       Re: General form of a summation as a function of 2

• To: mathgroup at smc.vnet.net
• Subject: [mg97412] Re: [mg97376] General form of a summation as a function of 2
• From: DrMajorBob <btreat1 at austin.rr.com>
• Date: Thu, 12 Mar 2009 05:43:58 -0500 (EST)
• References: <200903120717.CAA23479@smc.vnet.net>

```No clue what your notation means:

sum_{k=0}^n (k/n)

but MAYBE you mean

Sum[k/n, {k, 0, n}]

(1 + n)/2

Bobby

On Thu, 12 Mar 2009 02:17:34 -0500, David Diez <david at stat.ucla.edu> wrote:

> My goal is to have a general form of a summation that is a function of
> two variables, and would like to see if Mathematica can be used to
> determine the general form.
>
> For example, with a single variable, is there a way to get Mathematica
> to take
>
> sum_{k=0}^n (k/n)
>
> and determine the general formula for the sum (as a function of 'n') is
> (n+1)/2?
>
> The problem I am looking at is a bit more complicated (incorporates a
> five factorials) and is a function of two variables, m and n. I have
> never programmed in Mathematica (but do have programming experience in a
> few languages), and any direction on what resources or functions are
> appropriate for this sort of problem would be greatly appreciated. If
> this sort of thing can only be done in one variable, that would also be
> very useful since I'll just look at a particular case (when the two
> variables are equal: m=n).
>
> Thanks much for any help,
> David
>

--
DrMajorBob at bigfoot.com

```

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