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 [<CIh46S.
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程序如下 Q4i@y6z
(r78AZ
clearclc I*hCIy#;
h=1000;N=100; OFH!z{*
R=100;for i=2:101 aAJ'0xnj
theata(i)=asin(sqrt((i-1)/N));end fsRRnD
theata(1)=0;for i=1:101 d)d\h`=Z
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) v 9\2/B
end% r(1)=0; ay4E\=k
a=zeros(101,1);c=zeros(101,1); 2?J[D7
x=zeros(101,1);y=zeros(101,1); AM?62
a(1)=550;x(1)=-50; D_VAtz
y(1)=0; fR]%:'2k
8Evon&G59
for i=2:100 k=2*a(i-1); *>"k/XUn$
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))]; 6'E3Q=}d
x(i)=XY(1); y(i)=XY(2); ,z8<[Q-#
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; JzI/kH~
i x(i) Ut|G.%1Vd%
y(i)end $=) i{kGS@
plot(x,y)