Chapter 7
Applications of Fast Fourier Transform
Abstract
This chapter shows some applications of the Fast Fourier Transform and how to utilize the CUFFT library.
Keywords
Spectral derivative; CUFFT; Convolution; Overlapping of transfers and compute
The Fourier Transform is of fundamental importance in several fields, from image processing to computational physics. The Discrete Fourier Transform (DFT) is an approximation in which discrete samples of a function 
in physical space can be transformed to Fourier coefficients 
via the relation:
This formula ...
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