variable metric
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Metric tensor — In the mathematical field of differential geometry, a metric tensor is a type of function defined on a manifold (such as a surface in space) which takes as input a pair of tangent vectors v and w and produces a real number (scalar) g(v,w) in a… … Wikipedia
Variable Specific Impulse Magnetoplasma Rocket — Artist s impression of several VASIMR engines propelling a craft through space The Variable Specific Impulse Magnetoplasma Rocket (VASIMR) is an electro magnetic thruster for spacecraft propulsion. It uses radio waves to ionize and heat a… … 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 cost — Decomposing Total Costs as Fixed Costs plus Variable Costs. Variable costs are expenses that change in proportion to the activity of a business.[1] Variable cost is the sum of marginal costs over all units produced. It can also be considered… … Wikipedia
mètric — mè|tric Mot Pla Adjectiu variable … Diccionari Català-Català
Wasserstein metric — In mathematics, the Wasserstein (or Vasershtein) metric is a distance function defined between probability distributions on a given metric space M. Intuitively, if each distribution is viewed as a unit amount of dirt piled on M, the metric is the … Wikipedia
Probability metric — A probability metric is a function defining a distance between random variables or vectors. In particular the probability metric does not satisfy the identity of indiscernibles condition required to be satisfied by the metric of the metric… … Wikipedia
Lévy metric — In mathematics, the Lévy metric is a metric on the space of cumulative distribution functions of one dimensional random variables. It is a special case of the Lévy Prokhorov metric, and is named after the French mathematician Paul Pierre… … Wikipedia
CMA-ES — stands for Covariance Matrix Adaptation Evolution Strategy. Evolution strategies (ES) are stochastic, derivative free methods for numerical optimization of non linear or non convex continuous optimization problems. They belong to the class of… … Wikipedia
analysis of variance — ANOVA; variance analysis 1) A commonly used method for examining the statistically significant differences between the means of two or more populations In its simplest form (one way analysis of variance), it involves only one dependent variable… … Big dictionary of business and management
Quasi-Newton method — In optimization, quasi Newton methods (also known as variable metric methods) are well known algorithms for finding local maxima and minima of functions. Quasi Newton methods are based on Newton s method to find the stationary point of a function … Wikipedia
