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
Select every other element of a vector
Rotate a Matrix
Getting the absolute index from a matrix
Add two numbers
Matlab Basics II - Max & Index of Max
Replace every 3rd element in a vector with 4
Matlab Basics II - Minimum
Matlab Basics - Rounding III
Matlab Basics II - Count rows in a matrix
Matlab Basics - Convert a row vector to a column vector
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