I really don't see the point of that kind of problems where you can't use Matlab built-in functions.
Tic Tac Toe FTW
Renaming a field in a structure array
Arrange Vector in descending order
Replace multiples of 5 with NaN
Convert a numerical matrix into a cell array of strings
Convert a structure into a string
Return unique values without sorting
Angle between two vectors
Cody Computer Part 1 - Guess the system font used by uipanel
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