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 F='Xj@&O
mgo'MW\
程序如下 Uc\|X;nkRk
A(q~{
clearclc FTbT9
h=1000;N=100; g4zT(,ZY
R=100;for i=2:101 `x2fp6
theata(i)=asin(sqrt((i-1)/N));end #:]vUQ
theata(1)=0;for i=1:101 h~,x7]w6
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) B1x'5S;Bq
end% r(1)=0; Z"l`e0{
a=zeros(101,1);c=zeros(101,1); Tq9,c#}&
x=zeros(101,1);y=zeros(101,1); :|?~B%-p[
a(1)=550;x(1)=-50; ;n3uV`\
y(1)=0; Qe7"Z
*d^9,GGn-
for i=2:100 k=2*a(i-1); !8wZw68"
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))]; -$AjD?;
x(i)=XY(1); y(i)=XY(2); "B3iX@C
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; ;X+G6F'
i x(i) hCU)W1q#
y(i)end gcX5Q^`a=
plot(x,y)