A unified approach to differential characterizations of local best approximations for exponential sums and splines

DOI10.1016/0021-9045(82)90048-XzbMath0504.41030MaRDI QIDQ1836115

Ludwig J. Cromme

Publication date: 1982

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

zbMATH Keywords

exponential sumsmanifolds with cuspsgamma-polynomials

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Spline approximation (41A15)

Related Items (2)

Regular \(C^ 1-\)parametrizations for exponential sums and splines ⋮ A review of the parameter estimation problem of fitting positive exponential sums to empirical data

Cites Work

• Regular \(C^ 1-\)parametrizations for exponential sums and splines
• Chebyshev approximation by \(\gamma\)-polynomials. III. On the number of best approximations
• Approximation from a curve of functions
• Über die Vorzeichenstruktur der Exponentialsummen
• Kritische Punkte bei der nichtlinearen Tschebyscheff-Approximation
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