| 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 7y42)X
#3eI4KJ4+l
程序如下 Pn4jI(
iT s" R W
clearclc `ZO5-E
h=1000;N=100; ="f-I9y
R=100;for i=2:101 &5sPw^{,H
theata(i)=asin(sqrt((i-1)/N));end Z#[%JUYp'
theata(1)=0;for i=1:101 m=/HUt3(&0
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) Z= ;=9<vA
end% r(1)=0; Ux{QYjF E
a=zeros(101,1);c=zeros(101,1); E[=&6T4
x=zeros(101,1);y=zeros(101,1); m!!;CbPo
a(1)=550;x(1)=-50; c,ct=m.|6A
y(1)=0;
fCnwDT
[D (JEO@ :
for i=2:100 k=2*a(i-1); 2 n2,MB
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))]; _ouZd.
x(i)=XY(1); y(i)=XY(2); yd'cLZd<}
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; /L 2n
~/
i x(i) DT6 BFx
y(i)end 4ji' 6JHPg
plot(x，y）
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