Error:Unexpected MATLAB operator.

来源：学生作业帮编辑：作业帮分类：综合作业时间：2024/04/28 03:23:50

Error:Unexpected MATLAB operator.
clear all;
t=[pi/2:pi/5:5*pi/2];
ti=[pi/2:pi/20:5*pi/2];
d=[0.209 0.157 0.055 0.009 -0.187 -0.251 -0.192 -0.017 0.060 0.118 0.209];
di=-0.0005245*ti.^8+0.01996*ti.^7-0.3211*ti.^6+2.84*ti.^5-15.05*ti.^4+48.81*ti.^3-94.34*ti.^2+99.09*ti.-42.99;
plot(t,d,'r-+');
hold on
%plot(t,-0.209*sin(t),'b-+');
plot(ti,di,'g-+');
legend('原始数据','拟合数据')
grid on

clear all;
t=pi/2:pi/5:5*pi/2;
ti=pi/2:pi/20:5*pi/2;
d=[0.209 0.157 0.055 0.009 -0.187 -0.251 -0.192 -0.017 0.060 0.118 0.209];
di=-0.0005245*ti.^8+0.01996*ti.^7-0.3211*ti.^6+2.84*ti.^5-15.05*ti.^4+48.81*ti.^3-94.34*ti.^2+99.09*ti-42.99;
plot(t,d,'r-+');
hold on
%plot(t,-0.209*sin(t),'b-+');
plot(ti,di,'g-+');
legend('原始数据','拟合数据')
grid on

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