[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 wD9K\%jIr!  
2$Mnwxfk  
程序如下 |'?vlUCd  
(!nkv^]  
clearclc (t-hi8"  
h=1000;N=100; u(f  
R=100;for i=2:101 >1sa*Wf  
    theata(i)=asin(sqrt((i-1)/N));end 6HY): M&?  
theata(1)=0;for i=1:101 Wzl/ @CPM  
%      r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) QXkA%'@'  
end% r(1)=0; *2zp>(%  
a=zeros(101,1);c=zeros(101,1); %y6Q3@  
x=zeros(101,1);y=zeros(101,1); XGSFG~d  
a(1)=550;x(1)=-50; ^j\LB23  
y(1)=0; x?wvS]EBg  
z By%=)`  
for i=2:100    k=2*a(i-1); Pp_4B  
    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))]; D;Qx9^.  
    x(i)=XY(1);    y(i)=XY(2); 2`f{D~w  
    FX=F-XY;    a(i)=(norm(FX)+norm(XY))/2; EsGu#lD2  
    i    x(i) cZh0\DyU  
    y(i)end !J7`frv"(  
plot(x，y）

请问楼主解决了吗