[求助]关于配焦椭流线法的matlab编程实现问题 [复制链接]

求前辈指点迷津，感觉椭流线表达式有问题，又不知道哪里不对 <gi~:%T  
YGPb8!  
程序如下 q !9;JrX  
u(3 u
Z:  
clearclc rb@[Edj  
h=1000;N=100; Z[VrRT,\c  
R=100;for i=2:101 Jc?zX8>Ae:  
    theata(i)=asin(sqrt((i-1)/N));end =Pn"nkpML  
theata(1)=0;for i=1:101 9mk@\Gqqm  
%      r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) ;39a`  
end% r(1)=0; jA{BG_  
a=zeros(101,1);c=zeros(101,1); 2He R1m<  
x=zeros(101,1);y=zeros(101,1); e.L&A|  
a(1)=550;x(1)=-50; ,<+:xl   
y(1)=0; p=UW ^95  
e;~(7/1  
for i=2:100    k=2*a(i-1); JE{cZ<NNH  
    F=[h,r(i-1)/2-r(i)/2];    XY=((k^2-norm(F)^2)/(2*k-2*norm(F)*cos(pi-theata(i))))*[cos(pi-theata(i)),sin(theata(i))]; 8J&9}@y  
    x(i)=XY(1);    y(i)=XY(2); ^!exH(g  
    FX=F-XY;    a(i)=(norm(FX)+norm(XY))/2; k(tB+k!vH\  
    i    x(i) hd9~Zw]V  
    y(i)end 3/usgw1  
plot(x，y）

请问楼主解决了吗