lambertW {beezdemand}

Lambert W

Description

Ben Bolker's port of Lambert W from GNU Scientific Library (GPLV3)

Usage

lambertW(z, b = 0, maxiter = 10, eps = .Machine$double.eps, min.imag = 1e-09)

Arguments

z

input value

b

branch, set to principal by default

maxiter

Halley iteration count

eps

error precision

min.imag

minimum for imaginary solution

Details

Ben Bolker's port of Lambert W from GNU Scientific Library

Value

numeric

Author(s)

Benjamin Bolker (port)