Repeat The components of a matrix so that the size of the output matrix is double to input matrix and components are repeated next to it.
Let Input =
[1 2 3 4 5 6 7]
then Output =
[1 1 2 2 3 3 4 4 5 5 6 6 7 7]
Project Euler: Problem 1, Multiples of 3 and 5
Magic is simple (for beginners)
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