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 |AgdD
}K<% h
程序如下 h!@t8R
Q:nBx[%
clearclc NOzAk%s3I
h=1000;N=100; g3fxf(iY(
R=100;for i=2:101 OD;-0Bj
theata(i)=asin(sqrt((i-1)/N));end k4@$vxy0
theata(1)=0;for i=1:101 S5%I+G3
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) Hj\iI p
end% r(1)=0; gAFu
a=zeros(101,1);c=zeros(101,1); |{STkV]
x=zeros(101,1);y=zeros(101,1); Y.7iKMp(
a(1)=550;x(1)=-50; [m*E[0Hu
y(1)=0; ca@?-)
G@.TE7a2Z
for i=2:100 k=2*a(i-1); vOF"p4 ^ 3
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))]; Z30r|Ufh
x(i)=XY(1); y(i)=XY(2); E((U=P}+g
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; @.D1_A
i x(i) Tgf\f%,h
y(i)end Q;h6F{i
plot(x,y)