| 单词 | fourier series |
| 释义 | Fourier seriesnoun Mathematics.an infinite series that involves linear combinations of sines and cosines and approximates a given function on a specified domain. Origin of Fourier seriesFirst recorded in 1875–80; see origin at Fourier analysis Words nearby Fourier seriesFour Hundred, four-hundred-day clock, Fourier, Fourier analysis, Fourierism, Fourier series, Fourier's theorem, Fourier transform, four-in-hand, four-lane, four-leaf clover Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for Fourier seriesFourier series nounan infinite trigonometric series of the form 1/2 a 0 + a 1 cos x + b 1 sin x + a 2 cos 2 x + b 2 sin 2 x + …, where a 0, a 1, b 1, a 2, b 2 … are the Fourier coefficients . It is used, esp in mathematics and physics, to represent or approximate any periodic function by assigning suitable values to the coefficients Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for Fourier seriesFourier series An infinite series whose terms are constants multiplied by sine and cosine functions and that can, if uniformly convergent, approximate a wide variety of functions. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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