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 v=VmiBq[
Vi WgX.
程序如下 vuBA&j0C
<h9\ A&
clearclc wjOAgOC
h=1000;N=100; ]?{lQ0vw'w
R=100;for i=2:101 TzGm562o%
theata(i)=asin(sqrt((i-1)/N));end hm>*eJNp]
theata(1)=0;for i=1:101 Ck?: 8YlF
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) i:ZA{hA`c
end% r(1)=0;
@U@ yIv
a=zeros(101,1);c=zeros(101,1); >N-%
x=zeros(101,1);y=zeros(101,1); QE2^.|d{
a(1)=550;x(1)=-50; L0tKIpk
y(1)=0; 8[;oUVb5
A#&qoZ(C
for i=2:100 k=2*a(i-1); D5u"4\g< &
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))]; "b4iOp&:=
x(i)=XY(1); y(i)=XY(2); VY@hhr1s~
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; tL{~O=
i x(i) <|3v@
y(i)end 3ohcHQ/a
plot(x，y）
