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MathGroup Archive 1999

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Re: A little problem with positive numbers

  • To: mathgroup at smc.vnet.net
  • Subject: [mg18078] Re: A little problem with positive numbers
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Tue, 15 Jun 1999 01:43:35 -0400
  • Delivery-date: Tue Jun 15 09:53:23 1999
  • Organization: Mathematics & Statistics, Univ. of Mass./Amherst
  • References: <7jucr3$5ef@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

What, exactly, are you trying to do?  And what version of Mathematica?

The new Version 4 "Support for assumptions in Simplify, FunctionExpand
and related functions" may do what you need.

attico wrote:
> 
> How can i say to Mathematica that
> a number im using is a positive one?
> I would like to try with
> 
> SetAttributes[x,Positive]
> 
> but, with my surprise, ive discovered
> that this attribute is inexistent.
> Someone can help me?
> 
> Thanx
> 
> Nicola
> nicola at linuz.sns.it

-- 
Murray Eisenberg                     murray at math.umass.edu
Mathematics & Statistics Dept.       phone 413 549-1020 (H)
Univ. of Massachusetts                     413 545-2859 (W)
Amherst, MA 01003-4515

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