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Results tagged with inverse
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user 41099
Questions on exact, symmetric reversal of a definition or functional mapping (i.e. the original form is returned when applied twice). Use this tag for issues on inversion of Mathematica expressions, or general inversion of math constructs.
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Why doesn't Lambert function (ProductLog) simplify?
I have
Simplify[ProductLog[x*Exp[x]]]
By the definition of the Lambert function, this should be simply x. But Mathematica outputs this:
ProductLog[E^x x]
Adding assumptions (e.g., x is real) doe …
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