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 YSTv\y
d\R,Q
程序如下 ,0~n3G
Wp!%-vzy&
clearclc 8T!+ZQAz
h=1000;N=100; H1QJk_RL
R=100;for i=2:101 $ us]35Z3
theata(i)=asin(sqrt((i-1)/N));end ]pNvxXbeW
theata(1)=0;for i=1:101 p8h9Ng*&`
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) pEIRh1
end% r(1)=0; 5ft`zf
a=zeros(101,1);c=zeros(101,1); o:3dfO%nuM
x=zeros(101,1);y=zeros(101,1); JNt^ (z
a(1)=550;x(1)=-50; 7 /VK##z
y(1)=0; ToXki,
^h~x)@=
for i=2:100 k=2*a(i-1); N343qU
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))]; -- %N8L;e
x(i)=XY(1); y(i)=XY(2); $_o-~F2i5
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; \KQ71yqY
i x(i) @Z\,q's
y(i)end V C24sU
plot(x,y)