[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 6jE.X  
I8H3*DE  
程序如下 'u
,|*o  
D:P(;  
clearclc |k a _Zy  
h=1000;N=100; *yq65yZi5  
R=100;for i=2:101 RQ+,7Ir  
    theata(i)=asin(sqrt((i-1)/N));end ">V&{a-C4  
theata(1)=0;for i=1:101 Y&2FH/(M  
%      r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) .#EU@Hc
  
end% r(1)=0; w OL,LU  
a=zeros(101,1);c=zeros(101,1); h*w9{[L  
x=zeros(101,1);y=zeros(101,1); Y;'<u\^M"  
a(1)=550;x(1)=-50; A;AQw  
y(1)=0; CS^6$VL7e  
[6GYYu\  
for i=2:100    k=2*a(i-1); ly0R'4j \  
    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))]; 1M ?BSH{  
    x(i)=XY(1);    y(i)=XY(2); r. 82RoG?G  
    FX=F-XY;    a(i)=(norm(FX)+norm(XY))/2; MU<(O}  
    i    x(i) *V>?m6y/  
    y(i)end _!xrBdaJ  
plot(x，y）

请问楼主解决了吗