if you're going to post trivial problems that have already been posted before, at least use a proper test suite.
and this one does not even require a solution
Back to basics 9 - Indexed References
Back to basics 26 - Keywords
Make a random, non-repeating vector.
Equal to their cube
Sum of series V
Matlab Basics II - Extract last 3 elements of a vector
Matlab Basics - Logical Tests I
Matlab Basics II - squares
Matlab Basics II - Log and natural log
Matlab Basics II - Velocity of a particle
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