permutation - summary

["Reyderman, Larisa" <larisa.reyderman@spcorp.com>]

Dear All,

Your responses have  helped me define my question.  I have realized that what I actually needed  was not a matrix with 12! x 12 entries, but rather all combinations of my vector (n=12)  sampled X entries at a time (e.g. where  X=5:11).  Scott Chasalow's "combn" function within his Combinatorics library does just that.

http://www.dpw.wau.nl/pv/pub/chasalow/S/win/combinat/

Many thanks to everybody who responded and to Scott for helping me solve my problem.
Larisa

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