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 *wz6 2p
}9&~+Q2
程序如下 4*+ )D8
I [v~nY~l`
clearclc hKp-"
h=1000;N=100; ,tOc+3Qz$
R=100;for i=2:101 6q^.Pg-Y
theata(i)=asin(sqrt((i-1)/N));end QEq>zuz5;
theata(1)=0;for i=1:101 Q<Th*t
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) c< g{ &YJ
end% r(1)=0; 0o&7l %Y/
a=zeros(101,1);c=zeros(101,1); ?|we.{
x=zeros(101,1);y=zeros(101,1); ~FZ=
a(1)=550;x(1)=-50; ?-P W$p
y(1)=0; 3sBu`R*hk
Y !nE65
for i=2:100 k=2*a(i-1); Sc$]ar]S
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))]; W6uz
G
x(i)=XY(1); y(i)=XY(2); \RyW#[(
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; Z6r_T
i x(i) >I.X]<jI
y(i)end k7Xa|&fQP<
plot(x，y）
