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
Number of 1s in the Binary Representation of a Number
Back to basics 12 - Input Arguments
Maximum value in a matrix
Matlab Basics II - Count rows in a matrix
Matlab Basics - y as a function of x
Matlab Basics II - Create a vector with a repeated entry
Matlab Basics II - Free Fall
Matlab Basics II - Unit Conversion
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