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MathGroup Archive 1998

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Re: Corrupt Mathematica Notebooks

  • To: mathgroup at smc.vnet.net
  • Subject: [mg13160] Re: [mg13074] Corrupt Mathematica Notebooks
  • From: Sean Ross <seanross at worldnet.att.net>
  • Date: Mon, 13 Jul 1998 07:42:10 -0400
  • References: <199807042045.QAA02936@smc.vnet.net.>
  • Sender: owner-wri-mathgroup at wolfram.com

bobmccrory at my-dejanews.com wrote:
> 
> Every three months or so, one of my Mathematica notebooks gets
> corrupted. Since I only use Mathematica to edit these notebooks, the
> corruption is coming from within Mathematica itself.  I use the Windows
> version of Mathematica 3.0.1.  Can anyone tell me why this occurs?  Is
> there any utility to help me rebuild a corrupt notebook?  Are there any
> preventive measures?
> 
> -----== Posted via Deja News, The Leader in Internet Discussion ==-----
> http://www.dejanews.com/rg_mkgrp.xp   Create Your Own Free Member Forum


Could you be more specific about "corrupt".  Do you mean a notebook that
the front end won't open, or that the code no longer executes as
expected, or that the formatting no longer produces consistent
results...

Do your notebooks make use of 2-D equation typsetting?  Are those 2-D
equations in executable code or just in text and headers?

I personally have found some instability in the 2-D executable
equations.  Given sufficient editing, the code may become unexecutable
and produce error messages that identical appearing freshly typed in
code does not produce.  The only "solution" I have come up with is to
use 2-D equation typesetting very sparingly in executable code and then
to avoid editing it.  Not very satisfactory.

As far as rebuilding a "corrupted" notebook, my particular version of
"corruption" can sometimes be recovered by copying and pasting the
code, not the cell into a fresh notebook.


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