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 k|#Zy,
$^Ca:duk
程序如下 ?'2 v.5TQt
){tPP$-i=
clearclc KO-a; [/
h=1000;N=100; UB&2f>
R=100;for i=2:101 C
ktX0
theata(i)=asin(sqrt((i-1)/N));end oEAfowXSqk
theata(1)=0;for i=1:101 ^K*-G@B
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) $,P\)</VR
end% r(1)=0; t F/nah
a=zeros(101,1);c=zeros(101,1); (9z|a,
x=zeros(101,1);y=zeros(101,1); {8ECNQ[]
a(1)=550;x(1)=-50; (C~dkR?
y(1)=0; lJj&kVHb
%O /d4
for i=2:100 k=2*a(i-1); I Tn;m
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))]; r|bPR!0
x(i)=XY(1); y(i)=XY(2); {_as!5l
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; Ws>i)6[
i x(i) bs:QG1*.
y(i)end `
@>ZGL:
plot(x,y)