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Re: Referencing Equations by Number

• To: mathgroup at smc.vnet.net
• Subject: [mg23993] Re: Referencing Equations by Number
• From: paulh at wolfram.com (P.J. Hinton)
• Date: Mon, 19 Jun 2000 01:45:35 -0400 (EDT)
• Organization: "Wolfram Research, Inc."
• References: <8ihu2j$l9q@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

In article <8ihu2j$l9q at smc.vnet.net>,
 "Kevin J. McCann" <Kevin.McCann at jhuapl.edu> writes:

> I use Mathematica 4.0 to generate notes for my courses in physics. However, when I
> revise these notes, I often insert or delete equations thereby changing all
> of the succeeding equation numbers. Is there a way to tag references to
> these equations in the text so that when the equation number changes, the
> corresponding text changes as well. For example
> 
>     a + b + c = 0              (1)
> 
> Equation (1) is ...
> 
> If I now insert another equation before (1), how can I work it so that the
> text automatically changes to
> 
> Equation (2) is ...

See this tutorial for a discussion of how counters work in Mathematica.

http://www.mathsource.com/Content/General/Tutorials/Programming/0209-821

-- 
P.J. Hinton
Mathematica Programming Group           paulh at wolfram.com
Wolfram Research, Inc.
Disclaimer: Opinions expressed herein are those of the author alone.