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] -> 
Sort a list of complex numbers based on far they are from the origin.
How many trades represent all the profit?
Matlab Basics - Convert a row vector to a column vector
Getting the indices from a matrice
Numbers spiral diagonals (Part 2)
Magic is simple (for beginners)
Divisors for big integer
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