combination problem

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Mohammad Golam Kibria
Hi suppose I have some values 1 2 3 4.
I want to find all possible combination of these four, taking only two distinct element at a time and store it in a matrix. Is there any one to help me?

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Andrei Bobrov
Andrei Bobrov 2011-9-12
It's like?
out = nchoosek(1:4,2)

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