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 25 - Valid variable names
Doubling elements in a vector
Find the hypotenuse
Sum of the Matrix Elements
Matlab Basics II - Velocity of a particle
Matlab Basics II - Intervals
Matlab Basics II - 3 Dimensional Arrays
Matlab Basics II - Free Fall
Matlab Basics - Create a row vector
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