J-G, thanks for the problem. Could you add some more information about expected inputs and outputs? An example and some more tests would be helpful too. If your test suite has exactly one test, it's trivial to write a correct answer.
Is it an Armstrong number?
07 - Common functions and indexing 6
Area of an equilateral triangle
Find maximum value of a curve
factorial of a number x
Bleed non-zeros to the right using REGEXP, and that sort of cheatcodess...
Remove element(s) from cell array
Convert nested struct-array to numeric array
Order of things - 4
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