Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mathematics a
series ofcosine andsine functions orcomplex exponentials resulting from the decomposition of aperiodic function
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the sum of a series of trigonometric expressions; used in the analysis of periodic functions
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[After Baron Jean Baptiste Joseph Fourier.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
Named after Joseph Fourier, a French mathematician
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