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] -> 
Project Euler: Problem 6, Natural numbers, squares and sums.
Doubling elements in a vector
Will there be a new leader?
Create an n-by-n null matrix and fill with ones certain positions
Two functions (to be sure)
I want to know everything!
Find Missing Number
Pandigital number n°2 (Inspired by Project Euler 32)
Mirror, mirror on the wall, who is fairest of them all?
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