Test case x=[11 22 132] will cause some solutions here to fail.
Great catch! Test case added; and by "some solutions" you mean "All solutions except yours and mine."
Well done, Tim. I noticed the bug of my solution, but it did work for the old test suit, and I was too lazy to fix the bug.
Find the numeric mean of the prime numbers in a matrix.
How long is the longest prime diagonal?
Replace multiples of 5 with NaN
Natural numbers in string form
Hexagonal numbers on a spiral matrix
Diophantine Equations (Inspired by Project Euler, problem 66)
Fun with a compass
Rolling maximums above a threshold
"Find out the best cricket"
Rewrite setdiff to account for non-unique values
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