Re: direct product of two sets
- To: mathgroup at smc.vnet.net
- Subject: [mg53282] Re: [mg53264] direct product of two sets
- From: DrBob <drbob at bigfoot.com>
- Date: Tue, 4 Jan 2005 03:13:16 -0500 (EST)
- References: <200501030929.EAA10701@smc.vnet.net>
- Reply-to: drbob at bigfoot.com
- Sender: owner-wri-mathgroup at wolfram.com
For instance:
a=Range@3;b=Range@2;
Distribute[{a,b},List]
{{1,1},{1,2},{2,1},{2,2},{3,1},{3,2}}
or
Flatten[Outer[List,a,b],1]
{{1,1},{1,2},{2,1},{2,2},{3,1},{3,2}}
Bobby
On Mon, 3 Jan 2005 04:29:45 -0500 (EST), Cong <vo.chi.cong at is.titech.ac.jp> wrote:
> Hello!
>
> Give 2 finite sets A and B, how can I compute their direct product
> A x B := {(a,b) : a\in A, b\in B}
>
> Can someone help me?
>
> Best Regards,
>
> Cong
>
>
>
>
--
DrBob at bigfoot.com
www.eclecticdreams.net
- References:
- direct product of two sets
- From: vo.chi.cong@is.titech.ac.jp (Cong)
- direct product of two sets