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.
Find common elements in matrix rows
Longest Divisor Run
Project Euler: Problem 9, Pythagorean numbers
Return the Fibonacci Sequence
Sum of series V
Find vampire numbers
Negation the hard way
Multivariate polynomials - emulate symbolic form
Multivariate polynomials - sort monomials
Outer product of multiple vectors
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