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Thread View: sci.math.num-analysis
1 messages
1 total messages Started by Armando Fortuna Thu, 27 Aug 1992 10:52
Mathematica 2.0 for MS-Windows Help!
#364
Author: Armando Fortuna
Date: Thu, 27 Aug 1992 10:52
42 lines
2143 bytes
Hi netters,
A friend of mine has Mathematica 2.0 for MS-Windows. He has been having 
a few problems, and asked me to post this message.

1) It seems that, when a graphic is plotted on the screen, memory is
used, and there seems to be no way to get it back. You have to leave
Mathematica (ie "close" it0, and start again... Is there anyway to
reclaim memory after it has been taken? "Clear" and "ClearAll" do not
work...

2) Sometimes, when Mathematica is told to solve an equation, it crashes.
If you tell it to

Solve[a*x^4+b*x^3+c*x^2+d*x+e==0,x]

you can say good-bye to windows... If crashes just after it beeps, as if saying
that it has evaluated the expression above. Windows freezes, and you have
to *reboot* the machine.

The manual says that the program should be able to "Solve" polynomial
equations up to degree 4, and a few of higher degrees. 

After Mathematica loads its Kernel, there are 4.3 Meg of free (virtual)
RAM.

Plot a few 3D graphics, and you'll soon find yourself with 1 Meg free RAM,
and below that, the program crashes taking the computer along...

We would appreciate any help, and I'll post the answers.

Thanks,
Armando
--
===========================================================================
Armando de Oliveira Fortuna                    E-mail: fortuna@cs.man.ac.uk
Dept. of Computer Science                      Tel.: +44 61 275-6132
University of Manchester                       Fax.: +44 61 275-6204
Oxford Road
Manchester M13 9PL                          "...It works better...
England                                             ...if you plug it in..."
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All opinions expressed are mine only! If you think otherwise, think it over!
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