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 0OF ]|hH
GkYD:o=qx
程序如下 q%\rj?U_
T*v@hb J
clearclc (8d"G9R(
h=1000;N=100; n}!D)Gx
R=100;for i=2:101 >#8J@=iuqv
theata(i)=asin(sqrt((i-1)/N));end e(~Y! :Q#O
theata(1)=0;for i=1:101 NUb:5tL
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) n^:Wc[[m
end% r(1)=0; <F#/wU^9
a=zeros(101,1);c=zeros(101,1); K.I \E
x=zeros(101,1);y=zeros(101,1); "u.4@^+i
a(1)=550;x(1)=-50; g4=6\vg
y(1)=0; ppXt8G3% x
A_xUP9g@?
for i=2:100 k=2*a(i-1); VSQxlAGk@
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))]; Zg2F%f$Y
x(i)=XY(1); y(i)=XY(2); MsLQ'9%Au
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; ; VI W/
i x(i) dd|/I1
y(i)end L; f
plot(x，y）
