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]
Implement a ROT13 cipher
Project Euler: Problem 7, Nth prime
Swap the input arguments
Specific Element Count
Replacing a row
Back to basics - mean of corner elements of a matrix
User defined nextpow function
Broken numlock key, oppps !
Back to basics - array operations
Matrix to column conversion
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