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 \2C`<h$fN
,&^3Z
程序如下 wBSQ:f]g
SA"p\}"
clearclc `~BZ1)@
h=1000;N=100; An`3Ex[
R=100;for i=2:101 kOL'|GgK
theata(i)=asin(sqrt((i-1)/N));end m#!=3P7T
theata(1)=0;for i=1:101 1bnBji
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) s1N?/>lmB
end% r(1)=0; N)2f7j4C&
a=zeros(101,1);c=zeros(101,1); -~{c
u47_
x=zeros(101,1);y=zeros(101,1); 'tgKe!-@
a(1)=550;x(1)=-50; 6IcNZ!j98
y(1)=0; `:NaEF?Sj
!YL..fb
for i=2:100 k=2*a(i-1); _qwQ;!9
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))]; c}Z6V1]QP
x(i)=XY(1); y(i)=XY(2); <UP
m=Hb
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; YZf6|
i x(i) dihjpI_
y(i)end bUwn}_7b
plot(x,y)