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 `43E-'g
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程序如下 @#;~_?$?C
{QJJw}!#
clearclc Sh=z
h=1000;N=100; j#. Aiy:,
R=100;for i=2:101 kOeW,:&65
theata(i)=asin(sqrt((i-1)/N));end !$Nh:(>:
theata(1)=0;for i=1:101 Wc#4%kT
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) MT }9T
end% r(1)=0; O &;Cca
a=zeros(101,1);c=zeros(101,1); E ekX |*
x=zeros(101,1);y=zeros(101,1); Me2%X>;
a(1)=550;x(1)=-50; '\=aSZVO
y(1)=0; S0du, A~
=5',obYN>c
for i=2:100 k=2*a(i-1); Jro )
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))]; x7> '
1
x(i)=XY(1); y(i)=XY(2); f{G
^b&x
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; P A&Ev0`+
i x(i) $CRu?WUS]'
y(i)end Wi)Y9frE
plot(x，y）
