paper

Lambert W Function for Applications in Physics

arXiv:1209.0735 · doi:10.1016/j.cpc.2012.07.008

Abstract

The Lambert W(x) function and its possible applications in physics are presented. The actual numerical implementation in C++ consists of Halley's and Fritsch's iterations with initial approximations based on branch-point expansion, asymptotic series, rational fits, and continued-logarithm recursion.

9 pages, 12 figures. Extended version of arXiv:1003.1628, updated link to sources

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