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 \["'%8[:gR
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程序如下 C5W}
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clearclc RTEzcJ>
h=1000;N=100; i8kyYMPP
R=100;for i=2:101 ?xb4y=P7
theata(i)=asin(sqrt((i-1)/N));end \?|FB~.Ry
theata(1)=0;for i=1:101 tlz+!>
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) z-Ndv;:
end% r(1)=0; ~0^d-,ZD5
a=zeros(101,1);c=zeros(101,1); v&8%t 7|
x=zeros(101,1);y=zeros(101,1); 5 wT
e?
a(1)=550;x(1)=-50; 5d4/}o}%"
y(1)=0; _>k&,p]y
V"r2 t9A
for i=2:100 k=2*a(i-1); g~A~|di|
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))]; ??7c9l5,
x(i)=XY(1); y(i)=XY(2); ^1b/Y8&8A
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; 15 /lX
i x(i) qrK\f
y(i)end q0>@!1Wb
plot(x,y)