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] -> 
How to find the position of an element in a vector without using the find function
sum of non-primes
03 - Matrix Variables 1
Produce a sine wave
Getting the indices from a matrice
Recycled Numbers (CodeJam Qualification Round 2012)
Decrypt the cypher using XOR encryption (for beginners)
BLOCK x3 (Version 1)
Magic is simple (for beginners)
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