Re: Multiple Sums in Mathematica
- To: mathgroup at smc.vnet.net
- Subject: [mg53710] Re: Multiple Sums in Mathematica
- From: highegg at centrum.cz (highegg)
- Date: Mon, 24 Jan 2005 03:37:34 -0500 (EST)
- References: <6qyqawxiuj2s@legacy>
- Sender: owner-wri-mathgroup at wolfram.com
On 22 Jan 05 16:04:14 -0500 (EST), Sebastian Brandt wrote:
>Hello,
>
>I want to perform a nested sum, where the number of summations is not
>specified. I.e., I am looking for a way to implement the sum
>
>sum[ f, {i1, 1, M}, {i2, 1, M}, ..., {in, 1, M} ]
>
>Does anbody know how to do this for arbitrary n?
>
>Regards,
>
>Sebastian Brandt
hi,
for example
brutalSum[n_Integer]:=
Plus@@(Array[f,Table[M,{n}]])