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 pDZewb&cA
&muBSQ-
程序如下 #<< el;n
$/s"It
clearclc |J,z U6 t
h=1000;N=100; 6w7;
R=100;for i=2:101 ~*7$aj
theata(i)=asin(sqrt((i-1)/N));end JyZuj>`
6
theata(1)=0;for i=1:101 7JGc9K+Av
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) Ny2
Z
<TW
end% r(1)=0; F< k+>e
a=zeros(101,1);c=zeros(101,1); KR#,6
x=zeros(101,1);y=zeros(101,1); z^U+ oG
a(1)=550;x(1)=-50; ?)|}gr
y(1)=0; 9^W7i]-Z
{/]2~!
for i=2:100 k=2*a(i-1); sko7,&
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))]; 0WC\u xT7
x(i)=XY(1); y(i)=XY(2); m;~} }~&vQ
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; >^~^#MT
i x(i) ?4%H(k5A
y(i)end WVRIq'
plot(x，y）
