Approximation theory

Daghestan Electronic Mathematical Reports: Issue 15 (2021)


Fast Fourier transform in a system of functions that are orthogonal in the sense of Sobolev and generated by the Walsh system

UDK: 519.622

Pages: 55 - 66


Article discusses algorithms and a program for the direct and inverse fast Fourier transform in a Sobolev orthogonal system of functions generated by the Walsh system.


Keywords: fast Fourier transform, system of functions orthogonal in the Sobolev system, Walsh system.




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