- method of perturbation
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English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
method of perturbation
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Perturbation theory — This article describes perturbation theory as a general mathematical method. For perturbation theory as applied to quantum mechanics, see perturbation theory (quantum mechanics). Perturbation theory comprises mathematical methods that are used to … Wikipedia
Perturbation theory (quantum mechanics) — In quantum mechanics, perturbation theory is a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one. The idea is to start with a simple system for which a … Wikipedia
Method of matched asymptotic expansions — In mathematics, particularly in solving singularly perturbed differential equations, the method of matched asymptotic expansions is a common approach to finding an accurate approximation to a problem s solution. Contents 1 Method overview 2… … Wikipedia
perturbation — perturbational, adj. /perr teuhr bay sheuhn/, n. 1. the act of perturbing. 2. the state of being perturbed. 3. mental disquiet, disturbance, or agitation. 4. a cause of mental disquiet, disturbance, or agitation. 5. Astron. deviation of a… … Universalium
perturbation method — trikdžių metodas statusas T sritis automatika atitikmenys: angl. disturbance method; method of perturbations; perturbation method vok. Störungsmethode, f rus. метод возмущений, m pranc. méthode de perturbations, f … Automatikos terminų žodynas
perturbation method — trikdžių metodas statusas T sritis fizika atitikmenys: angl. disturbance method; perturbation method vok. Perturbationsmethode, f; Störungsmethode, f rus. метод возмущений, m pranc. méthode des perturbations, f; méthode perturbationnelle, f … Fizikos terminų žodynas
Method of steepest descent — For the optimization algorithm, see Gradient descent. In mathematics, the method of steepest descent or stationary phase method or saddle point method is an extension of Laplace s method for approximating an integral, where one deforms a contour… … Wikipedia
method of perturbations — trikdžių metodas statusas T sritis automatika atitikmenys: angl. disturbance method; method of perturbations; perturbation method vok. Störungsmethode, f rus. метод возмущений, m pranc. méthode de perturbations, f … Automatikos terminų žodynas
perturbation theory — noun : any of various methods of calculating the approximate value of a complex function (as the energy of an electron in quantum mechanics) by first assuming that the dominant influence is the only factor and then making small corrections for… … Useful english dictionary
Møller–Plesset perturbation theory — Electronic structure methods Tight binding Nearly free electron model Hartree–Fock method Modern valence bond Generalized valence bond Møller–Plesset perturbation th … Wikipedia
Singular perturbation — In mathematics, more precisely in perturbation theory, a singular perturbation problem is a problem containing a small parameter that cannot be approximated by setting the parameter value to zero. This is in contrast to regular perturbation… … Wikipedia
