On Approximate Expressions for the Exponential Integral and the Error Function

DOI10.1002/sapm1951301226zbMath0046.07201OpenAlexW2095929254MaRDI QIDQ5809339

Richard Bellman

Publication date: 1952

Published in: Journal of Mathematics and Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/sapm1951301226

zbMATH Keywords

approximation and series expansion

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