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MathGroup Archive 2005

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Re: Mathemaica 5.2 are the 64 Bit an illusion !!!....?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg60651] Re: Mathemaica 5.2 are the 64 Bit an illusion !!!....?
  • From: LumisROB <lumisrob_NOGOOD_ at yahoo.com>
  • Date: Fri, 23 Sep 2005 04:19:55 -0400 (EDT)
  • References: <dgr2cl$85f$1@smc.vnet.net> <dgtivg$266$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

On Thu, 22 Sep 2005 06:29:04 +0000 (UTC), Dave Seaman
<dseaman at no.such.host> wrote:

>
>Incorrect.  First of all, your arithmetic is wrong, since 10^4 * 10^4 * 8 is
>only 800 MB, not 4 GB.  Secondly, I have created arrays bigger than 9 GB using
>Mathematica 5.2 on a Mac G5.

....and 800 MB * 4 = 3.2 GB  (Attention, I have expressly said 4
matrixes ).
 What type of matrixes? I hope is not those all of 0 as you had
already told me in another newsgroup (sci.math.symbolic). Test please
using Table and an expression of the single element an a little more
complicated (or that from me suitable): it would interest me to know
the result in this case.  
However, for the precision and correctness I have not verified on Mac
but only on WinXP and Linux.  

However thanks of the help. 
Cordiality
ROB


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