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 'awL!P--
5inmFT?9Z
程序如下 /Fej)WQp
O7|0t\)
clearclc 4Y5Q>2D}
h=1000;N=100; l$D]*_ jc,
R=100;for i=2:101 .8hB <G
theata(i)=asin(sqrt((i-1)/N));end 3+_? /}<
theata(1)=0;for i=1:101 6Clxe Lk
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) Mi&,64<
end% r(1)=0; %m]9";
a=zeros(101,1);c=zeros(101,1); K0RY2Hiw
x=zeros(101,1);y=zeros(101,1); Cdl#LVqs
a(1)=550;x(1)=-50; EzOO6
y(1)=0; DytH} U"
M7BCBA
for i=2:100 k=2*a(i-1); 2%"2~d7
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))]; ]YQ[ )
x(i)=XY(1); y(i)=XY(2); ''S*B|:
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; J
>Zd0Dn
i x(i) @K/}Ob4
y(i)end Tct8NG
plot(x,y)