MATLAB: Making sub arrays of first column depending on the second column number

Question

Hi,

I have a matrix with 2 columns let's assume [ 15 2;14 2;10 3;13 3;9 3] how can I get sub arrays from the first column that corresponds to the same number of second column. in this example [15 14] and [10 13 9]? Appreciate your help. Thanks.

Answer 1

Wanted = splitapply(@(x){x},a(:,1),findgroups(a(:,2))) % where a is your matrix
celldisp(Wanted)