[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 8JrGZ8Q4RM  
c>
!J@[,  
程序如下 !U!E_D.O  
<`*P/V  
clearclc DQICD.X6R  
h=1000;N=100; >PVi 3S  
R=100;for i=2:101 Ju[`Qw`I  
    theata(i)=asin(sqrt((i-1)/N));end 7x]nY.\
 
theata(1)=0;for i=1:101 6V?RES;X  
%      r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) 7jbmw<d)9  
end% r(1)=0; 1c"m$)a4  
a=zeros(101,1);c=zeros(101,1); h3IkOh4|h  
x=zeros(101,1);y=zeros(101,1); ]."c4S_)|  
a(1)=550;x(1)=-50; 5mNXWg7#]  
y(1)=0; ;wxt<   
kf!/9  
for i=2:100    k=2*a(i-1); 
a0.3$  
    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))]; +"
cyOC  
    x(i)=XY(1);    y(i)=XY(2); FxX3Pq8h  
    FX=F-XY;    a(i)=(norm(FX)+norm(XY))/2; fEc_r:|\6  
    i    x(i) \KXEw2S  
    y(i)end E|;5Z*  
plot(x，y）

请问楼主解决了吗