[R] Lambert's W function

[Robin Hankin]

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)