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 n2\;`9zm
C*kGB(H7
程序如下 g+h)s!$sB
x_lCagRGC4
clearclc zk8s?$
h=1000;N=100; VH1PC
R=100;for i=2:101 -d?9Acd
theata(i)=asin(sqrt((i-1)/N));end o9-b!I2
theata(1)=0;for i=1:101 ?2l#=t?PP
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) *Q=ER
end% r(1)=0; wzhM/Lmo\z
a=zeros(101,1);c=zeros(101,1); q6'3-@%
x=zeros(101,1);y=zeros(101,1); }MAvEaUd
a(1)=550;x(1)=-50; y\&GPr
y(1)=0; Z+h^ ie"g
We3Z#}X
for i=2:100 k=2*a(i-1); |FS,Av
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))]; rjfcZ@
x(i)=XY(1); y(i)=XY(2); 490gW? u
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; (6i)m
c(
i x(i) ed$g=qs>
y(i)end (h> Jz
plot(x,y)