[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 !Kj,9NX{U  
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程序如下 V<@ o<R  
^[XYFQTL  
clearclc mkF"   
h=1000;N=100; \":m!K;Z  
R=100;for i=2:101 f[~L?B;_L  
    theata(i)=asin(sqrt((i-1)/N));end ,7NZu0  
theata(1)=0;for i=1:101 V8-oYwOR  
%      r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) 5HO9+i  
end% r(1)=0; \lC   
a=zeros(101,1);c=zeros(101,1); T{Uc:Z  
x=zeros(101,1);y=zeros(101,1); g(J&m<
I  
a(1)=550;x(1)=-50; @reeO=  
y(1)=0; Dzs[GAQ]  
q51Uf_\/  
for i=2:100    k=2*a(i-1); R>"OXFaE  
    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))]; qt 2d\f  
    x(i)=XY(1);    y(i)=XY(2); D]~MC  
    FX=F-XY;    a(i)=(norm(FX)+norm(XY))/2; r*_ZJ*h[  
    i    x(i) Z%Zd2 v  
    y(i)end #x3ujJ  
plot(x，y）

请问楼主解决了吗