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.
Finding Perfect Squares
Find the sum of the elements in the "second" diagonal
Sum of diagonal of a square matrix
Compute a dot product of two vectors x and y
Check that number is whole number
Matrix of Multiplication Facts
Must be in the front row...
Break it up! Break it up!
Pandigital Multiples of 11 (based on Project Euler 491)
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