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 "5b4fQ;x
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程序如下 bA02)?L
a+,zXJQYq
clearclc a,eJO ??
h=1000;N=100; tJ9gwx7Pg
R=100;for i=2:101 -fT}Nj\
theata(i)=asin(sqrt((i-1)/N));end ,iMdv+
theata(1)=0;for i=1:101 u]MQ(@HHF
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) -muP.h/
end% r(1)=0; Q=h37]U+
a=zeros(101,1);c=zeros(101,1); +6Ye'IOG
x=zeros(101,1);y=zeros(101,1); KSQ*HO)5
a(1)=550;x(1)=-50; 4GG0jCNk
y(1)=0; yII+#?D
D8\9nHUD`
for i=2:100 k=2*a(i-1); i#:M2&twE
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))]; rp,Us#>6
x(i)=XY(1); y(i)=XY(2); rj/1AK
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; 'H-hp
i x(i) Tl L\&n.$
y(i)end EpB3s{B"
plot(x,y)