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MathGroup Archive 2008

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Re: Expressions with ellipsis (...)

  • To: mathgroup at smc.vnet.net
  • Subject: [mg93046] Re: [mg92995] Expressions with ellipsis (...)
  • From: "Adriano Pascoletti" <adriano.pascoletti at gmail.com>
  • Date: Fri, 24 Oct 2008 02:33:16 -0400 (EDT)
  • References: <200810220939.FAA00651@smc.vnet.net>

In[11]:= Limit[Sum[i^2, {i, 1, n}]/n^3, n -> Infinity]
Out[11]= 1/3

Adriano Pascoletti
2008/10/22 dch888 <dch888 at googlemail.com>

> Hi Mathematica Friends,
>
> I want to do this:
>
> Limit[(n^2 + (n - 1)^2 + (n - 2)^2 + ... + 1)/n^3, n -> Infinity]
>
> But Mathematica barfs:
>
>     expression cannot be followed by "...".
>
> Searching the help for 'ellipsis' gives me the Unicode 2026 character
> (i.e. ...).
>
> How can I get Mathematica to eval this limit?
>
> Thanks,
> David.
>
>
>


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