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• Approximation theory — In mathematics, approximation theory is concerned with how functions can best be approximated with simpler functions, and with quantitatively characterizing the errors introduced thereby. Note that what is meant by best and simpler will depend on …   Wikipedia

• Function approximation — The need for function approximations arises in many branches of applied mathematics, and computer science in particular. In general, a function approximation problem asks us to select a function among a well defined class that closely matches (… …   Wikipedia

• Approximation theory/Proofs — Proof that an N th degree polynomial that gives rise to an error function that has N + 2 maxima, of alternating signs and equal magnitudes, is optimal in the sense of approximation theory. Such an optimal polynomial gives the minimum value, over… …   Wikipedia

• approximation function — artutinė funkcija statusas T sritis fizika atitikmenys: angl. approximating function; approximation function vok. approximierende Funktion, f; Näherungsfunktion, f rus. аппроксимирующая функция, f; приближённая функция, f pranc. fonction… …   Fizikos terminų žodynas

• Approximation in algebraic groups — In mathematics, strong approximation in linear algebraic groups is an important arithmetic property of matrix groups. In rough terms, it explains to what extent there can be an extension of the Chinese remainder theorem to various kinds of… …   Wikipedia

• function approximation — funkcijos aproksimacija statusas T sritis automatika atitikmenys: angl. function approximation vok. Funktionsapproximation, f; Näherung, f rus. аппроксимация функции, f; приближение функции, n pranc. approximation de fonction, f …   Automatikos terminų žodynas

• approximation de fonction — funkcijos aproksimacija statusas T sritis automatika atitikmenys: angl. function approximation vok. Funktionsapproximation, f; Näherung, f rus. аппроксимация функции, f; приближение функции, n pranc. approximation de fonction, f …   Automatikos terminų žodynas

• Gamma function — For the gamma function of ordinals, see Veblen function. The gamma function along part of the real axis In mathematics, the gamma function (represented by the capital Greek letter Γ) is an extension of the factorial function, with its… …   Wikipedia

• Orders of approximation — In science, engineering, and other quantitative disciplines, orders of approximation refer to formal or informal terms for how precise an approximation is, and to indicate progressively more refined approximations: in increasing order of… …   Wikipedia

• Differential of a function — For other uses of differential in mathematics, see differential (mathematics). In calculus, the differential represents the principal part of the change in a function y = ƒ(x) with respect to changes in the independent variable. The… …   Wikipedia

• Born-Oppenheimer approximation — In quantum chemistry, the computation of the energy and wavefunction of an average size molecule is a formidable task that is alleviated by the Born Oppenheimer (BO) approximation. For instance the benzene molecule consists of 12 nuclei and 42… …   Wikipedia