permutations?
- To: mathgroup at smc.vnet.net
- Subject: [mg46466] permutations?
- From: sean_incali at yahoo.com (sean kim)
- Date: Thu, 19 Feb 2004 03:02:29 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
I think this is a permutation problem. but i'm not sure. do correct me. let's say you have... a, b, c, d, e and... a', b', c', d', e' what are the possible combination will go from a( or a' ) to e ( or e') so that you get... {a b c d e}, {a b c d e'}, {a b c d' e}, {a b c d' e'}, {a b c' d e}, { a b c' d' e}, {a, b, c' d e'}, {a, b, c' d' e'}....so on I have 32 from doing it the brute force way by hand. how do i do that with Mathematica? I don't think it's fully connected graph. because a only connects to downstream b or b' also... what kinda problem is described above? Thank you all very much in advance for any thoughts and comments. sean
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