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 #ra*f~G
D*QYKW=)
程序如下 ~cIl$b
yPoSJzC=[
clearclc `;$h'eI9
h=1000;N=100; 3
< 9{v
R=100;for i=2:101 Yk'm?p#~
theata(i)=asin(sqrt((i-1)/N));end q6R Eh ;$
theata(1)=0;for i=1:101 *1$
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) DHv2&zH
end% r(1)=0; e\D|
o?v
a=zeros(101,1);c=zeros(101,1); <UT> PCN G
x=zeros(101,1);y=zeros(101,1); et` 0Je
a(1)=550;x(1)=-50; aBxiK[[`
y(1)=0; %m`zWg-
$Asr`Q1i
for i=2:100 k=2*a(i-1); WI&lj<*
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))]; rEM#D]k
x(i)=XY(1); y(i)=XY(2); '#q4Bc1
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; 1'Rmg\(
i x(i) 2)9r'ai?a
y(i)end FshC )[w,
plot(x，y）
