Chebyshev approximation of multivariable functions by a power expression

DOI10.1007/s10559-024-00697-0zbMath1547.41005MaRDI QIDQ6610548

P. S. Malachivskyy, L. S. Melnychok, Ya. V. Pizyur

Publication date: 25 September 2024

Published in: Cybernetics and Systems Analysis (Search for Journal in Brave)

zbMATH Keywords

least squares methodmean-power approximationvariable weight functionChebyshev approximation of multivariable functionspower expression

Mathematics Subject Classification ID

Approximation by polynomials (41A10) Numerical approximation of high-dimensional functions; sparse grids (65D40)

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