Add two numbers
Back to basics 7 - Equal NaNs
05 - Vector Equations 3
Find nth maximum
Sum of diagonals elements of a matrix
Generate a vector which contains a pyramid pattern (★★★★)
Doubling elements in a vector (★★)
Get the elements of diagonal and antidiagonal for any m-by-n matrix (★★★★)
Remove the row average (★★★)
Approximate functions 1 (★★★)
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