Re: Binomial Coefficients
- To: mathgroup at smc.vnet.net
- Subject: [mg5802] Re: [mg5782] Binomial Coefficients
- From: Dave Snead <dsnead at pacbell.net>
- Date: Wed, 22 Jan 1997 00:44:11 -0500
- Organization: Saguaro Software
- Sender: owner-wri-mathgroup at wolfram.com
H. Thompson wrote: > > I understand about k-permutations and 'n choose k', and while i can > mathematically determine the max possible combinations of say a 5 character > string > > n! / [k! (n-k)!] > I have yet to successfully debug my algorithm so it produces all of the > calculated permutations. > > Any help would be greatly appreciated. > > hrt While Binomial[n,k] gives the number of combinations, KSubsets[a,k] (where a is an n element set) will give you a list of all the combinations. It's located in the standard package: DiscreteMath`Combinatorica` Dave Snead dsnead at pacbell.net