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留个matlab代码 配合LS数据 调试用for k=1:3
x(k)=input('');
y(k)=input('');
end
x(4)=x(1);y(4)=y(1);
plot(x,y);
c(1)=input('');c(2)=input('');
r=input('');
phi=0:0.001:2*pi;
a=r*cos(phi);
b=r*sin(phi);
hold on;plot(a+c(1),b+c(2));
hold on;plot(c(1),c(2),'o');
输入格式和题目一样
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