| 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 ]<trA$ 0
Mi 0sC24b|
程序如下 Qn+:/ zA;
63& ^BW
clearclc WES#ZYtT
h=1000;N=100; I VjU`ij
R=100;for i=2:101 b"CA Kl
theata(i)=asin(sqrt((i-1)/N));end SF<Vds}A2
theata(1)=0;for i=1:101 8]"(!i_;)
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) #&Is GyU
end% r(1)=0; ?IhB-fd>@
a=zeros(101,1);c=zeros(101,1); %&+59vq
x=zeros(101,1);y=zeros(101,1); 46x.i;b7
a(1)=550;x(1)=-50; ~~qWI>. 4
y(1)=0; W!la -n
<+U|dX
for i=2:100 k=2*a(i-1); WFv!Pbq,
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))]; 77 ,oPLSn
x(i)=XY(1); y(i)=XY(2); ?S[Y:<R{:
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; #I0pYA2m
i x(i) R[ Fn0fnLx
y(i)end gNj7@bX~
plot(x，y）
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