[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 /HH_Zi0?N|  
s !IvUc7'  
程序如下 mEmgr(W  
kQF3DR$,B  
clearclc e:l7 w3?O  
h=1000;N=100; ?8qN8rk^+  
R=100;for i=2:101 tmd{Gx}c  
    theata(i)=asin(sqrt((i-1)/N));end Up1n0
  
theata(1)=0;for i=1:101 b@S~ =  
%      r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) S
oWM
P2/  
end% r(1)=0; $."DOZQ3U  
a=zeros(101,1);c=zeros(101,1); ov<vSc<u  
x=zeros(101,1);y=zeros(101,1); <(t{C8>g%  
a(1)=550;x(1)=-50; H:nO\]  
y(1)=0; H|S hi/  
!K-qoBqKM  
for i=2:100    k=2*a(i-1); 2g~W})e  
    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))]; 2#   
    x(i)=XY(1);    y(i)=XY(2); % *ng *  
    FX=F-XY;    a(i)=(norm(FX)+norm(XY))/2; ZkWMo=vL  
    i    x(i) 1#3eY?Nb  
    y(i)end QFK'r\3pU  
plot(x，y）

请问楼主解决了吗