Re: Combinatorics question
- To: mathgroup at smc.vnet.net
- Subject: [mg3322] Re: [mg3288] Combinatorics question
- From: Robert Pratt <rpratt at math.unc.edu>
- Date: Mon, 26 Feb 1996 02:56:20 -0500
- Sender: owner-wri-mathgroup at wolfram.com
Open the Combinatorica Package. <<DiscreteMath`Combinatorica` Then use the command KSubsets. KSubsets[list, 6] where list is your list of twenty elements. KSubsets returns the 38760 combinations in lexicographic order. Rob Pratt Department of Mathematics The University of North Carolina at Chapel Hill CB# 3250, 331 Phillips Hall Chapel Hill, NC 27599-3250 rpratt at math.unc.edu On Fri, 23 Feb 1996 PESCC at CUNYVM.CUNY.EDU wrote: > Can somenone help me find the following: > > I have a list of 20 numbers, and I would like to list all the > combinations of these numbers taken 6 at a time. The Binomial > function tells me there are 38760, but I would like to actually > see all of them. > Thanks in advance for your help. > > ==== [MESSAGE SEPARATOR] ====