scalar variable

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• Scalar-tensor theory — Scalar tensor theories are theories that include a scalar field as well as a tensor field to represent an interaction, especially the gravitational one. Tensor fields and field theory Modern physics tries to derive all physical theories from as… …   Wikipedia

• Scalar (computing) — In computing, a scalar is a variable or field that can hold only one value at a time; as opposed to composite variables like array, list, record, etc. In some contexts, a scalar value may be understood to be numeric. A scalar data type is the… …   Wikipedia

• scalar — /skay leuhr/, adj. 1. representable by position on a scale or line; having only magnitude: a scalar variable. 2. of, pertaining to, or utilizing a scalar. 3. ladderlike in arrangement or organization; graduated: a scalar structure for promoting… …   Universalium

• scalar — sca•lar [[t]ˈskeɪ lər[/t]] adj. 1) math. representable by position on a scale or line; having only magnitude: a scalar variable[/ex] 2) math. of, pertaining to, or utilizing a scalar 3) ladderlike in arrangement or organization; graduated 4) math …   From formal English to slang

• scalar — /ˈskeɪlə/ (say skayluh) Mathematics –adjective 1. representable by position on a line; having only magnitude: a scalar variable. 2. of or relating to a scalar, or something utilising scalars. –noun 3. a quantity possessing only magnitude… …  

• Scalar theories of gravitation — are field theories of gravitation in which the gravitational field is described using a scalar field, which is required to satisfy some field equation. Note: This article focuses on relativistic classical field theories of gravitation. The best… …   Wikipedia

• Scalar — A scalar is a variable that only has magnitude, e.g. a speed of 40 km/h. Compare it with vector, a quantity comprising both magnitude and direction, e.g. a velocity of 40km/h north .* Scalar (mathematics), a quantity which is independent of… …   Wikipedia

• Variable — A variable (pronEng|ˈvɛərɪəbl) is an attribute of a physical or an abstract system which may change its value while it is under observation. Examples include the height of a child, the temperature across a state, or the input to a function. This… …   Wikipedia

• variable quantity — noun a quantity that can assume any of a set of values • Syn: ↑variable • Hypernyms: ↑quantity • Hyponyms: ↑argument, ↑independent variable, ↑experimental variable, ↑ …   Useful english dictionary

• Multivariate random variable — In mathematics, probability, and statistics, a multivariate random variable or random vector is a list of mathematical variables each of whose values is unknown, either because the value has not yet occurred or because there is imperfect… …   Wikipedia

• Omitted-variable bias — In statistics, omitted variable bias (OVB) occurs when a model is created which incorrectly leaves out one or more important causal factors. The bias is created when the model compensates for the missing factor by over or under estimating one of… …   Wikipedia