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coordinate system
(redirected from parametrized)

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coordinate system

Arrangement of reference lines or curves used to identify the location of points in space. In two dimensions, the most common system is the Cartesian (after René Descartes) system. Points are designated by their distance along a horizontal (x) and vertical (y) axis from a reference point, the origin, designated (0, 0). Cartesian coordinates also can be used for three (or more) dimensions. A polar coordinate system locates a point by its direction relative to a reference direction and its distance from a given point, also the origin. Such a system is used in radar or sonar tracking and is the basis of bearing-and-range navigation systems. In three dimensions, it leads to cylindrical and spherical coordinates.
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This algorithm operates by sampling pure policies from an appropriately parametrized stochastic policy, and then evaluates these policies either exactly or approximately in order to define the next stochastic policy to sample from, and so on until convergence.
The cross-entropy method for policy search in decentralized POMDPs by Oliehoek, Frans A.; Kooij, Julian F.P.; Vlassis, Nikos / Informatica
The virtual markets are the linear markets parametrized by 0 [less than or equal to] p [less than or equal to] A with demand function [D.
Third degree price discrimination in linear-demand markets: effects ... by Kaftal, Victor; Pal, Debashis / Southern Economic Journal
Chapters discuss covariant approaches to quantum gravity, parametrized and relational systems, Hamiltonian formulation of general relativity, quantum geometrodynamics, quantum gravity with connections and loops, quantization of black holes, quantum cosmology, string theory, and quantum gravity and the interpretation of quantum theory.
Quantum gravity, 2d ed by SciTech Book News
 
 
 
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