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

    %% Plot Taylor Series Approximations
%% 1
syms x
f = sin(x)/x;
t6 = taylor(f, x);
t8 = taylor(f, x, 'Order', 8);
t10 = taylor(f, x, 'Order', 10);
%% 2
fplot([t6 t8 t10 f])
xlim([-4 4])
grid on

legend('approximation of sin(x)/x up to O(x^6)',...
       'approximation of sin(x)/x up to O(x^8)',...
       'approximation of sin(x)/x up to O(x^{10})',...
       'sin(x)/x','Location','Best')
title('Taylor Series Expansion')