<https://mechanicalbase.com/indexing-the-coefficients-of-polynomials-in-matlab-with-sym2poly-command/#webpage>
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"2021-07-06T16:00:00+00:00"^^<http://schema.org/Date>
<https://mechanicalbase.com/indexing-the-coefficients-of-polynomials-in-matlab-with-sym2poly-command/>