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 WqxUX H
yix'rA -T
程序如下 `<^VR[Mx
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clearclc =k}SD96
h=1000;N=100; !>x|7
R=100;for i=2:101 DPrBFmHF
theata(i)=asin(sqrt((i-1)/N));end Q|}aR:4
theata(1)=0;for i=1:101 X.ONa_
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) rI5Foh6
end% r(1)=0; jk\ dG16
a=zeros(101,1);c=zeros(101,1); z
sQo$p
x=zeros(101,1);y=zeros(101,1); 71#I5*8
a(1)=550;x(1)=-50; -71dN0hWh
y(1)=0;
qLncn}oNM
d{et8N
for i=2:100 k=2*a(i-1); ^n#1<K[E
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))]; F Kc;W
x(i)=XY(1); y(i)=XY(2); Dz!fpE'L
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; BE&B}LfvfO
i x(i) 3`hUo5K
y(i)end z^o 1GY
plot(x,y)