Spectral methods in non-tensor geometry. II: Chebyshev versus Zernike polynomials, gridding strategies and spectral extension on squircle-bounded and perturbed-quadrifolium domains

DOI10.1016/j.amc.2015.07.066zbMath1410.65022OpenAlexW2495585892MaRDI QIDQ668728

John P. Boyd, Shan Li

Publication date: 19 March 2019

Published in: Applied Mathematics and Computation (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.amc.2015.07.066

zbMATH Keywords

Chebyshev polynomialsradial basis functionsgroup theoryhyperinterpolationpseudospectralZernike polynomials

Mathematics Subject Classification ID

Numerical interpolation (65D05) Approximation by polynomials (41A10)

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Uses Software

• DLMF

Cites Work

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