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
Sort a list of complex numbers based on far they are from the origin.
Doubling elements in a vector
Output any real number that is neither positive nor negative
find radius of cone
Matlab Basics II - Unit Conversion
Matlab Basics - Create a row vector
Matlab Basics - Pick out parts of a vector
Matlab Basics II - Minimum
Replace every 3rd element in a vector with 4
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