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 c`xNTr01
Br9j)1;
程序如下 1+Gq<]@G
1M&Lb. J6
clearclc j_2g*lQ7a
h=1000;N=100; \B4H0f
R=100;for i=2:101
"/6# Z>y
theata(i)=asin(sqrt((i-1)/N));end >} * W$i
theata(1)=0;for i=1:101 !s-A`}
s+
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) eP]y\S*P
end% r(1)=0; #S?^?3d
a=zeros(101,1);c=zeros(101,1); b y>%}#M
x=zeros(101,1);y=zeros(101,1); vm|u~Yd,s
a(1)=550;x(1)=-50; ht2Fi e
y(1)=0; C!^A\T 7p
8s6[-F5
for i=2:100 k=2*a(i-1); #4m5 I="
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))]; M^ '1Q.K
x(i)=XY(1); y(i)=XY(2); rtS cQ
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; FXBmatBck
i x(i) z]N#.utQ
y(i)end 06&;GW!-
plot(x，y）
