Comparisons of best approximations with Chebyshev expansions for functions with logarithmic endpoint singularities
DOI10.1007/s11075-023-01538-5arXiv2108.03836OpenAlexW4379881598MaRDI QIDQ6076944
Publication date: 17 October 2023
Published in: Numerical Algorithms (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/2108.03836
best approximationChebyshev interpolationsteepest descent methodendpoint singularitiesChebyshev projection
Best approximation, Chebyshev systems (41A50) Numerical interpolation (65D05) Approximation by polynomials (41A10) Rate of convergence, degree of approximation (41A25) Numerical methods for variational inequalities and related problems (65K15)
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