Approximation of the unit step function by a linear combination of exponential functions

DOI10.1016/0021-9045(80)90064-7zbMath0446.41007OpenAlexW2081931859MaRDI QIDQ1145837

S. H. Smith

Publication date: 1980

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

Full work available at URL: https://doi.org/10.1016/0021-9045(80)90064-7

zbMATH Keywords

Legendre polynomialsleast-squares criterionasymmetric Legendre functionsdecaying exponential functionsexponential approximation to step function

Mathematics Subject Classification ID

Approximation by other special function classes (41A30) Approximation by arbitrary linear expressions (41A45)

Related Items (1)

AN ANALYTIC EXACT FORM OF HEAVISIDE STEP FUNCTION

Cites Work

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