%无中间像,焦距输入为负数 Oq*a4_R'YV
function sjr=nfdre(~) Kl(}s{YFn.
_=UXNr8S
%系统焦距及各镜间距输入,间距取负正负 OTN"XKa$
g\rujxHlH
f=input('f:'); A"vI6ud>
d1=input('d1:'); `"GD'Oa
d2=input('d2:'); wLkHU"'
d3=input('d3:'); x ~Se-#$
#xYkG5`lm
A=f^2/(d3*d2)-f/d1; dMRwQejY{7
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); QHP^1W`
C=d3/d2-f/d1; aFIet55o
lCd^|E
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 =\CbX
a2=d3/(a1*f);%α2 wKk
b2=a1*(1-a2)*f/d2;%β2 h=`rZC
b1=(1-a1)*f/(d1*b2);%β1 [0/ ?(i|
)I1LBvfQ
<Y~V!9(~{Q
%曲率半径 rp=?4^(u
jG)>{D
R1=2*f/(b1*b2) G|3OB:
R2=2*a1*f/(b2*(1+b1)) JC>}(yQA
R3=2*a1*a2*f/(1+b2) C$ZY=UXz!T
EnwiE
A1=b2^3*(a1-1)*(1+b1)^3; (e F5?I
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; -BEPpwb<g
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; gMHH3^\VH)
QXXcJc~
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); I62Yg
p$K
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); uA}asm
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); C$,S#n@
2GZUMXK
CB=[C1 B1;C2 B2]; Aqp3amW!
AB=[A1 B1;A2 B2]; u6(7#n02
AC=[A1 C1;A2 C2]; KVQZ
BOh&Db*
%非球面系数 fC~WuG3
k2=-(det(CB)/det(AB)); w`!Yr:dU
k3=-(det(AC)/det(AB)); f3v/Y5)
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 >vP^l
{SD
k2=k2 N3x}YHFF
k3=k3 K.X% Q,XD
k{@z87+&
end SxOM@A
vP,WV9Q1u
%有中间像,焦距输入为正数 [oKB1GkA
=#y&xWxL