Fourier series
The first four partial sums of the Fourier series decomposition of a square wave
Meaning
Noun
- Any series resulting from the decomposition of a periodic function into terms involving cosines and sines (or, equivalently, complex exponentials).
Origin
- Named after French mathematician and physicist Joseph Fourier (1768-1830), who pioneered research into such series and their application to problems of heat transfer and vibration.
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