Digital Library of Mathematical Functions
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4 Elementary FunctionsLogarithm, Exponential, Powers4.13 Lambert W-Function

Figure 4.13.1 (See in context.)

See accompanying text
Figure 4.13.1: Branches Wp(x) and Wm(x) of the Lambert W-function. A and B denote the points -1/ and , respectively, on the x-axis.