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 ?vbDB 4
Lo3-X
程序如下 8]*Q79
w!,QxrOV~
clearclc b~wKF0vq
h=1000;N=100; Kdt|i93
R=100;for i=2:101 3"i% {
theata(i)=asin(sqrt((i-1)/N));end >}]H;&
l
theata(1)=0;for i=1:101 N du7nKG
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) `!Ln|_,d
end% r(1)=0; |HgfV@Han
a=zeros(101,1);c=zeros(101,1); zzJ^x8#R
x=zeros(101,1);y=zeros(101,1); x70N8TQ_gK
a(1)=550;x(1)=-50; 0VG=?dq
y(1)=0; 75 Fp[Q-
g~R/3cm4
for i=2:100 k=2*a(i-1); 8&Wx@QI
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))]; +{vQSFW
x(i)=XY(1); y(i)=XY(2); &t[|%c*D&
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; 7+8bL{
i x(i) j;0ih_Z@4W
y(i)end Ec.)!Hu
plot(x,y)