I've improved grammar in this problem and updated it with a test case ensuring that the det() function is not used. Rescoring of previous answers will take time to propagate, though
I also modified the test suite to check for sums of absolute errors under a threshold value rather than isequal(), since that can fail when the answer isn't composed purely of integers.
I see you! :)
Back to basics 8 - Matrix Diagonals
Return elements unique to either input
03 - Matrix Variables 1
Is this triangle right-angled?
Add Me To Death (Sum sum sum)
Create cosine function out of sine
Count me in
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