Re: All Possible Combinations from N Sublists
- To: mathgroup at smc.vnet.net
- Subject: [mg97672] Re: [mg97639] All Possible Combinations from N Sublists
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Wed, 18 Mar 2009 04:55:36 -0500 (EST)
- Reply-to: hanlonr at cox.net
myList = {{1, 2, 3}, {e, f}, {g, h}};
Flatten[Outer[List, Sequence @@ myList], Length[myList] - 1]
{{1, e, g}, {1, e, h}, {1, f, g},
{1, f, h}, {2, e, g}, {2, e, h},
{2, f, g}, {2, f, h}, {3, e, g},
{3, e, h}, {3, f, g}, {3, f, h}}
Tuples[myList]
{{1, e, g}, {1, e, h}, {1, f, g},
{1, f, h}, {2, e, g}, {2, e, h},
{2, f, g}, {2, f, h}, {3, e, g},
{3, e, h}, {3, f, g}, {3, f, h}}
% == %%
True
Bob Hanlon
On Tue, Mar 17, 2009 at 6:54 AM , Donald DuBois wrote:
> Given a list of N sublists, how can I produce all possible
> combinations where the first
> element comes from the first sublst, the second element from the
> second sublist etc.
>
> For instance,
> myList = {{1, 2, 3}, {e, f}, {g, h}}
>
> the result should be,
>
> {{1, e, g}, {1, e, h}, {1, f, g}, {1, f, h}, {2, e, g}, {2, e, h}, {2,
> f, g}, {2, f, h}, {3, e, g}, {3, e, h}, {3, f, g}, {3, f, h}}
>
> Thank you.