This is documentation for Mathematica 4, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)



FilledSmallSquareProductLog[z] gives the principal solution for in .

FilledSmallSquareProductLog[k, z] gives the solution.

FilledSmallSquare Mathematical function (see Section A.3.10).

FilledSmallSquare The solutions are ordered according to their imaginary parts.

FilledSmallSquare For , ProductLog[z] is real.

FilledSmallSquareProductLog[z] satisfies the differential equation .

FilledSmallSquareProductLog[z] has a branch cut discontinuity in the complex z plane running from to . ProductLog[k, z] for integer has a branch cut discontinuity from to .

FilledSmallSquare See The Mathematica Book: Section 3.2.10.

FilledSmallSquare See also: Log.

Further Examples