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.
Return the largest number that is adjacent to a zero
Remove any row in which a NaN appears
Return the Fibonacci Sequence
Set some matrix elements to zero
Fangs of a vampire number
Find vampire numbers
Find all vampire fangs
Multivariate polynomials - convert monomial form to array
Multivariate polynomials - emulate symbolic form
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