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 @NGK2J
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程序如下 O=}4?Xv
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clearclc ;bVC7D~~4w
h=1000;N=100; SU OuayE
R=100;for i=2:101 7N "$~UfC
theata(i)=asin(sqrt((i-1)/N));end 5EDN 9?a
theata(1)=0;for i=1:101 Ev;HV}G
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) gB@Xi*
end% r(1)=0; ~<Z;)e
a=zeros(101,1);c=zeros(101,1); {S(d5o8
x=zeros(101,1);y=zeros(101,1); Z%~j)
a(1)=550;x(1)=-50; /5Wy)-
y(1)=0; pN/)$6=
4g]Er<-P
for i=2:100 k=2*a(i-1); I%^Ks$<"
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))]; ) W)m?%
x(i)=XY(1); y(i)=XY(2); LtKiJ.j?A
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; W
HO;;j
i x(i) {J q[N}
y(i)end vlth\[
plot(x,y)