"cat" is a really nice touch for concatenation of those arrays! your solutions never fail my expectation.
by the way, i saw that "sub-func" comment...:)
Calling the two sub-functions the right way will not hurt your score. Great work though. :)
Reverse Run-Length Encoder
Matrix with different incremental runs
Get the elements of diagonal and antidiagonal for any m-by-n matrix
03 - Matrix Variables 3
07 - Common functions and indexing 1
Sum of Two Numbers
Find the average of a random sequance
Find the largest number
Horizontal matrix sort
Approximate the cosine function
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