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arXiv · 1105.2970

Comment on "A note on generalized radial mesh generation for plasma electronic structure"

Jean-Christophe Pain
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Abstract

In a recent note [High Energy Density Phys. 7, 161 (2011)], B.G. Wilson and V. Sonnad proposed a very useful closed form expression for the efficient generation of analytic log-linear radial meshes. The central point of the note is an implicit equation for the parameter h, involving Lambert's function W[x]. The authors mention that they are unaware of any direct proof of this equation (they obtained it by re-summing the Taylor expansion of h using high-order coefficients obtained by analytic differentiation of the implicit definition using symbolic manipulation). In the present comment, we present a direct proof of that equation.

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Jean-Christophe Pain. 2011-05-15. Comment on "A note on generalized radial mesh generation for plasma electronic structure". https://doi.org/10.1016/j.hedp.2011.05.002

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