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 ,nP nH1vb
US9@/V*2
程序如下 2~r2ErtS
9:Bn-3 )
clearclc *UN*&DmF
h=1000;N=100; nKtRJ,>
R=100;for i=2:101 00y(E@~
theata(i)=asin(sqrt((i-1)/N));end <veypLi"R
theata(1)=0;for i=1:101 HxLuJ
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) 7*Zm{r@u
end% r(1)=0; 7X>@r"9<
a=zeros(101,1);c=zeros(101,1); H/8u?OC
x=zeros(101,1);y=zeros(101,1); Ju;^^
a(1)=550;x(1)=-50; 0%IZ -])
y(1)=0; oq1wU@n
|gINB3L
for i=2:100 k=2*a(i-1); QAZs1;lU
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))]; HAs/f#zAk6
x(i)=XY(1); y(i)=XY(2); ,,#6SR(n
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; - JFW ,8=8
i x(i) ~=oCou`XF
y(i)end 9]tW; ?
plot(x,y)