I really don't see the point of that kind of problems where you can't use Matlab built-in functions.
Word Counting and Indexing
Back to basics 9 - Indexed References
Convert a numerical matrix into a cell array of strings
Calculate a Damped Sinusoid
Unique values without using UNIQUE function
Cody Computer Part 3 - Detect the graphic card used on Cody Computer
Create a vector whose elements depend on the previous element
Assign numerical values to a structure with 1 field
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