system of linear equations
81Celestial coordinate system — For other uses of Celestial , see Celestial (disambiguation). Orientation of Astronomical Coordinates Orientation of the galactic, ecliptic and equatorial coordinate systems, projected on the celestial sphere, showing the galactic equator (black) …
82Coordinate system — For geographical coordinates on Wikipedia, see Wikipedia:WikiProject Geographical coordinates. In geometry, a coordinate system is a system which uses one or more numbers, or coordinates, to uniquely determine the position of a point or other… …
83Fuzzy control system — Fuzzy control and Fuzzy Control redirect here. For the rock band, see Fuzzy Control (band). A fuzzy control system is a control system based on fuzzy logic a mathematical system that analyzes analog input values in terms of logical variables that …
84control system — Means by which a set of variable quantities is held constant or caused to vary in a prescribed way. Control systems are intimately related to the concept of automation but have an ancient history. Roman engineers maintained water levels in… …
85National Fire Danger Rating System — Contents 1 The National Fire Danger Rating System 1.1 Background[1] 1.2 Basic assumption[3] 1.3 Types of Fires[4] …
86Node (autonomous system) — The behaviour of a linear autonomous system around a critical point is a node if the following conditions are satisfied: Each path converges to the critical point as (or as ). Furthermore, each path approaches the point asymptotically through a… …
87Diffraction-limited system — Memorial to Ernst Karl Abbe, who approximated the diffraction limit of a microscope as , where d is the resolvable feature size, λ is the wavelength of light, n is the index of refraction of the medium being imaged in, and θ (depicted as α in the …
88General Algebraic Modeling System — GAMS Entwickler GAMS Development Corporation Aktuelle Version 23.7.3 (23. August 2011) Betriebssystem Plattformunabhängig Kategorie Algebraisch …
89Elementary algebra — is a fundamental and relatively basic form of algebra taught to students who are presumed to have little or no formal knowledge of mathematics beyond arithmetic. It is typically taught in secondary school under the term algebra. The major… …
90algebra — /al jeuh breuh/, n. 1. the branch of mathematics that deals with general statements of relations, utilizing letters and other symbols to represent specific sets of numbers, values, vectors, etc., in the description of such relations. 2. any of… …
