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MathGroup Archive 2004

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Re: Tr vs Total

  • To: mathgroup at
  • Subject: [mg49409] Re: Tr vs Total
  • From: Bill Rowe <readnewsciv at>
  • Date: Sun, 18 Jul 2004 08:09:19 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

On 7/16/04 at 6:06 AM, BobHanlon at wrote:


>5.0 for Mac OS X (November 19, 2003)

>Tr[Table[8000000, {269}]]==
>Total[Table[8000000, {269}]]==
>Plus@@Table[8000000, {269}]


Interesting. It appears the problem exists only in certain versions, i.e.,


"5.0 for Mac OS X (June 10, 2003)"

Tr[Table[8000000, {269}]] === Total[Table[8000000, {269}]]


Total[Table[8000000, {269}]] === Plus@@Table[8000000, {269}]


I used "===" instead of "==" since my version of Mathematica leaves Tr[Table[8000000, {269}]] unevaluated
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