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
Is this triangle right-angled?
Matlab Basics II - Determine if an array has a 3rd dimension
Calculate square and cube of number
Matlab Basics II - Velocity of a particle
Matlab Basics II - Minimum
Matlab Basics - Set unwanted parts of a vector to zero
Matlab Basics - Absolute Value
Matlab Basics II - Log and natural log
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