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] -> 
Remove all the consonants
Read a column of numbers and interpolate missing data
Is it a number?
07 - Common functions and indexing 3
Numbers spiral diagonals (Part 2)
Magic is simple (for beginners)
Find the path through the cell
Find my secret number
Chess ELO rating system
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