[R] Lambert's W function

Robin Hankin rksh at soc.soton.ac.uk
Tue Nov 25 12:09:47 CET 2003

Hello List

does anyone have an R function for the Lambert W function?  I need 
complex arguments.

[the Lamert W function W(z) satisfies

W(z)*exp(W(z)) = z

but I could'nt even figure out how to use uniroot() for complex z]

Robin Hankin
Uncertainty Analyst
Southampton Oceanography Centre
SO14 3ZH
tel +44(0)23-8059-7743
initialDOTsurname at soc.soton.ac.uk (edit in obvious way; spam precaution)

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