Re: simplify problem
- To: mathgroup at smc.vnet.net
- Subject: [mg5166] Re: simplify problem
- From: danl (Daniel Lichtblau)
- Date: Wed, 6 Nov 1996 01:34:29 -0500
- Organization: Wolfram Research, Inc.
- Sender: owner-wri-mathgroup at wolfram.com
In article <55dkc8$22v at dragonfly.wolfram.com> Tomasz Bieruta
<bieruta at chemie.uni-halle.de> writes:
> I have following problem:
> In u=(a+b)^2; v=(c+d)^2;
> In uv=Expand[u+v]
> Out a^2+2ab+b^2+c^2+2cd+d^2
> How can I revers the above Operation, in this example from
> I want to have (a+b)^2 + (c+d)^2.
> Can someone help me, please ?
> Tomasz B.
> e-mail: bieruta at chemie.uni-halle.de
In version 3.0 one can do this as follows:
In:= u=(a+b)^2; v=(c+d)^2;
In:= FullSimplify[uv] // InputForm
Out= (a + b)^2 + (c + d)^2
Simplify alone is not quite up to the task, though it will factor one
Be aware that FullSimplify can be quite expensive re speed.
Wolfram Research, Inc.
danl at wolfram.com
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