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 a vector is monotonically increasing
Reverse the vector
Return the first and last character of a string
02 - Vector Variables 5
Swap two numbers
Decrypt the cypher using XOR encryption (for beginners)
Pandigital number n°2 (Inspired by Project Euler 32)
Numbers spiral diagonals (Part 2)
Pandigital number n°1 (Inspired by Project Euler 32)
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