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clear
clc
k=0:0.1:1;
[k,p]=meshgrid(k,k);
J=(20/(2*k.-0.3)).*((0.15+2*k.).^2./(0.15^2)+1)+(5/(2*p.-0.3)).*(((p.+k.-0.15).*(p.+0.05)./(p.-k.-0.15).*(0.3*p.+0.155)).^2+((p.+0.05)./(0.3*p.+0.155)).^2);
mesh(k,p,J);
xlabel('q');ylabel('\tau');zlabel('Tracking error J^*')




´íÎóÌáʾ£º??? J=(20/(2*k.-0.3)).*((0.15+2*k.).^2./(0.15^2)+1)+(5/(2*p.-0.3)).*(((p.+k.-0.15).*(p.+0.05)./(p.-k.-0.15).*(0.3*p.+0.155)).^2+((p.+0.05)./(0.3*p.+0.155)).^2);
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Error: Unexpected MATLAB operator.
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