www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/CompanionMatrixForPolynomialExample.m
%% Companion Matrix for Polynomial % Compute the companion matrix corresponding to the polynomial $(x-1)(x-2)(x+3) = x^3-7x+6$. u = [1 0 -7 6]; A = compan(u) %% % The eigenvalues of |A| are the polynomial roots. eig(A)