Fourier analysis Word Origin noun Physics, Mathematics.
- the expression of any periodic function as a sum of sine and cosine functions, as in an electromagnetic wave function.Compare .
Origin of Fourier analysis First recorded in 1925–30; named after J.B.J.British Dictionary definitions for fourier analysis Fourier analysis noun
- the analysis of a periodic function into its simple sinusoidal or harmonic components, whose sum forms a Fourier series
Word Origin for Fourier analysis C19: named after Baron Jean Baptiste Joseph Fourier (1768–1830), French mathematician, Egyptologist, and administrator fourier analysis in Science Fourier analysis
- The branch of mathematics concerned with the approximation of periodic functions by the Fourier series and with generalizations of such approximations to a wider class of functions.