Estimates for approximations by Fourier sums, best approximations and best orthogonal trigonometric approximations of the classes of (\psi, \beta)-differentiable functions

zbMath1368.42002arXiv1510.02959MaRDI QIDQ5267592

Tetiana A. Stepanyuk, A. S. Serdyuk

Publication date: 13 June 2017

Full work available at URL: https://arxiv.org/abs/1510.02959

zbMATH Keywords

best approximationsFourier sumsbest orthogonal trigonometric approximations

Mathematics Subject Classification ID

Trigonometric approximation (42A10)

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