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 dKG 2f
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程序如下 j9voeV|7
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clearclc h'wI
h=1000;N=100; v`G [6Z
R=100;for i=2:101
i_[nW
theata(i)=asin(sqrt((i-1)/N));end eu^B
theata(1)=0;for i=1:101 Xb/W[rcs
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) eG\|E3Cb9
end% r(1)=0; -45xa$vv
a=zeros(101,1);c=zeros(101,1); n'i~1pM,?
x=zeros(101,1);y=zeros(101,1); 7uI~Xo?N
a(1)=550;x(1)=-50; :!cNkJa
y(1)=0; ^U5g7Emf
x%$as;
for i=2:100 k=2*a(i-1); @hz~9AII9
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@)GiLC'"
x(i)=XY(1); y(i)=XY(2); ]:K[{3iM
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; $-J=UT2m
i x(i) K:<0!C!
y(i)end #rps2nf.j
plot(x,y)