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 97\K ] Tr
xWXLk )A
程序如下 C]8w[)d[`;
_b&26!gl
clearclc k<Gmb~Tg1
h=1000;N=100; %q3`k#?<
R=100;for i=2:101 6`Y:f[VB
theata(i)=asin(sqrt((i-1)/N));end @@U
theata(1)=0;for i=1:101 XP
o#qT8n
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i)
K];]
end% r(1)=0; r>ed/<_>m;
a=zeros(101,1);c=zeros(101,1); f4\$<g/~
x=zeros(101,1);y=zeros(101,1); 0C%IdV%CU
a(1)=550;x(1)=-50; 5NUaXQ
y(1)=0; y3 b"'-%
*(1 <J2j
for i=2:100 k=2*a(i-1); J /K~8s c
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))]; qQ^CSn98J
x(i)=XY(1); y(i)=XY(2); yOQae m^O
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; rf|Nu3AJ
i x(i) ^gx~{9`RR
y(i)end {+_p?8X
plot(x，y）
