[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 Yl>@(tu)|  
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程序如下 8;Yx a8ie  
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s:E`Q  
clearclc gbQrSJs!Zh  
h=1000;N=100; \BUr2]  
R=100;for i=2:101 vY}/CBmg  
    theata(i)=asin(sqrt((i-1)/N));end AGS?<6W-  
theata(1)=0;for i=1:101 /R 2:Js  
%      r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) VT;$:>!+  
end% r(1)=0; 80 i<Ij8J  
a=zeros(101,1);c=zeros(101,1); nuhKM.a{  
x=zeros(101,1);y=zeros(101,1); 0.t;i4  
a(1)=550;x(1)=-50; W@#)8];>  
y(1)=0; z.P) :Er  
`?91Cw=`  
for i=2:100    k=2*a(i-1); ] 6M- s  
    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))]; 1r|'n aiZ  
    x(i)=XY(1);    y(i)=XY(2); m~#98ZJ^  
    FX=F-XY;    a(i)=(norm(FX)+norm(XY))/2; @ 5|F:J  
    i    x(i) iS=}| 8"  
    y(i)end w*\)]bTs  
plot(x，y）

请问楼主解决了吗