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 the two elements next to NaN value
Get the elements of diagonal and antidiagonal for any m-by-n matrix
The Answer to Life, the Universe, and Everything
Close MATLAB with keyboard
Decrypt the cypher using XOR encryption (for beginners)
Rank of magic square (for beginners)
Numbers spiral diagonals (Part 1)
Generalised Hamming Number
Sum of big primes without primes
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