MATLAB: How to count the number of times a number appear in a vector

counthistogramnumber of times

How can I count the number of times a number appear in a vector? A=[ 1 2 3 1 1 6 3 4 2 2 1 1 1 ]
1 appears 7 times 2 appears 3 times 3 appears 3 times and on … Best Regards

Best Answer

Please try the following:
   A = [ 1 2 3 1 1 6 3 4 2 2 1 1 1 ];
   x = unique(A);
   N = numel(x);
   count = zeros(N,1);
   for k = 1:N
      count(k) = sum(A==x(k));
   end
   disp([ x(:) count ]);
HTH.
Rick
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