www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/DifferentiatePolynomialExample.m

    %% Differentiate Polynomial
% Create a vector to represent the polynomial $p(x)=3x^5-2x^3+x+5$.

% Copyright 2015 The MathWorks, Inc.

p = [3 0 -2 0 1 5];

%%
% Use |polyder| to differentiate the polynomial. The result is
% $q(x)=15x^4-6x^2+1$.
q = polyder(p)