Replicate each element of a row vector (with NaN) a constant number of times.
n=2, A=[1 2 3] -> [1 1 2 2 3 3]
n=0, A=[2 1] -> 
Determine Whether an array is empty
Rotate a Matrix by 90 degrees
06 - Matrix Equations 2
Max of a Vector
Find the 9's Complement
Rank of magic square (for beginners)
Longest Collatz Sequence
Pandigital number n°2 (Inspired by Project Euler 32)
Find indices of diagonal elements
Find the path through the cell
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