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

**References**:**Multiple Sums in Mathematica***From:*sbrandt@physics.wustl.edu (Sebastian Brandt)