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
Which doors are open?
Sorted highest to lowest?
07 - Common functions and indexing 4
Rotate Matrix @180 degree
Matlab Basics - Pick out parts of a vector
Matlab Basics II - Log and natural log
Matlab Basics II - Find the roots of a function
Matlab Basics II - Free Fall
Matlab Basics II - Minimum
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