harmonic analysis

noun

, Mathematics.

1. the calculation of Fourier series and their generalization.
2. the study of Fourier series and their generalization.

harmonic analysis

noun

1. the representation of a periodic function by means of the summation and integration of simple trigonometric functions
2. the study of this means of representation

harmonic analysis

1. The study of functions given by a Fourier series or analogous representations, such as periodic functions and functions on topological groups.

Word History and Origins

Origin of harmonic analysis¹

First recorded in 1865–70