Re: Expressions with ellipsis (...)
- To: mathgroup at smc.vnet.net
- Subject: [mg93040] Re: Expressions with ellipsis (...)
- From: dh <dh at metrohm.ch>
- Date: Fri, 24 Oct 2008 02:32:10 -0400 (EDT)
- References: <gdmsbd$jv$1@smc.vnet.net>
Hi David,
you can not simply invent your own syntax. Mathematica can not be used
without reading the manual! For a sum the magic word is Sum:
Limit[Sum[(n-i)^2,{i,0,n-1}]/n^3,n->Infinity]
hope this helps, Daniel
dch888 wrote:
> 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.
>
>
--
Daniel Huber
Metrohm Ltd.
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