Watch out! Martix size!
This works in Matlab but not here? It fails on Test 3, but when I use the same value of x and the same function in Matlab it works...
Your output y is a row vector (or scalar), but in 3'rd test it should be a column vector. Predefine y first with the same size as x.
Which doors are open?
Calculate the Levenshtein distance between two strings
Check to see if a Sudoku Puzzle is Solved
Doubling elements in a vector
Lychrel Number Test (Inspired by Project Euler Problem 55)
Specific Element Count
Multiples of a Number in a Given Range
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