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 _a=f. I
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程序如下 b`sph%&
!4G<&hvb
clearclc 8?7 :sfc
h=1000;N=100; wY j~ (P"
R=100;for i=2:101 Aw *:5 I[
theata(i)=asin(sqrt((i-1)/N));end :j2_Jn4UP
theata(1)=0;for i=1:101 9#@CmiIhy
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) (&u)F B*
end% r(1)=0; ~X
-.@k'
a=zeros(101,1);c=zeros(101,1); 8W_X&X?Q
x=zeros(101,1);y=zeros(101,1); QP e}rQnm
a(1)=550;x(1)=-50; h&6x.ps@
y(1)=0; VgNt
}`9} Q
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for i=2:100 k=2*a(i-1); Up$vBE8i]
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))]; c};Qr@vpo
x(i)=XY(1); y(i)=XY(2); }?Y+GT"E
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; +6{KrREX)
i x(i) ?D6rFUs9;
y(i)end <ZNa`
plot(x，y）
