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


Jonathan Greenberg <greenberg at ucdavis.edu> wrote in message news:<b22jou$6bh$1 at smc.vnet.net>...
> 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!
> 
> --j

Simplify[ Log[Exp[r]], Element[r,Reals] ], does it!

-- Nilton


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