How to generate all permutations of numbers if I have a number twice?

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Mr M.
Mr M. 2018-7-7
回答： Paolo 2018-7-7
I cannot use perms([1 2 2]) because I dont want 1,2,2 twice.

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回答（1 个）

Paolo
Paolo 2018-7-7
How about calling unique function after perms?
data = unique(perms([1 2 2]),'rows');
data =
1 2 2
2 1 2
2 2 1

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