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 )_ b@~fC
Iz?W tm }
程序如下 +?j?|G
?%dCU~ z
clearclc ;;y@z[ >
h=1000;N=100; _N,KHxsG8B
R=100;for i=2:101 GATP
theata(i)=asin(sqrt((i-1)/N));end 4-M6C 5#.
theata(1)=0;for i=1:101 { 7TJgS
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) lYZ@a4TA
end% r(1)=0; + <!)k?
a=zeros(101,1);c=zeros(101,1); &FJU%tFA
x=zeros(101,1);y=zeros(101,1); +A'q#~yILa
a(1)=550;x(1)=-50; 3\p]esse
y(1)=0; n$hqNsM
-Ty<9(~S
for i=2:100 k=2*a(i-1); h2/dhp
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))]; Ng."+&
x(i)=XY(1); y(i)=XY(2); f`u5\!}=!
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; f^6&Fb>
i x(i) uD ?I>7
y(i)end (iCZz{l@~
plot(x，y）
