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Serious Mathematica Problem


Hi,

Can any one give me some suggestions:

I have a very serious and very peculiar Mathematica problem. One  
minute mathematica was working, and the next it wasn't! I was doing
a numerical calculation and it seemed to be taking too long. Soon
mathematica had taken up my remaining 10-20MB of space. I quit the
session; logged out; rebooted to clear the space; and when I logged
back in all the icons were missing (I had to replace them by hand).  
Now when I try to evaluate a cell in a note book nothing happens -  
the cell brace activates like it's doing the calculation, but it  
never finishes. I can open notebooks and run animation, but I can't  
evaluate ANYTHING. The notebook that I was editing at the time,  
however, won't even open. I can't make new notebooks because  
mathematica won't start up there either. I tried something very
drastic. I logged in as root, and installed mathematica again from
scratch. Still no improvement!! I also tried running mathematica
from a shell window. Here is what I got:

thnext:% math
Mathematica 2.0 for NeXT
Copyright 1988-91 Wolfram Research, Inc.
/usr/local/bin/math: 287 Memory fault
thnext:%

What is a Memory fault?!? Does anyone have ANY clue what could be  
wrong?!????!? Thanks very much for any suggestions.

Bob Singleton
bobs at thnext.mit.edu






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