If I have a vector [1 2 3] and I want all combinations of these values along 6 elements so I will have (3^6) combinations in one vector, How can I do?

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Ahmed Ibrahim
Ahmed Ibrahim 2017-5-31
回答： Guillaume 2017-5-31
If I have a vector [1 2 3] and I want all combinations of these values along 6 elements so I will have (3^6) combinations in one vector, How can I do?

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Guillaume
Guillaume 2017-5-31
Most likely there's already an implementation on the FileExchange. Otherwise, it's easy to implement:
elements = [1 2 3];
count = 6;
combs = cell(1, count);
[combs{:}] = ndgrid(elements);
combs = reshape(cat(count + 1, combs{:}), [], count)

更多回答（1 个）

ES
ES 2017-5-31
perms
example:
perms(repmat([1 2 3], 1,2))

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