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
Determine the number of odd integers in a vector
03 - Matrix Variables 5
Flip the vector from right to left
Matlab Basics II - Determine if an array has a 3rd dimension
Matlab Basics - Switching Assignments
Matlab Basics - Absolute Value
Matlab Basics - Pick out parts of a vector
Matlab Basics - Set unwanted parts of a vector to zero
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