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RE: How much memory is needed?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg82022] RE: [mg82007] How much memory is needed?
  • From: "Owen, HL \(Hywel\)" <h.l.owen at dl.ac.uk>
  • Date: Wed, 10 Oct 2007 04:17:17 -0400 (EDT)

Just for fun, I tried doing the inverse of:

hb = Table[x/(i + j), {i, 60}, {j, 60}];
Inverse[hb]

On a MacBook with WinXP, 32-bit Mathematica v6, it crashed Mathematica in an odd
way after about 3 minutes. (I got a dialog box with a C program error -
never seen that before).
Under OSX, 64-bit Mathematica v6, it seems to run fine - but didn't finish after
30 minutes, so I stopped the program.
I was using 2GB, dual-core Intel. Hope this helps a bit.

Hywel

> -----Original Message-----
> From: George Soklis [mailto:gsok at panteion.gr] 
> Sent: 09 October 2007 10:39
> To: mathgroup at smc.vnet.net
> Subject: [mg82007] How much memory is needed?
> 
> Hi everyone,
> 
>  
> 
> I am trying to inverse a 60x60 symbolic matrix. 
> 
> Is anybody aware of what memory is needed for this calculation?
> 
>  
> 
> Thanks in advance!
> 
>  
> 
> George 
> 
> 
> 
> 
> 



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