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Re: Multiple Sums in Mathematica


Fold[Sum[f[#1, k],
  {k, 1, m}] & , x,
  Table[i[j], {j, 1, n}]]

do what you want ?


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
Trying to argue with a politician is like lifting up the head of a 
(S. Lem: His Master Voice)

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