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Fourier method

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  • Fourier series — Fourier transforms Continuous Fourier transform Fourier series Discrete Fourier transform Discrete time Fourier transform Related transforms …   Wikipedia

  • Fourier transform — Fourier transforms Continuous Fourier transform Fourier series Discrete Fourier transform Discrete time Fourier transform Related transforms The Fourier transform is a mathematical operation that decomposes a function into its constituent… …   Wikipedia

  • Fourier optics — is the study of classical optics using techniques involving Fourier transforms and can be seen as an extension of the Huygens Fresnel principle. The underlying theorem that light waves can be described as made up of sinusoidal waves, in a manner… …   Wikipedia

  • Fourier transform spectroscopy — is a measurement technique whereby spectra are collected based on measurements of the temporal coherence of a radiative source, using time domain measurements of the electromagnetic radiation or other type of radiation.It can be applied to a… …   Wikipedia

  • Fourier division — or cross division is a pencil and paper method of division which helps to simplify the process when the divisor has more than two digits. It was invented by Joseph Fourier. Contents 1 Method 1.1 Partial quotients with more than two digits 2… …   Wikipedia

  • Fourier profilometry — is a method for measuring profiles using distortions in periodic patterns. The method uses Fourier analysis (a 2 dimensional Fast Fourier transform) to determine localized slopes on a curving surface.This allows a x , y , z coordinate system of… …   Wikipedia

  • Fourier,Baron Jean Baptiste Joseph — Fourier, Baron Jean Baptiste Joseph. 1768 1830. French mathematician and physicist who formulated a method for analyzing periodic functions and studied the conduction of heat. * * * …   Universalium

  • Fourier transform on finite groups — In mathematics, the Fourier transform on finite groups is a generalization of the discrete Fourier transform from cyclic to arbitrary finite groups.DefinitionsThe Fourier transform of a function f : G ightarrow mathbb{C},at a representation ho,… …   Wikipedia

  • Split-step method — In numerical analysis, the split step (Fourier) method is a pseudo spectral numerical method used to solve nonlinear partial differential equations like the nonlinear Schrödinger equation. The name arises for two reasons. First, the method relies …   Wikipedia

  • Discrete Fourier transform — Fourier transforms Continuous Fourier transform Fourier series Discrete Fourier transform Discrete time Fourier transform Related transforms In mathematics, the discrete Fourier transform (DFT) is a specific kind of discrete transform, used in… …   Wikipedia

  • Spectral method — Spectral methods are a class of techniques used in applied mathematics and scientific computing to numerically solve certain Dynamical Systems, often involving the use of the Fast Fourier Transform. Where applicable, spectral methods have… …   Wikipedia

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