求求大佬看看这个代码哪里错误了
VA=0.15;
VB=0.1;
A=[0,6];
B=[2*pi,0];
d=norm(B-A);
AX(1)=0;
AY(1)=6;
BX(1)=2*pi;
BY(1)=0;
t=0.01;
k=1;
while d>10^(-4)
k=k+1;
AX(k)=AX(k-1)+VA*t*(BX(k-1)-AX(k-1))/d;
AY(k)=AY(k-1)+VA*t*(BY(k-1)-AY(k-1))/d;
BX(k)=BX(k-1)-VB*t*abs(cos(atan(cos(BX(k-1)))));
BY(k)=sin(BX(k));
A=[AX(k),AY(k)];
B=[BX(k),BY(k)];
d=norm(B-A)
D(k)=d;
end
plot(AX,AX,'ro',BX,BY,'b*')
hold on
x=linspace(0,0.1,50);
plot(x,D)