LW: Lambert's W
In games: Statistical Estimation of Game-Theoretic Models

Solves for W in the equation W * exp(W) = x.

LW(x)

`x`	vector of values to solve for.

The function is based on the code given in Barry et al. (1995). It is used to calculate fitted values for the ultimatum model.

If negative values of x are supplied, NaNs will likely be returned.

Solutions to Lambert's W for each value in x.

D.A. Barry, P.J. Culligan-Hensley, and S.J. Barry. 1995. "Real Values of the W-Function." ACM Transactions on Mathematical Software 21(2):161–171.

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x <- rexp(10)
w <- LW(x)
all.equal(x, w * exp(w))

games documentation built on May 2, 2019, 3:26 p.m.

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