Approximation of Riemann integrable functions by trigonometric convolution processes

zbMath0780.42004MaRDI QIDQ685284

H. Mevissen, R. J. Nessel

Publication date: 26 January 1994

Published in: Functiones et Approximatio. Commentarii Mathematici (Search for Journal in Brave)

zbMATH Keywords

inverse theoremsJackson-type estimateserror functionalapproximation of Riemann integrable functionsBerstein-type inequalitybest approximation by polynomialsFejér-Korovkin polynomialsmeans of de la Vallée Poussintrigonometric convolution processes

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Numerical methods for trigonometric approximation and interpolation (65T40)

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