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! :)
Distance walked 1D
Back to basics 23 - Triangular matrix
Getting the indices from a vector
Must be in the front row...
Apply Function to Each Field of a Structure Array: Part 1
Words Count: A Cell Array Approach
Fast 1-D Convolution (full shape)
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