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2010 Oct 07
2
Counting unique items in a list of matrices
Hello, I gave a list of 2 x 2 matrices called matlist. I have about 5000 2 x 2 matrices. I would like to count how many of each 2 x 2 unique matrix I have. So I am thinking that I need a list of the unique 2 x 2 matrices and their counts. Can anyone help. -- Thanks, Jim. [[alternative HTML version deleted]]