A sharp error estimate of the best approximation by algebraic polynomials in the weighted space \(L_2(-1,1)\)

DOI10.3103/S1066369X1305006XzbMath1286.41002MaRDI QIDQ353924

R. Z. Dautov

Publication date: 16 July 2013

Published in: Russian Mathematics (Search for Journal in Brave)

zbMATH Keywords

best approximationweighted spacesharp estimate

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by polynomials (41A10)

Related Items (2)

On approximation of functions on the half-line by Laguerre polynomials and functions ⋮ Sharp estimates for the polynomial approximation in weighted Sobolev spaces

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