| 敬天帅 |
2017-01-03 13:31 |
关于配焦椭流线法的matlab编程实现问题
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 d<Dn9,G
o[{&!t
程序如下 ;y>'yq}
e[p^p!a
clearclc ]
zIfC>@R
h=1000;N=100; =F[lg ?g
R=100;for i=2:101 Ltg-w\?]
theata(i)=asin(sqrt((i-1)/N));end 6=BZ~e d
theata(1)=0;for i=1:101 %
&+|==-
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) |+mOH#Aty
end% r(1)=0; wLSjXpP 8
a=zeros(101,1);c=zeros(101,1); Ei~] iZ}
x=zeros(101,1);y=zeros(101,1); ;> /ipnx
a(1)=550;x(1)=-50; ZpTi:3>
y(1)=0; {6Y xN&
"?+ UI
for i=2:100 k=2*a(i-1); _X?y , #
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))]; C &FN#B
x(i)=XY(1); y(i)=XY(2); QS%,7'EG
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; / (.'*biQ
i x(i) @|]iSD&T
#
y(i)end h+
TB]
plot(x，y）
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