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 qad`muAd
4!3mS WNV
程序如下 aYC[15?'
p1mY@[A
clearclc !.^%*6f
h=1000;N=100; VvS ^f
R=100;for i=2:101 'TdO6-X
theata(i)=asin(sqrt((i-1)/N));end _$f XK
theata(1)=0;for i=1:101 ;FI"N@z
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) |J_kS90=
end% r(1)=0; U`-]U2"
a=zeros(101,1);c=zeros(101,1); xGU~FU
x=zeros(101,1);y=zeros(101,1); \{Yi7V
Xv
a(1)=550;x(1)=-50; zHT22o56X
y(1)=0; ,[j'OyR
J8>8@m6
for i=2:100 k=2*a(i-1); 4?vTuZ/
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))]; 1638U1
x(i)=XY(1); y(i)=XY(2); 7YLG<G!v)]
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; 55<f
i x(i) FVw4BUOmi
y(i)end c-ud $0)c
plot(x,y)