Find the sum of all the numbers of the input vector
First N Perfect Squares
Angle between two vectors
Back to basics 22 - Rotate a matrix
Generate a vector which contains a pyramid pattern (★★★★)
Matrix with increasing numbers (★★★★)
Mo money, mo math #2! (★★★)
Reindex a vector (★★)
Logarithmically spaced vector creation using logspace
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