[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 !2HF|x$  
v\8v'EDP  
程序如下 K<::M3eQ  
NY<qoV  
clearclc iR9duP+  
h=1000;N=100; qonStIP  
R=100;for i=2:101 Ru#pJb(R  
    theata(i)=asin(sqrt((i-1)/N));end mD% qDKI  
theata(1)=0;for i=1:101 D:j5/ *  
%      r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) .!L{yU,  
end% r(1)=0; !:5'MI@  
a=zeros(101,1);c=zeros(101,1); l lcq~*zz  
x=zeros(101,1);y=zeros(101,1); Ig?9"{9p  
a(1)=550;x(1)=-50; h@*I(ND<  
y(1)=0; q({-C  
`u_MdB}<x;  
for i=2:100    k=2*a(i-1); .YvIVQ  
    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))]; I>l^lv&[+  
    x(i)=XY(1);    y(i)=XY(2); +924_,zF  
    FX=F-XY;    a(i)=(norm(FX)+norm(XY))/2; zi`q(
[  
    i    x(i) {g[kn^|  
    y(i)end QR(;a:  
plot(x，y）

请问楼主解决了吗