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] -> 
Back to basics 16 - byte order
Make an awesome ramp for a tiny motorcycle stuntman
Find the nearest integer
Sum the numbers on the main diagonal
Extra safe primes
Rank of magic square (for beginners)
Mirror, mirror on the wall, who is fairest of them all?
Numbers spiral diagonals (Part 1)
Chess ELO rating system
BLOCK x3 (Version 4)
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