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
First N Perfect Squares
Back to basics 5 - Clipboard
Switch matrix to a column vector
Square the input
Summation of array
Matlab Basics II - Max & Index of Max
Matlab Basics - Set unwanted parts of a vector to zero
Matlab Basics - Logical Tests I
Matlab Basics - Rounding II
Matlab Basics II - 3 Dimensional Arrays
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