Efficient solution methods should not be exposed by the Test Suite. There should also, preferably, be more than two test cases.
Remove the polynomials that have positive real elements of their roots.
Arrange Vector in descending order
Given a 4x4 matrix, swap the two middle columns
Back to basics - mean of corner elements of a matrix
Sum of the Matrix Elements
Area of rhombus
Do Fast Fourier Transformation
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