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]
Tic Tac Toe FTW
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Getting the absolute index from a matrix
Max index of 3D array
Create a vector
Back to basics - mean of corner elements of a matrix
Let's get back to school, and create multiplication tables
Matrix to column conversion
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