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Re: Replacing spurious Abs

• To: mathgroup at smc.vnet.net
• Subject: [mg130859] Re: Replacing spurious Abs
• From: Bob Hanlon <hanlonr357 at gmail.com>
• Date: Tue, 21 May 2013 04:21:26 -0400 (EDT)
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• References: <20130521040212.C420269B3@smc.vnet.net>

Abs[exp] /. Abs[x_] -> x


exp



or



Abs[exp] /. Abs -> Identity


exp



Bob Hanlon


On Tue, May 21, 2013 at 12:02 AM, <
carlos.felippa%colorado.edu at gtempaccount.com> wrote:

> Hi,
>
> Sometimes I get Abs[exp] from Simplify or Integrate, when it should be
> simply exp.
> Is there a simple way to get rid of the Abs, when exp may be an arbitrarily
> complex expression?  Something like /.Abs[#]->#?  Thanks.
>
>

• References:
  • Replacing spurious Abs
    • From: carlos.felippa%colorado.edu@gtempaccount.com