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The Lambert W is a transcendental function defined by solutions of the equation Wexp(W)=x. For real values of the argument, x, the W-function has two branches, W 0 (the principal branch) and W -1 (the negative branch). A survey of the literature reveals that, in the case of the principal branch (W 0 ), the vast majority of W-function applications use, at any given time,...
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