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 d @ l
K4+|K:e
程序如下 dV16'
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clearclc k@h0 }%
h=1000;N=100; ,oPxt
R=100;for i=2:101 pf+VYZ#)
theata(i)=asin(sqrt((i-1)/N));end VE1j2=3+o
theata(1)=0;for i=1:101 8j :=D!S
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) wA)nryXV
end% r(1)=0; %iJ}H6m
a=zeros(101,1);c=zeros(101,1); <G`1(,g
x=zeros(101,1);y=zeros(101,1); ;t,v/(/3
a(1)=550;x(1)=-50; Pl-9FLJ
y(1)=0; {"2CI^!/U.
E7_OI7C
for i=2:100 k=2*a(i-1); {`T^&bk
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))]; [tElt4uG
x(i)=XY(1); y(i)=XY(2); LR\8M(rtvH
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; 5tzO=gO[
i x(i) ):}A Quy]
y(i)end 3 `mtc@*
plot(x,y)