Product over an arbitrary index.

*To*: mathgroup at smc.vnet.net*Subject*: [mg68683] Product over an arbitrary index.*From*: quantieny at gmail.com*Date*: Wed, 16 Aug 2006 03:36:14 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com

I have a function f(x,y) that I would like to compute the product over indices i,j where i goes from an arbitrary list {1,4,3} and j goes 1 to m. Is this possible in mathematica the function Product itself seems to only work over a continous sequence and it is not clear how I can use two set of indices. Additionally can I specify the product over an intersection or complement of a list?. Thanks, K Frou

**Follow-Ups**:**Re: Product over an arbitrary index.***From:*Sseziwa Mukasa <mukasa@jeol.com>