Create a function that returns an array P the same size as X and Y containing the element-by-element, four-quadrant inverse tangent (arctangent) of the real parts of Y and X. The function must yield P in degrees and must not contain the MATLAB build-in function atan2(y,x).
Construct a string from letters and counts
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What is the distance from point P(x,y) to the line Ax + By + C = 0?
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Make an awesome ramp for a tiny motorcycle stuntman
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Solution 28661
This one should work for all of the test cases except that you have some numerical precision issues with the last test case. Please replace it with a numerical comparison that takes into account precision (my code is returning numbers with no decimal point but the test code returns something less pretty).