[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 0'8_:|5  
sjl(  
程序如下 4)MKYhm  
IxN0m7  
clearclc V&nTf100  
h=1000;N=100; mHCp^g4Q  
R=100;for i=2:101 8T"C]  
    theata(i)=asin(sqrt((i-1)/N));end Mbbgsy3W  
theata(1)=0;for i=1:101 %]NaHf  
%      r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) PNy)TqdRS  
end% r(1)=0; 3j<:
g%5  
a=zeros(101,1);c=zeros(101,1); 1eQfc{[g  
x=zeros(101,1);y=zeros(101,1); |NuX9!S  
a(1)=550;x(1)=-50; :yg:sU  
y(1)=0; H'2&
3v
 
R\
DdU-k  
for i=2:100    k=2*a(i-1); @c3GJ'"X  
    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))]; iA*^`NMaT  
    x(i)=XY(1);    y(i)=XY(2); /$a>f>EJ  
    FX=F-XY;    a(i)=(norm(FX)+norm(XY))/2; bu[PQsT  
    i    x(i) _cPGS=Ew  
    y(i)end `y"(\1  
plot(x，y）

请问楼主解决了吗