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Re: list combinations

• To: mathgroup@smc.vnet.net
• Subject: [mg11054] Re: [mg11000] list combinations
• From: seanross@worldnet.att.net
• Date: Wed, 18 Feb 1998 20:31:58 -0500
• References: <199802160840.DAA11510@smc.vnet.net.>

Daniel Sanders wrote:
> 
> Hi All,
> 
> I have a bit of bother here about creating a list.  The problem: Given a
> set of lists of the same dimension, example
> list={{1,2},{2,3},{5,6},{7,8}}, I want to join them in sets of two such
> that every combination is joined.  So, if list is of Dimensions={5,2},
> the new list will be of Dimensions={10,2,2}.  I think that states the
> basic problem.  I want to use standard issue Mathematica functions
> without calling up a package, or simulating the style of another
> program language like Pascal.
> 
> Thanks in advance for any help.
> 
> Dan


I am not exactly sure what you want to do here.  If you could give a
simple example perhaps I could be of more help.  Whatever you want to
do, I am sure you can do it with the standard list manipulation
functions like:  Join, Map, MapThread, Thread, List, Take, Reverse,
Transpose etc.
-- 
Remove the _nospam_ in the return address to respond.

• References:
  • list combinations
    • From: Daniel Sanders <dman777@earthlink.net>