Approximation mit einer erweiterten Klasse von Exponentialsummen

DOI10.1016/0021-9045(81)90059-9zbMath0508.42006OpenAlexW2017552231MaRDI QIDQ1837867

Gunter Welker

Publication date: 1981

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

Full work available at URL: https://doi.org/10.1016/0021-9045(81)90059-9

zbMATH Keywords

exponential polynomialChebyshev normapproximation of continuous functions

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Approximation by polynomials (41A10)

Related Items (1)

Exact reconstruction of extended exponential sums using rational approximation of their Fourier coefficients

Cites Work

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• Existence of best approximations by sums of exponentials
• On the oscillation of exponential polynomials
• On the number of roots of exp-trig polynomials
• Characterization of best approximations by sums of exponentials
• Nicht-lineare Approximationen
• Approximation mit Exponentialsummen
• Über ein Problem von L. Collatz. (On a problem of L. Collatz)
• Chebyshev approximation by \(\gamma\)-polynomials. I
• Chebyshev-approximation by \(\gamma\)-polynomials. II

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