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 Sa?5iFg
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程序如下 eMl]td rI
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clearclc P`3s\8[Q
h=1000;N=100; jFNs=D&(
R=100;for i=2:101 < \d |=>;
theata(i)=asin(sqrt((i-1)/N));end 2~&hs td%
theata(1)=0;for i=1:101 L_lDFF
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) <[y $D=n
end% r(1)=0; x
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a=zeros(101,1);c=zeros(101,1); q
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x=zeros(101,1);y=zeros(101,1); lO2T/1iMTW
a(1)=550;x(1)=-50; JXLWRe
y(1)=0; g#'fd/?Q
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for i=2:100 k=2*a(i-1); gF,[ u
F=[h,r(i-1)/2-r(i)/2]; XY=((k^2-norm(F)^2)/(2*k-2*norm(F)*cos(pi-theata(i))))*[cos(pi-theata(i)),sin(theata(i))]; k$-~_^4m
x(i)=XY(1); y(i)=XY(2); }6CXJ+-UR
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; "0H56#eW
i x(i)
b%[ nB
y(i)end fZ6 fV=HEF
plot(x，y）
