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 Oi&w_
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程序如下 w7?9e#> Z
>sS:x,-
clearclc y ^| 3]G3
h=1000;N=100; l
)V 43
R=100;for i=2:101 /ZN5WK
theata(i)=asin(sqrt((i-1)/N));end j#>![km Mu
theata(1)=0;for i=1:101 U)=Z& ($T
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) GZ[h`FJg/
end% r(1)=0; c1!/jTX$
a=zeros(101,1);c=zeros(101,1); E6-(q!"A
x=zeros(101,1);y=zeros(101,1); WuZ n|j'
a(1)=550;x(1)=-50; @`*YZq>p
y(1)=0; Y'H/
$M N
^^Q32XC ,
for i=2:100 k=2*a(i-1); `*9FKs
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))]; SK}g(X7IWH
x(i)=XY(1); y(i)=XY(2); R.'Gg
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; AS"|r
i x(i) QAnfxt6
y(i)end Nv]/L +i
plot(x，y）
