**Bessel method** — a method of ascertaining position by the use of a map showing prominent features of the terrain and enabling one to sight through them to obtain a fix. [1935 40; named after F. W. BESSEL] … Useful english dictionary

**bessel** — equation, bessel function, or bessel method (named for the German 19thcentury astronomer Friedrich Wilhelm Bessel) … Eponyms, nicknames, and geographical games

**Bessel polynomials** — In mathematics, the Bessel polynomials are an orthogonal sequence of polynomials. There are a number of different but closely related definitions. The definition favored by mathematicians is given by the series (Krall Fink, 1948):y n(x)=sum… … Wikipedia

**Bessel, Friedrich Wilhelm** — born July 22, 1784, Minden, Brandenburg died March 17, 1846, Königsberg, Prussia German astronomer. He was the first to measure (by means of parallax) the distance to a star other than the Sun. One of his major discoveries was that the bright… … Universalium

**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

**Scattering Matrix Method** — In computational electromagnetics, Scattering Matrix Method (SMM) is a numerical method used to solve the Maxwells equations.PrinciplesSMM uses cylinders to model dielectric/metal objects in the domain. The total field/scattered field (TF/SF)… … Wikipedia

**Network synthesis filters** — Network synthesis is a method of designing signal processing filters. It has produced several important classes of filter including the Butterworth filter, the Chebyshev filter and the Elliptic filter. It was originally intended to be applied to… … Wikipedia

**Common integrals in quantum field theory** — There are common integrals in quantum field theory that appear repeatedly.[1] These integrals are all variations and generalizations of gaussian integrals to the complex plane and to multiple dimensions. Other integrals can be approximated by… … Wikipedia

**List of mathematics articles (B)** — NOTOC B B spline B* algebra B* search algorithm B,C,K,W system BA model Ba space Babuška Lax Milgram theorem Baby Monster group Baby step giant step Babylonian mathematics Babylonian numerals Bach tensor Bach s algorithm Bachmann–Howard ordinal… … Wikipedia

**Pendulum** — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance … Wikipedia