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
Return elements unique to either input
Is it a number?
Sum the numbers on the main diagonal
Matlab Basics - Rounding III
Matlab Basics II - Velocity of a particle
Matlab Basics - Convert a row vector to a column vector
Matlab Basics II - 3 Dimensional Arrays
Matlab Basics - y as a function of x
Matlab Basics - Logical Tests I
Matlab Basics II - Log and natural log
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