W_1 {LambertW}R Documentation

Lambert W function (non-principal branch)

Description

Non-principal solution of the Lambert W function. Short for lambert_W1 in the gsl package.

Usage

W_1(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 Unpublished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_W1

Examples

W(-0.25) # the "reasonable" input event
W_1(-0.25) # the "extreme" input event

[Package LambertW version 0.1.6 Index]