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 \;?=h
ZwLD7j*)
程序如下 FT1h\K|a
u7=jtB
clearclc {QTrH-C
h=1000;N=100; )V^J^1
R=100;for i=2:101 D&{7Av
theata(i)=asin(sqrt((i-1)/N));end -}lcMZY
theata(1)=0;for i=1:101 T4dYC'z
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) l_lm)'ag
end% r(1)=0; ?I` BbT}
a=zeros(101,1);c=zeros(101,1); r@&d88U:
x=zeros(101,1);y=zeros(101,1); uA?_\z?
a(1)=550;x(1)=-50; rAdYBr=0
y(1)=0; 1Ftl1uf
g<[_h(xDeG
for i=2:100 k=2*a(i-1); p%A(5DE
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))]; !@ml^&hP
x(i)=XY(1); y(i)=XY(2); o0~+%&
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; p_$03q>oQ
i x(i) Jlw
oSe:S
y(i)end B)F2SK<@
plot(x,y)