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 7h(
8~qpOQX^V
程序如下 [ Cd#<Te3
m!zv t
clearclc [qxpu{
h=1000;N=100; Q,9KLi3
R=100;for i=2:101 Uf_mwEE
theata(i)=asin(sqrt((i-1)/N));end C% z9Q
theata(1)=0;for i=1:101 z1tD2jL _
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) :9 &@/{W
end% r(1)=0; < NDV 5P
a=zeros(101,1);c=zeros(101,1); \8*j"@ !H
x=zeros(101,1);y=zeros(101,1); fWJOP sp*/
a(1)=550;x(1)=-50; Y#): 1C1
y(1)=0; sMAH;'`!Eu
x !85P\sm
for i=2:100 k=2*a(i-1); f dJg7r*
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))]; P{s1NorKDh
x(i)=XY(1); y(i)=XY(2); (j:[<U
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; k^JgCC+
i x(i) `6Q+N=k~Z
y(i)end .@r{Tq,%q8
plot(x，y）
