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saddle-point method

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  • Saddle point — In mathematics, a saddle point is a point in the domain of a function of two variables which is a stationary point but not a local extremum. At such a point, in general, the surface resembles a saddle that curves up in one direction, and curves… …   Wikipedia

  • 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

  • Saddle — A saddle is a supportive structure for a rider or other load, fastened to an animal s back by a girth. The most common type is the equestrian saddle designed for a horse, but specialized saddles have been created for camels and other creatures.… …   Wikipedia

  • Newton's method in optimization — A comparison of gradient descent (green) and Newton s method (red) for minimizing a function (with small step sizes). Newton s method uses curvature information to take a more direct route. In mathematics, Newton s method is an iterative method… …   Wikipedia

  • Conjugate beam method — (0) real beam, (1) shear and moment, (2) conjugate beam, (3) slope and displacement The conjugate beam method is an engineering method to derive the slope and displacement of a beam. The conjugate beam method was developed by H. Müller Breslau in …   Wikipedia

  • English saddle — English saddles are used to ride horses in English riding disciplines throughout the world. The discipline is not limited to England or English speaking countries. This style of saddle used in all of the Olympic and FEI equestrian disciplines,… …   Wikipedia

  • Bartlett's method — In physics, engineering, and applied mathematics, Bartlett s method, named after M.S. Bartlett, is used for estimating power spectra. Bartlett s method provides a way to reduce the variance of the periodogram in exchange for a reduction of… …   Wikipedia

  • Kodály Method — The Kodály Method is an approach to music education which was developed in Hungary during the mid twentieth century. Though named after Hungarian composer and educator Zoltán Kodály (1882 1967), the method itself was not created by him. His… …   Wikipedia

  • Higher order derivative test — In mathematics, the higher order derivative test is used to find maxima, minima, and points of inflexion in an n th degree polynomial s curve.The testLet f be a differentiable function on the interval I and let c be a point on it such that #f (c) …   Wikipedia

  • Higher-order derivative test — In mathematics, the higher order derivative test is used to find maxima, minima, and points of inflexion for sufficiently differentiable functions. The test Let ƒ be a differentiable function on the interval I and let c be a point on it such that …   Wikipedia

  • Asymptotic analysis — This article is about the comparison of functions as inputs approach infinite. For asymptotes in geometry, see asymptotic curve. In mathematical analysis, asymptotic analysis is a method of describing limiting behavior. The methodology has… …   Wikipedia

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