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Math Forum » Discussions » Software » comp.soft-sys.math.mathematica

Topic: Units question
Replies: 14   Last Post: Jan 15, 2011 4:44 AM

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Charles Gillingham

Posts: 9
Registered: 10/30/10
Re: Units question
Posted: Jan 13, 2011 3:28 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

Sorry, should have said:

Use Assumptions to tell Mathematica that these are positive Real numbers.

Simplify[ ... , Meter > 0 && Second > 0 ]

Begin forwarded message:

From: Charles Gillingham <cgillingham1@me.com>
Date: January 12, 2011 1:09:09 AM
Subject: Re: Units question

Use Assumptions to tell mathematics that these are real numbers.

Simplify[ ... , Element[ meters, Reals ] ]

Charles

Begin forwarded message:

> From: Ted Sariyski <tsariysk@craft-tech.com>
> Date: January 11, 2011 4:23:55 PM PST
> To: mathgroup@smc.vnet.net
> Subject: Units question
>

> Hi,
> Working with units I get correct result:
>
> Sqrt[Meter^2/Second^2] Second)/Meter^2
>
> How to tell Mathematica to simplify the result to Meter^-1?
> Simplify and FullSimplify doesn't do the job.
> Thanks in advance,
> --Ted
>



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