakfast cereal manufactured by Kellogg s Canada. It is advertised for its healthier ingredients over other cereal brands, especially in the area of sports. Kellogg s uses the term meal replacement instead of breakfast cereal for… … Wikipedia
Vector Directory Number — (VDN) [ cite web|url=http://glossary.westnetinc.com/term.php?termId=1997 |title=WestNet Glossary |accessdate=2008 02 20 |language=English ] is an extension number used by Avaya ACD (automatic call distributor) systems. References* [http://support … Wikipedia
Vector calculus identities — The following identities are important in vector calculus:ingle operators (summary)This section explicitly lists what some symbols mean for clarity.DivergenceDivergence of a vector fieldFor a vector field mathbf{v} , divergence is generally… … 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