www.gusucode.com > symbolic 源码程序 matlab案例代码 > symbolic/Ch2TaylorSeriesExample.m

    %% Taylor Series
%% 1
syms x
g = exp(x*sin(x));
t = taylor(g, 'ExpansionPoint', 2, 'Order', 12);
%% 2
xd = 1:0.05:3;
yd = subs(g,x,xd);
fplot(t, [1, 3])
hold on
plot(xd, yd, 'r-.')
title('Taylor approximation vs. actual function')
legend('Taylor','Function')