W {LambertW}R Documentation

Lambert W function (principal branch)

Description

Principal branch of the Lambert W function. This is a short name for lambert_W0 in the package gsl.

Usage

W(z)

Arguments

z value

Value

Function value or NaN.

Author(s)

Georg M. Goerg

References

Goerg, G.M. (2009). “Lambert W Random Variables - A new class of skewed distribution functions”. Unpublished

Corless, R. M., G. H. Gonnet, D. E. G. Hare, and D. J. Jeffrey (1993). “On the Lambert W function”. preprint.

See Also

lambert_W0

Examples

W(5) # exists
W(-5) # does not exist

[Package LambertW version 0.1.6 Index]