This is what I have (below). I am wondering if there is a better way of accomplishing the aforementioned task. Also, is there a name for this process? I don't have a formal computer science education so I'm curious.
A = randi(9,5,2); % Initialize matrix.uA = unique(A); % Unique values of A.B = A; % Output.for idx = 1:length(uA) % Index to unique values, replace withB(B == uA(idx)) = idx; % their sorted indices.end