gusucode.com > 《精通matlab 7》包括配套光盘 > 配套光盘里的程序附件/Ex-30/testclass/@polynom/mtimes.m

    function r = mtimes(p,q)
% POLYNOM/MTIMES   执行多项式的 p*q.
p = polynom(p);
q = polynom(q);
r = polynom(conv(p.c,q.c));