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 l9y %@7
{JKG-0)z?
程序如下 y^{ 4}^u-^
b*nI0/cbR.
clearclc
%>O}bdSf
h=1000;N=100; Skux&'N:
R=100;for i=2:101 n|QA\,=
theata(i)=asin(sqrt((i-1)/N));end Ia ^/^>
theata(1)=0;for i=1:101 `C6,**`R$k
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) kAx J#RG
end% r(1)=0; [c=![ *}/
a=zeros(101,1);c=zeros(101,1); yM-%x1r ~
x=zeros(101,1);y=zeros(101,1); 5':j=KQE_
a(1)=550;x(1)=-50; q7rX4-G$
y(1)=0; wlP%
U
>M m.MNU
for i=2:100 k=2*a(i-1); 98{n6$\
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))]; Ut2x4$9
x(i)=XY(1); y(i)=XY(2); ]@}@G[e#[
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; RD:LNl<0sh
i x(i) &Fmen;(
y(i)end f,@~@f
X
plot(x，y）
