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MathGroup Archive 2004

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Re: Mean

  • To: mathgroup at smc.vnet.net
  • Subject: [mg48174] Re: Mean
  • From: spam at husumtoften.invalid (Per Rønne)
  • Date: Sat, 15 May 2004 03:56:33 -0400 (EDT)
  • References: <c83t48$mbc$1@smc.vnet.net>
  • Reply-to: spam at husumtoften.dk (Per Rønne)
  • Sender: owner-wri-mathgroup at wolfram.com

Bill Rowe <readnewsciv at earthlink.net> wrote:

>But since Mean is a protected symbol built into the kernel starting
>with version 5.0 of Mathematica, I would not expect Mathematica to
>return an unevaluated result unless you intentionally unprotected Mean
>and created a new definition.
> 
> If you cut and paste
> 
> Mean[{4.7, 7.2, 8.4, 5.8, 9.2, 3.9}]
> 
>from this email into a fresh Mathematica expression then evaluate it
>using shift-return do you get the correct result? If the answer is yes,
>then there must have been something you did earlier to cause
>Mathematica not to evaluate Mean.
>
$Version returns

4.2 for Mac OS X (October 20, 2002)

- which explains everything [except one obsolete book and one book which
is "too new"].
-- 
Per Erik Rønne


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