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] -> 
Reverse Run-Length Encoder
Back to basics 4 - Search Path
We love vectorized solutions. Problem 1 : remove the row average.
Add two numbers
Create an n-by-n null matrix and fill with ones certain positions
Find the path through the cell
Find files with extension ext in the current directory
Numbers spiral diagonals (Part 2)
Mysterious digits operation (easy)
Pandigital number n°2 (Inspired by Project Euler 32)
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