Pointwise approximation of \(2 \pi/r\)-periodic functions by matrix operators of their Fourier series with \(r\)-differences of the entries

DOI10.1515/DEMA-2018-0024zbMath1404.42007OpenAlexW2904523108MaRDI QIDQ1756709

Włodzimierz Łenski, Bogdan Szal

Publication date: 21 December 2018

Published in: Demonstratio Mathematica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1515/dema-2018-0024

zbMATH Keywords

rate of approximationsummability of Fourier series

Mathematics Subject Classification ID

Summability and absolute summability of Fourier and trigonometric series (42A24)

Related Items (1)

On the trigonometric approximation of functions in a weighted Lipschitz class

Cites Work

• On \(L\)-convergence of trigonometric series
• A new class of numerical sequences and its applications to uniform convergence of sine series
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