You just wrote down the permutations of the set {1, 2, 3}. What was your
thought process in producing this list?
Sent from my iPad
On Feb 13, 2011, at 4:42 PM, Xiaojian Wang <xia...@hotmail.com> wrote:
> I want to make a permutation of a word, for example 1 2 3
>
> it should return
> 1 2 3
> 1 3 2
> 2 1 3
> 2 3 1
> 3 1 2
> 3 2 1
>
> or
> (list (list 1 2 3)
> (list 1 3 2)
> .
> .
> .
>
> Could you help me with this?
>
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