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Re: Q: Using dynamic referencing for numbered equations

  • To: mathgroup at
  • Subject: [mg33540] Re: [mg33263] Q: Using dynamic referencing for numbered equations
  • From: Omega Consulting <omega_consulting at>
  • Date: Fri, 29 Mar 2002 06:13:39 -0500 (EST)
  • Sender: owner-wri-mathgroup at

At 04:09 AM 3/12/2002, Raul Martinez wrote:
>To the Group:
>I use a notebook style that allows using cells for numbered equations.
>Inserting or deleting an equation renumbers all the others
>When I type notes in text cells, I refer to the equations by number, as
>usual, but I have been entering the equation numbers manually. As a
>result, I have to change manually the references to the equations
>whenever an equation is inserted or deleted. How can I have the
>reference to the equation also update automatically?
>Thanks in advance.
>Raul Martinez

First, add a CellTag to the cell that contains the number you want to 
reference. Select the cell and use the menu item Find>Add Remove Cell Tags 
to give it a CellTag.

Then, use the menu item Input>Create Automatic Numbering Object to create a 
counter. Under "Counter Type:" set the type of counter being referenced. 
(For example, NumberedEquation.) Then, select the radio button "The first 
cell with the tag:". In the text field, put the CellTag you created.

This creates a counter in one location that displays the value of the 
counter at the location of the CellTag.

Omega Consulting
"The final answer to your Mathematica needs"

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