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]
Better bullseye matrix
Return 'on' or 'off'
Who invented zero?
Given an input string, generate a variable name out of it
Find and replaces spaces from a input string with *
Tax Season ! How much is my salary?
Broken numlock key, oppps !
Back to basics - mean of corner elements of a matrix
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