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 XE#a#
e
w%rc.;
程序如下 @23?II$=@
B~ ?R 6
clearclc "]SA4Ud^
h=1000;N=100; #]rfKHW9
R=100;for i=2:101 SO|!x}GfI
theata(i)=asin(sqrt((i-1)/N));end q1^bH6*fl
theata(1)=0;for i=1:101 YD9|2S!G
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) *P01 yW0
end% r(1)=0; "g5<j p
a=zeros(101,1);c=zeros(101,1); "cZ ){w
x=zeros(101,1);y=zeros(101,1); 9kzJ5}
a(1)=550;x(1)=-50; ?]%ZJd
y(1)=0; WJlJD*3
BT^Im=A
for i=2:100 k=2*a(i-1); ZGw6Bd_I
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))]; 9] L4`.HM
x(i)=XY(1); y(i)=XY(2); Vg^yjP{sv
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; (.J6>"K<
i x(i) oA* 88c+{f
y(i)end 2^X<n{0N)
plot(x,y)