Lambert W function for applications in physics


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.

DOI: 10.1016/j.cpc.2012.07.008

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@article{Veberic2012LambertWF, title={Lambert W function for applications in physics}, author={Darko Veberic}, journal={Computer Physics Communications}, year={2012}, volume={183}, pages={2622-2628} }