[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 4X NxI1w)  
jc_\'Gr+[  
程序如下 SEKN|YQV/t  
j-]&'-h}#  
clearclc SM[{B
H<  
h=1000;N=100; IL7`0cN(  
R=100;for i=2:101 >KGE-Yzj  
    theata(i)=asin(sqrt((i-1)/N));end 3l!NG=R  
theata(1)=0;for i=1:101 %R_{1GrL'c  
%      r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) `=tyN@VC  
end% r(1)=0; 1;u4X`8  
a=zeros(101,1);c=zeros(101,1); Hv#q:R8  
x=zeros(101,1);y=zeros(101,1); D)='8jV7  
a(1)=550;x(1)=-50; ]^"k8v/  
y(1)=0; jm>3bd  
dOa!htx]  
for i=2:100    k=2*a(i-1); bC@k>yC-  
    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))]; )J/HkOj"V  
    x(i)=XY(1);    y(i)=XY(2); ;mm!0]V  
    FX=F-XY;    a(i)=(norm(FX)+norm(XY))/2; 9-h.|T2il  
    i    x(i) _3Q8n|  
    y(i)end [nN7qG  
plot(x，y）

请问楼主解决了吗