Thanks for the fun problem!
So compact! I didn't know about arrayfun and cellfun. Very useful functions.
Took a couple of tries, but I got it! :)
Test if a Number is a Palindrome without using any String Operations
Energy of a photon
frame of the matrix
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
"Cody" * 5 == "CodyCodyCodyCodyCody"
Toeplitize a matrix
String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values
Words Count: A String Array Approach
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