Optimal rates of convergence and error localization of Gegenbauer projections

DOI10.1093/IMANUM/DRAC047zbMath1525.65015arXiv2008.00584OpenAlexW4293215241MaRDI QIDQ6171591

Haiyong Wang

Publication date: 14 August 2023

Published in: IMA Journal of Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2008.00584

zbMATH Keywords

analytic functionsbest approximationsoptimal rates of convergencepiecewise analytic functionsfunctions with algebraic singularitiesGegenbauer projections

Mathematics Subject Classification ID

Numerical interpolation (65D05) Algorithms for approximation of functions (65D15) Numerical quadrature and cubature formulas (65D32)

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