Best simultaneous approximation of periodic functions and their derivatives by trigonometric polynomials

DOI10.1007/BF01268439zbMath0557.42001OpenAlexW2068567696MaRDI QIDQ5895498

V. A. Sorich

Publication date: 1984

Published in: Ukrainian Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01268439

zbMATH Keywords

simultaneous approximationtrigonometric polynomialsderivative in the sense of Weyl

Mathematics Subject Classification ID

Trigonometric approximation (42A10)

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