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 &Kwt vUN{
oZw#Nd
程序如下 yIP
IA%dJ
cFo-NI2
clearclc NyNu1V$
h=1000;N=100; Wb$bCR #?<
R=100;for i=2:101 B 8,{jwB
theata(i)=asin(sqrt((i-1)/N));end v-@@>?W-
theata(1)=0;for i=1:101 CdjGYS
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) ' JVvL
end% r(1)=0; ^hJ ,1{o
a=zeros(101,1);c=zeros(101,1); s4*,ocyBP
x=zeros(101,1);y=zeros(101,1); }2"k:-g
a(1)=550;x(1)=-50; G3n7x?4m
y(1)=0; P@ u%{
Vh&KfYY
for i=2:100 k=2*a(i-1); \U8Vsx1tl
F=[h,r(i-1)/2-r(i)/2]; XY=((k^2-norm(F)^2)/(2*k-2*norm(F)*cos(pi-theata(i))))*[cos(pi-theata(i)),sin(theata(i))]; *a4eL [
x(i)=XY(1); y(i)=XY(2); Z]CH8GS~<
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; L x&ZWF$
i x(i) iddT.
y(i)end nz+KA\iW
plot(x，y）
