Given a input vector x, return y as index-powered vector as shown below.
x = [2 3 6 9]
then y should be
[2^1 3^2 6^3 9^4] = [2 9 216 6561]
Find all elements less than 0 or greater than 10 and replace them with NaN
Stuff the Board
Create a two dimensional zero matrix
Beginner's Problem - Squaring
Matrix multiplication across rows
Broken numlock key, oppps !
Sum of diagonals elements of a matrix
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