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how can i fix these errors

3 次查看（过去 30 天）
Abdulrahman Al Ali
关闭： MATLAB Answer Bot 2021-8-20
k.JPG
kk.JPG
syms x
%expression for f(x)
f=exp(-x)*sin(x)*cos(x);
%taylor series expansion for upto to 8th order
t_8=taylor(f,'Order',9,'ExpansionPoint',0);
%Plotting f(x) and t_8(x)
fplot({f,t_8},[-2 2],'Linewidth',2)
grid on
hold on
%Plotting (0,0) point
plot(0,0,'b.','MarkerSize',16);
hold off
%Formatting legends, xlabel and title
legend({'$f(x)$','$t_{8}(x)$'},'Interpreter','latex','Location','north','FontSize',18)
xlabel('$x$','Interpreter','latex','FontSize',20)
title('Taylor expansion of $e^{-x}\sin(x)\cos(x)$ at $x=0$','Interpreter','latex','FontSize',16)
  1 个评论
Walter Roberson
Walter Roberson 2019-3-7
Symbolic functions look like (for example)
f(x) = sin(x+pi/3);
where you wrote the equivalent of
f = sin(x+pi/3);

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