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 Q?"[zX1
p9s~WD/K
程序如下 6~!YEuA
jSG
jv >
clearclc Nl_;l
h=1000;N=100; XS!ZTb>[
R=100;for i=2:101 F}AbA pTv
theata(i)=asin(sqrt((i-1)/N));end *$cp"
theata(1)=0;for i=1:101 j2P|cB Xu
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) H]-W$V
end% r(1)=0; 9{TOFjsF
a=zeros(101,1);c=zeros(101,1); I"!gzI`Sd
x=zeros(101,1);y=zeros(101,1); [e}]K:
a(1)=550;x(1)=-50; 6AwnmGL(;;
y(1)=0; I L\mFjZ'
>bZ#
for i=2:100 k=2*a(i-1); #KK( Z \;
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))]; 6)3eB{$;
x(i)=XY(1); y(i)=XY(2); IWWFl6$-
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2;
k9n
i x(i) ?Tl@e
y(i)end ZH}NlEn
plot(x，y）
