Re: Product over an arbitrary index.
- To: mathgroup at smc.vnet.net
- Subject: [mg68742] Re: Product over an arbitrary index.
- From: "Norbert Marxer" <marxer at mec.li>
- Date: Thu, 17 Aug 2006 04:18:55 -0400 (EDT)
- References: <ebujmf$6jo$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hello
With your data
li1 = {1, 4, 3};
m = 3; li2 = Table[i, {i, 1, m}];
all you need is
Outer[f, li1, li2] /. List -> Times
Best Regards
Norbert Marxer
www.mec.li
quantieny at gmail.com wrote:
> 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