Suppose, I have a cell array, a, with contents as such:
a{1}=[1 3 4 5; 3 3 4 5; 5 5 4 5 2 4 2 6; 6 5 2 6 7 2 3 1;]
How can I apply the 'unique' function on 2 columns [column 3 and 4] such that they will return the value '3' and '2'. [Since there are 3 duplicates for the pair 4,5 and 2 duplicates for the pair 2,6.]
Any hint is greatly appreciated.
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