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 23 - Triangular matrix
Doubling elements in a vector
Sum the numbers on the main diagonal
02 - Vector Variables 1
Create sine function out of cosine
Count me in
Convert radians to degrees
Convert degrees to radians
Encode Me From The Past
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