Flipping matrix up and down.
If a central row is exists, leave it, and flip remaining rows.
Mat = magic(3)
Mat = [8 1 6;
3 5 7;
4 9 2]
-> A = [4 9 2;
3 5 7;
8 1 6]
The Goldbach Conjecture
Count up then down
Find out value of sine given by degree.
Make an identity matrix whose diagonal elements are 1:n
Replicate and Tile an Array
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