Fourier series Hear it!

Fourier series definition

Fou·rier series (fo̵or′ē ər)

Math. the expansion of a periodic function into a series of sines and cosines

Etymology: formulated by Baron Jean Baptiste Joseph Fourier

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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