Chebyshev approximation of multivariable functions by a constrained rational expression

DOI10.1007/s10559-023-00552-8zbMath1528.41075MaRDI QIDQ6042238

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

Publication date: 10 May 2023

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

zbMATH Keywords

least squares methodmultivariable functionsvariable weight functionChebyshev approximation by rational expressionconstrained Chebyshev approximationpower mean approximation

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Numerical interpolation (65D05) Interpolation in approximation theory (41A05)

Related Items (1)

Chebyshev approximation of a multivariable function with reproducing the values of the function and its partial derivatives

Cites Work

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• Rational Approximation with a Vanishing Weight Function and with a Fixed Value at Zero
• The RKFIT Algorithm for Nonlinear Rational Approximation
• The AAA Algorithm for Rational Approximation

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