MATLAB: Finding repetition numbers in array.

find

A=[1;1;1;2;2;2;2;3;3;3]; %double
%I wanna known how many times 1,2,3 are exist in A matrix with orderly like that;
rep=[3;4;3]; %w.r.t A matrix (3 times 1, 4 times 2 and 3 times 3)

Best Answer

you can have something like this:
A=[1;1;1;2;2;2;2;3;3;3];
B = unique(A); % which will give you the unique elements of A in array B
Ncount = histc(A, B); % this willgive the number of occurences of each unique element
best NS
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