On Wed, 20 Mar 2019, Allin Cottrell wrote:
Right, any coefficients beyond the degree of either of the two
polynomials are taken to be zero. Perhaps that should be explicit.
Jack?
I don't think we have to be explicit on that; after all, that's the very
definition of order of a polynomial. IMO the text in its present form is
perfectly OK.
-------------------------------------------------------
Riccardo (Jack) Lucchetti
Dipartimento di Scienze Economiche e Sociali (DiSES)
Università Politecnica delle Marche
(formerly known as Università di Ancona)
r.lucchetti(a)univpm.it
http://www2.econ.univpm.it/servizi/hpp/lucchetti
-------------------------------------------------------