411 REFERENCE · Wiktionary
Fourier analysis
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
After French mathematician and physicist Jean-Baptiste Joseph Fourier (1768–1830), a pioneer of the field.
Noun
en noun
en mathematics A field of study concerned with the representation or approximation of general functions, such as arbitrary waveforms, by sums of trigonometric functions.
See also
Fourier series
Fourier transform