MATLAB: How to get combination of elements in a matrix in pair order

matrix manipulationmatrix rearrange

I have a matrix A=[3 5 6 7 8]
i want the output in the form B= [ 3 5
3 6
3 7
3 8
5 3
5 6
5 7
5 8…] like this

Best Answer

A=[3    5    6    7    8];
b = nchoosek(A,2)
b =
     3     5
     3     6
     3     7
     3     8
     5     6
     5     7
     5     8
     6     7
     6     8
     7     8
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