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Re: Trouble with FullSimplify

  • To: mathgroup at smc.vnet.net
  • Subject: [mg97592] Re: Trouble with FullSimplify
  • From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
  • Date: Mon, 16 Mar 2009 04:25:28 -0500 (EST)
  • References: <gphdse$omb$1@smc.vnet.net>

Clearly a bug. ==> support.wolfram.com

Cheers -- Sjoerd

On Mar 15, 1:16 am, JUN <noec... at gmail.com> wrote:
> What is wrong with the following in Mathematica 7:
>
> Clear[n];
> FullSimplify[n Exp[-n * 0.], Element[n, Integers]]
>
> result: n/2, which is scary. If I replace 0. by $MachineEpsilon/2, I
> get a correct result.
>
> It's also fun to express your feelings about Mathematica 7 this way:
> FullSimplify[$Version Exp[$Version *($VersionNumber -
> $VersionNumber)]]
>
> Jens



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