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 iH(7.?.r
f+Y4~k
程序如下 &=@{`2&
io#}z4"'qY
clearclc ~`
tuPk~l
h=1000;N=100; :60vbO
R=100;for i=2:101 `J.,dqGb
theata(i)=asin(sqrt((i-1)/N));end * 6}M.`.-
theata(1)=0;for i=1:101 @O#!W]6NT6
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) ;<+efYmyc
end% r(1)=0; -`L`kL<
a=zeros(101,1);c=zeros(101,1); Ks.b).fH
x=zeros(101,1);y=zeros(101,1); j)J |'b|
a(1)=550;x(1)=-50; _o~ pVBl/
y(1)=0; Mq>
4!
f{9+,z
for i=2:100 k=2*a(i-1); ^to*ET{0
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))]; pCKP{c=6Q
x(i)=XY(1); y(i)=XY(2); owNwj
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; un "I
i x(i) KXt8IMP_"y
y(i)end /M2in]oH
plot(x,y)