dimensional+variable

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• Dimensional analysis — In physics and all science, dimensional analysis is a tool to find or check relations among physical quantities by using their dimensions. The dimension of a physical quantity is the combination of the basic physical dimensions (usually mass,… …   Wikipedia

• Variable speed of light — The variable speed of light (VSL) concept states that the speed of light in a vacuum, usually denoted by c , may not be constant in some cases. In most situations in condensed matter physics when light is traveling through a medium, it… …   Wikipedia

• Variable range hopping — IntroductionVariable range hopping or Mott variable range hopping, is a model describing low temperature conduction in strongly disordered systems with localized states. [Mott, N.F., Phil. Mag. ,19,835,1969] It has a characteristic temperature… …   Wikipedia

• Variable (mathematics) — In mathematics, a variable is a value that may change within the scope of a given problem or set of operations. In contrast, a constant is a value that remains unchanged, though often unknown or undetermined.[1] The concepts of constants and… …   Wikipedia

• Análisis dimensional — Saltar a navegación, búsqueda El análisis dimensional es una poderosa herramienta que permite simplificar el estudio de cualquier fenómeno en el que estén involucradas muchas magnitudes físicas en forma de variables independientes. Su resultado… …   Wikipedia Español

• Environment variable — Environment variables are a set of dynamic named values that can affect the way running processes will behave on a computer. They can be said in some sense to create the operating environment in which a process runs. For example, an environment… …   Wikipedia

• High-dimensional statistics — High Dimensional StatisticsHigh dimensional statistics is the branch of mathematical and applied multivariate statistics aimed at treatment of statisical data whose dimension is so large that it is comparable in magnitude to sample size and may… …   Wikipedia

• multi-dimensional scaling — Often, a set of data (for example attitude items) cannot be represented in one dimension, such as in a unidimensional scale or factor analysis. The items may then be modified or selected, so that they can be so represented (as in item analysis… …   Dictionary of sociology

• Semiregular variable star — Semiregular variable stars are giants or supergiants of intermediate and late spectral type showing considerable periodicity in their light changes, accompanied or sometimes interrupted by various irregularities. Periods lie in the range from 20… …   Wikipedia

• Mira variable — Mira variables (  /ˈmaɪr …   Wikipedia

• Three-dimensional graph — A three dimensional graph is the graph of a function of two variables f ( x , y ). Provided that x , y , and f ( x , y ) are real numbers, the graph can be represented as a planar of curved surface in a three dimensional Cartesian coordinate… …   Wikipedia