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Re: All permutations of a sequence

• To: mathgroup at smc.vnet.net
• Subject: [mg76268] Re: All permutations of a sequence
• From: CKWong <CKWong.P at gmail.com>
• Date: Fri, 18 May 2007 06:30:47 -0400 (EDT)
• References: <f2h8t7$v4$1@smc.vnet.net>

<< DiscreteMath`Combinatorica`
n = 5;
lst = Range[n];
lstP = Permutations[lst];
Select[lstP, (SignaturePermutation[#] == 1) &]

Warning:  this algorithm is very slow for large n.