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 E#,\[<pc
u%lUi2P2E
程序如下 `"hWbmQ
R x( yn
clearclc !a25cm5ys
h=1000;N=100; {+GR/l\!#
R=100;for i=2:101 yL),G*[p\}
theata(i)=asin(sqrt((i-1)/N));end s6r(\L_Im
theata(1)=0;for i=1:101 /nv+*+Q?d
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) eiXl"R^
end% r(1)=0; c,O;B_}M]
a=zeros(101,1);c=zeros(101,1); 9hssIZO
x=zeros(101,1);y=zeros(101,1); wqT9m*VK
a(1)=550;x(1)=-50; "n)AlAV@
y(1)=0; , &n"#
e-OKv#]
for i=2:100 k=2*a(i-1); \98N8p;,I
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))]; 3SI0etVr
x(i)=XY(1); y(i)=XY(2); NCY2^
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; sT "q]
i x(i) &n#yxv4
y(i)end {> 8?6m-
plot(x,y)