Approximation of Continuous 2π-Periodic Piecewise Smooth Functions by Discrete Fourier Sums

DOI10.18500/1816-9791-2019-19-1-4-15zbMath1420.42001OpenAlexW2926839867MaRDI QIDQ5230128

Gasan Garunovich Akniev

Publication date: 20 August 2019

Published in: Izvestiya of Saratov University. New Series. Series: Mathematics. Mechanics. Informatics (Search for Journal in Brave)

Full work available at URL: http://mathnet.ru/eng/isu785

Mathematics Subject Classification ID

Trigonometric approximation (42A10)

Related Items (1)

Approximation properties of some discrete Fourier sums for piecewise smooth discontinuous functions

Cites Work

• On the best approximation and polynomials of the least quadratic deviation
• On the convergence of trigonometrical interpolation at equidistant knots
• Discrete least squares approximation of piecewise-linear functions by trigonometric polynomials
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