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
Most nonzero elements in row
Reverse the vector
Back to basics 6 - Column Vector
Area of an equilateral triangle
Matlab Basics II - Create a vector with a repeated entry
Matlab Basics II - 3 Dimensional Arrays
Matlab Basics - Pick out parts of a vector
Matlab Basics II - Unit Conversion
Matlab Basics II - Find the roots of a function
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