[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 a 1NCVZ  
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程序如下 E::<;9  
HI z9s4Y_  
clearclc \"t`W:  
h=1000;N=100; r.9 $y/5  
R=100;for i=2:101 J7_8
$B-j7  
    theata(i)=asin(sqrt((i-1)/N));end {aT92-D3  
theata(1)=0;for i=1:101 hg{ &Y(J!U  
%      r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) XA?WUR[e  
end% r(1)=0; s 8Jj6V  
a=zeros(101,1);c=zeros(101,1); lR,G;  
x=zeros(101,1);y=zeros(101,1); 48;~bVr}  
a(1)=550;x(1)=-50; x)d2G6x  
y(1)=0; c_t7RWV}  
9W$mDw6f  
for i=2:100    k=2*a(i-1); sBbL~ce50?  
    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))]; /O+e#z2f<  
    x(i)=XY(1);    y(i)=XY(2); :C>
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    FX=F-XY;    a(i)=(norm(FX)+norm(XY))/2; HuK Aj  
    i    x(i) B{^`8Htrn  
    y(i)end zo/0b/lQ  
plot(x，y）

请问楼主解决了吗