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! :)
Are you in or are you out?
Column norms of a matrix
02 - Vector Variables 4
Hankelize a matrix
Maximum of each diagonal
Toeplitize a matrix
The Top 5 Primes
Histogram of histogram
String Array Basics, Part 3: Convert Cell Array with Missing Values to String Array
Apply Function to Each Field of a Structure Array: Part 2
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