Local best rational approximations to continuous functions and the rays they emanate

DOI10.1016/0021-9045(88)90048-2zbMath0647.41017OpenAlexW1985438686MaRDI QIDQ1104501

Daniel Wulbert

Publication date: 1988

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0021-9045(88)90048-2

zbMATH Keywords

global best approximation

Mathematics Subject Classification ID

Approximation by rational functions (41A20) Approximation by other special function classes (41A30)

Related Items (1)

Complex Approximation of Real Functions by Reciprocals of Polynomials

Cites Work

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• On the characterization of complex rational approximations
• Non-strong uniqueness in real and complex Chebyshev approximation
• Nonuniqueness of best approximating complex rational functions
• The Rational Approximation of Real Functions
• Real and complex Chebyshev approximation on the unit disk and interval

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