[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 /nn~&OU  
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程序如下 t#3_M=L  
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clearclc { {:Fs  
h=1000;N=100; 6P:fM Y  
R=100;for i=2:101 DEbMb6)U  
    theata(i)=asin(sqrt((i-1)/N));end /0$fYrg>J  
theata(1)=0;for i=1:101 {&UA60~6  
%      r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) _,IjB/PR(  
end% r(1)=0; "eqzn KT%u  
a=zeros(101,1);c=zeros(101,1); o\]U;#YD  
x=zeros(101,1);y=zeros(101,1); tP"6H-)X&  
a(1)=550;x(1)=-50; v1Q78P  
y(1)=0; b%vIaP|]B  
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for i=2:100    k=2*a(i-1); +vxOCN4}v  
    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))]; esj6=Gh  
    x(i)=XY(1);    y(i)=XY(2); 
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    FX=F-XY;    a(i)=(norm(FX)+norm(XY))/2; !zllvtK4  
    i    x(i) IN.g  
    y(i)end LrT EF j  
plot(x，y）

请问楼主解决了吗