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Re: Simplifying things

  • To: mathgroup at smc.vnet.net
  • Subject: [mg26107] Re: Simplifying things
  • From: "Allan Hayes" <hay at haystack.demon.co.uk>
  • Date: Tue, 28 Nov 2000 01:55:53 -0500 (EST)
  • References: <8vfs3v$jkq@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Simplify takes assumptions and has options:

Simplify[Sqrt[a^2], a > 0]

        a

It is not always easy, or even possible,  to automatically get the desired
forms but you can find the methods available by looking up  Simplify and
FullSimpify in the Help Browser.

--
Allan
---------------------
Allan Hayes
Mathematica Training and Consulting
Leicester UK
www.haystack.demon.co.uk
hay at haystack.demon.co.uk
Voice: +44 (0)116 271 4198
Fax: +44 (0)870 164 0565

<djago at my-deja.com> wrote in message news:8vfs3v$jkq at smc.vnet.net...
> Hi!
> I need to simplify looooong equations, but don't know how to get rid of
> those terms like:
>
> Sqrt[a^2]
>
> when a is a real positive variable... How can I tell Mathematica 3 to
> simplify this?
>
> Thanks!
>
>
> Sent via Deja.com http://www.deja.com/
> Before you buy.
>




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