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] -> 
First N Perfect Squares
How long is the longest prime diagonal?
Getting the indices from a matrice
Sum of the Matrix Elements
Matlab Basics - Rounding III
I lost the criteria...
Find files with extension ext in the current directory
Expression or variable?
Sum of big primes without primes
Magic is simple (for beginners)
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