www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/RootsOfQuarticPolynomialExample.m
%% Roots of Quartic Polynomial % Solve the equation $x^4 - 1 = 0$. % % Create a vector to represent the polynomial, then find the roots. % Copyright 2015 The MathWorks, Inc. p = [1 0 0 0 -1]; r = roots(p)