Fourier analysis

noun
Fou·​ri·​er analysis | \ˈfu̇r-ē-ˌā- \

Definition of Fourier analysis 

: the process of using the terms of a Fourier series to find a function that approximates periodic data

First Known Use of Fourier analysis

circa 1928, in the meaning defined above

History and Etymology for Fourier analysis

Baron J. B. J. Fourier †1830 French geometrician & physicist

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The first known use of Fourier analysis was circa 1928

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