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! :)
Back to basics 9 - Indexed References
Create a square matrix of multiples
Cell Counting: How Many Draws?
Basic arrays operations.
Sum My Indices
Generating random matrix with given probability mass function
Group-wise Euclidean distance
0, 2, 0, -2, 0, 2, 0, -2, ...
Spot the First Occurrence of 5
Fast 1-D Convolution (same shape)
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