www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/RootsOfQuadraticPolynomialExample.m
%% Roots of Quadratic Polynomial % Solve the equation $3x^2-2x-4=0$. % % Create a vector to represent the polynomial, then find the roots. % Copyright 2015 The MathWorks, Inc. p = [3 -2 -4]; r = roots(p)