The output of * operator in this solution is a struct, rather than a mPoly object. Nevertheless, the test suite does not check the type of the output.
L Y Cao, since you're such a wizard with indices, I'd love to see you solve this without converting to the array form. It would be interesting to compare the approaches.
Andrew Newell, thanks for your advice.
middleAsColumn: Return all but first and last element as a column vector
Area of an Isoceles Triangle
Divisible by 14
Fill the Matrix - 2
Product of two multivariate polynomials
Find all vampire fangs
Multivariate polynomials - sort monomials
Negation the hard way
Fangs of a vampire number
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