On Least Squares Exponential Sum Approximation With Positive Coefficients

DOI10.2307/2006228zbMath0424.65002OpenAlexW4231702535MaRDI QIDQ3859177

John W. Evans, Randall J. LeVeque, William B. Gragg

Publication date: 1980

Full work available at URL: https://doi.org/10.2307/2006228

zbMATH Keywords

algorithmconvex programmingexponential sumdivided differencesleast squares exponential sum approximations

Mathematics Subject Classification ID

Numerical smoothing, curve fitting (65D10) Numerical mathematical programming methods (65K05) Convex programming (90C25) Theoretical approximation of solutions to ordinary differential equations (34A45) Approximation by other special function classes (41A30) Discrete operational calculus (44A55)

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Cites Work

• Approximation mit Exponentialsummen
• Numerical Computation of the Matrix Exponential with Accuracy Estimate
• Nineteen Dubious Ways to Compute the Exponential of a Matrix
• On Approximation by Positive Sums of Powers
• Chebyshev Approximation by Exponentials on Finite Subsets
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