[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 ><MgIV  
F` 5/9?;|  
程序如下 DIp:S&q2  
nvK7*-  
clearclc d"6]?  
h=1000;N=100; K}<!{/fi)  
R=100;for i=2:101 yXV|
4  
    theata(i)=asin(sqrt((i-1)/N));end pb6^sA%l  
theata(1)=0;for i=1:101 XQJ^)d00h  
%      r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) JX/4=..  
end% r(1)=0; iynS4
]`U  
a=zeros(101,1);c=zeros(101,1); a!y,!EB+Qu  
x=zeros(101,1);y=zeros(101,1); ;#yu"6{  
a(1)=550;x(1)=-50; BZ;}ROmqk  
y(1)=0; -iDEh_pts  
Dyk[ug5  
for i=2:100    k=2*a(i-1); dXcPWbrU4  
    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))]; *Qg5Z   
    x(i)=XY(1);    y(i)=XY(2); TG63  
    FX=F-XY;    a(i)=(norm(FX)+norm(XY))/2; .5!sOOs$P  
    i    x(i) |aS~"lImh  
    y(i)end =,d* {m~A  
plot(x，y）

请问楼主解决了吗