Re: newbie: all possible sums of two lists
- To: mathgroup at smc.vnet.net
- Subject: [mg30683] Re: newbie: all possible sums of two lists
- From: "OBrien-Malone" <dot at dot.dot>
- Date: Sat, 8 Sep 2001 02:22:25 -0400 (EDT)
- Organization: The University of Western Australia
- References: <9n17po$24b$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Outer[Plus, {1, 2, 3}, {10, 20, 30}]
gives
{{11, 21, 31}, {12, 22, 32}, {13, 23, 33}}
"Outer" because you want the generalized outer product. Plus because you
want the sum, not the products (in which case you would have had Times).
Cheers,
Mark.