I really don't see the point of that kind of problems where you can't use Matlab built-in functions.
Find relatively common elements in matrix rows
Back to basics 14 - Keywords
Compute a dot product of two vectors x and y
Make a logical diamond using GALLERY function
Assign numerical values to a structure with 1 field
Unique values without using UNIQUE function
Convert a structure into a string
Wind outward from the center ...
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