Re: Multiple Sums in Mathematica
- To: mathgroup at smc.vnet.net
- Subject: [mg53729] Re: [mg53696] Multiple Sums in Mathematica
- From: János <janos.lobb at yale.edu>
- Date: Tue, 25 Jan 2005 05:03:31 -0500 (EST)
- References: <200501230702.CAA11122@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Will
In[75]:=
Fold[Sum[f[#1, k],
{k, 1, m}] & , x,
Table[i[j], {j, 1, n}]]
do what you want ?
János
On Jan 23, 2005, at 2:02 AM, 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
>
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- References:
- Multiple Sums in Mathematica
- From: sbrandt@physics.wustl.edu (Sebastian Brandt)
- Multiple Sums in Mathematica