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Re: Log[Exp[r]] <> r?


Jonathan Greenberg <greenberg at ucdavis.edu> wrote:
> Hi there, why is it when I enter Log[Exp[r]] (or use Simplify or
> FullSimplify) I don't get r?  If I do Log[Exp[2]] I get 2!

I suppose that you intend r to be a real number. If so, then use

Simplify[Log[Exp[r]], Element[r, Reals]]

David


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