Need a test case with a 0 on the chosen diagonal.
Agree with Jon's comment that the matrix should contain 0 elements
so simple that it never occurred to me
Back to basics 8 - Matrix Diagonals
Make a run-length companion vector
03 - Matrix Variables 4
Split array into pieces according to corresponding array
Mirror, mirror on the wall, who is fairest of them all?
How many monitors are connected ?
Getting the indices from a matrice
Rank of magic square (for beginners)
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