I took complements of the test case polar angles in order to agree with customary definitions of polar angle.
I agree. Polar angles are, by convention, measured from the pole, but in this problem you have to consider them to be measure from the equator if you wish to agree with the test cases.
High school cafeteria
Getting the absolute index from a matrix
Set some matrix elements to zero
Count up then down
Sum the numbers on the main diagonal
Clock Hand Angle 1
Pull the variable y_correct from the Caller's Workspace
Multiples of a Number in a Given Range
Make a 1 hot vector
Solve the Sudoku Row
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