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 q@d6P~[-gj
Q(BM0n)f
程序如下 ge[&og/$
B&sa|'0U
clearclc R_duPaWc@
h=1000;N=100; 6# Bg99c
R=100;for i=2:101 yJ2A!id
theata(i)=asin(sqrt((i-1)/N));end IF kU8EK&B
theata(1)=0;for i=1:101 w - 5_Ru
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) :9W)CwZ)V
end% r(1)=0; &t@|/~%[
a=zeros(101,1);c=zeros(101,1); 6BObV/S Jg
x=zeros(101,1);y=zeros(101,1); zvK ypx
a(1)=550;x(1)=-50; P`y 0FKS
y(1)=0; ]64?S0p1c!
fH 0&Wc3yC
for i=2:100 k=2*a(i-1); Ql9
)
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))]; WO+_ |*&
x(i)=XY(1); y(i)=XY(2); ,S7M4ajVZB
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; +.|8W !h`1
i x(i) e[%g'}D:-
y(i)end LLJsBHi -
plot(x，y）
