I really don't see the point of that kind of problems where you can't use Matlab built-in functions.
Knight's Tour Checker
Back to basics 19 - character types
Back to basics 25 - Valid variable names
Multiply a column by a row
Make a logical diamond using GALLERY function
Matrix with different incremental runs
Angle between two vectors
Fill a zeros matrix
Cody Computer Part 1 - Guess the system font used by uipanel
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