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.
Find the numeric mean of the prime numbers in a matrix.
Create a patchwork matrix
Number of Horns on a unicorn!
Create a Multiplication table matrix...
Find vampire numbers
Product of two multivariate polynomials
Find all vampire fangs
Outer product of multiple vectors
Multivariate polynomials - overload multiplication
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