I have a matrix of values that include integers >= 0. There are repeats, and also gaps in consecutiveness. I would like to collapse the data into consecutive integers, keeping the order intact.
Example: [ 0 1 4 4 1 5 8 1 4]
would go to
[ 0 1 2 2 1 3 4 1 2]
I can do this with loops and brute force, but I'm wondering if there's any quick way to do this since it is frequently called within a loop?
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