Additional test cases have been added.
I am new to MATLAB and this was first problem I created. So happy to see variety of solutions I could not think of! Thanks and enjoy coding!
Bravo! You are the leading solver!
I didn't know "rot90" before. I was looking for it. Thanks!
(I solved this problem with different function.)
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
Check if a matrix is a palindrome in all directions
Fractal: area and perimeter of Koch snowflake
Number of paths on a 3d grid
Under the sea: Snell's law & total internal reflection
Smallest n, for n! to have m trailing zero digits
Number of even divisors of a given number
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