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 &t@6qi`d
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程序如下 3C5D~9v
r5$?4t
clearclc I;fw]/M%!
h=1000;N=100; =<27qj
R=100;for i=2:101 APOU&Wd
theata(i)=asin(sqrt((i-1)/N));end 7Q4PjcD
theata(1)=0;for i=1:101 mk3e^,[A
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) 3qd-,qC
end% r(1)=0; "Z1&z-
a=zeros(101,1);c=zeros(101,1); B7QtB3bn
x=zeros(101,1);y=zeros(101,1); M%dl?9pbq
a(1)=550;x(1)=-50; fgz'C?
y(1)=0; 2$/gg"g+
h,RUL
for i=2:100 k=2*a(i-1); D_;n4<|.
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))]; ucm.~1G(
x(i)=XY(1); y(i)=XY(2); ff+9(P>*
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; jgfP|oD
i x(i) i(qYyO'
y(i)end Ydd>A\v\;
plot(x,y)