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] -> 
Find the sum of all the numbers of the input vector
Right and wrong
Create incrementing array
07 - Common functions and indexing 3
Two functions (to be sure)
Getting the indices from a matrice
Recycled Numbers (CodeJam Qualification Round 2012)
Decrypt the cypher using XOR encryption (for beginners)
Add more zeros
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