The sorted coefficients in your example should be [1; 4; 3; -2].
The test suite is also comparing against an incorrect result in the last problem.
Given two strings, find the maximum overlap
pressure to dB?
Angle between two vectors
Is the Point in a Circle?
Generate a NaN...on purpose
Negation the hard way
Find vampire numbers
Multivariate polynomials - overload multiplication
Multivariate polynomials - convert monomial form to array
Outer product of multiple vectors
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