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 w+ tO@
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程序如下 Eh f{Kl
zX/9^+p:
clearclc eM`"$xc
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h=1000;N=100; N
DV_/ BI
R=100;for i=2:101 rW3fd.;kss
theata(i)=asin(sqrt((i-1)/N));end 5=Y\d,SS"
theata(1)=0;for i=1:101 .c.#V:XZ#U
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) x; *KRO
end% r(1)=0; _u`W$EG
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a=zeros(101,1);c=zeros(101,1); tI(co5 W
x=zeros(101,1);y=zeros(101,1); 1{S"
axSL
a(1)=550;x(1)=-50; }'
t*BaU
y(1)=0; lq!l{[ Xp
n _*k
e
for i=2:100 k=2*a(i-1); D}Lx9cL
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))]; WChJ
<[]W
x(i)=XY(1); y(i)=XY(2); SSF4P&
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; `W8dayZt
i x(i) vQ}llA
h
y(i)end A3N<;OOk
plot(x，y）
