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 vk{4:^6.TV
pNVao{::5
程序如下 A<>W^ ow
t:m
t9}$d
clearclc ~+CNED0z+
h=1000;N=100; -7 =pb#y
R=100;for i=2:101 w\$b(HC
theata(i)=asin(sqrt((i-1)/N));end ^,U&v;
theata(1)=0;for i=1:101 (O?z6g
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) U> q&+: +
end% r(1)=0; _QXo4z!a8
a=zeros(101,1);c=zeros(101,1); Ta9;;B?$
x=zeros(101,1);y=zeros(101,1); vaTXu *
a(1)=550;x(1)=-50; .rxc"fR4_
y(1)=0; Sn0?_vH4
yMo@ka=v
for i=2:100 k=2*a(i-1); fF-V=Zf5
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))]; ?W.Y
x7c
x(i)=XY(1); y(i)=XY(2); 2cy{d|c
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; =1\ 'xz}p?
i x(i) !Y\hF|[z
y(i)end r>z8DX@
plot(x，y）
