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Re: Re: Re: Simplify and Abs

• To: mathgroup at smc.vnet.net
• Subject: [mg54729] Re: [mg54687] Re: [mg54640] Re: [mg54602] Simplify and Abs
• From: Bob Hanlon <hanlonr at cox.net>
• Date: Mon, 28 Feb 2005 03:27:19 -0500 (EST)
• Reply-to: hanlonr at cox.net
• Sender: owner-wri-mathgroup at wolfram.com

As pointed out by another posting, the leaf count causes Simplify to exclude 
the result from FunctionExpand.  Using FunctionExpand directly avoids any 
subsequent "simplification."


Bob Hanlon

> 
> From: Murray Eisenberg <murray at math.umass.edu>
To: mathgroup at smc.vnet.net
> Date: 2005/02/27 Sun AM 01:29:11 EST
> To: mathgroup at smc.vnet.net
> Subject: [mg54729] [mg54687] Re: [mg54640] Re: [mg54602] Simplify and Abs
> 
> Strangely, though, the docs for version 5.1 say:
> 
>    FunctionExpand is automatically called by FullSimplify
> 
> 
> Bob Hanlon wrote:
> > FunctionExpand[Abs[p-1],p<1&&p>1/2]
> > 
> > 1-p
> > 
> >>From: Simon Anders <simon.anders at uibk.ac.at>
To: mathgroup at smc.vnet.net
> > 
> >>Date: 2005/02/24 Thu AM 03:21:06 EST
> >>Subject: [mg54729] [mg54687] [mg54640] [mg54602] Simplify and Abs
> >>
> >>can it really be that this is already beyond Mathematica?
> >>
> >>    In :=  FullSimplify[Abs[p - 1], p < 1 && p > 1/2]
> >>
> >>    Out := Abs[-1 + p]
> 
> 
> -- 
> Murray Eisenberg                     murray at math.umass.edu
> Mathematics & Statistics Dept.
> Lederle Graduate Research Tower      phone 413 549-1020 (H)
> University of Massachusetts                413 545-2859 (W)
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> Amherst, MA 01003-9305
> 
>