%无中间像，焦距输入为负数 '8NKrI
function sjr=nfdre(~) # $:ddO Y
kF9T 9
%系统焦距及各镜间距输入，间距取负正负 h^P>,dy0
web =AQ5I4
f=input('f:'); :<OInKE>Cx
d1=input('d1:'); }mjJglK!N
d2=input('d2:'); Phsdn`,
d3=input('d3:'); SWjOJjn
!A"`jc~x:
A=f^2/(d3*d2)-f/d1; :\@WY
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); qAsZ,ik
C=d3/d2-f/d1; iQczvn)"m
G4Zs(:a
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 T/
CI?sn
a2=d3/(a1*f);%α2 G
.~P sw#
b2=a1*(1-a2)*f/d2;%β2 Jy 'ge4]3
b1=(1-a1)*f/(d1*b2);%β1 q|,I\H5}
H( `^1
IB x?MU#.
%曲率半径 \ A\a=A[
U9;C#9E
R1=2*f/(b1*b2) _wWh7'u~G
R2=2*a1*f/(b2*(1+b1)) ui4H(A'}
R3=2*a1*a2*f/(1+b2) 0@rrY
fW Vd[zuD4
A1=b2^3*(a1-1)*(1+b1)^3; A2z%zMlZc
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; `zHtf ox !
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; k/vE |
Z8$@}|jN
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); Ga-AhP
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); x. r~e)x=
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); ,jyNV<dI
--0z"`@{
CB=[C1 B1;C2 B2]; @]Ye36v0#L
AB=[A1 B1;A2 B2]; }-m/
'Q
AC=[A1 C1;A2 C2]; +XU*NAD,!
S%b7NK
%非球面系数 "sz)~Q'W5
k2=-(det(CB)/det(AB)); 6Flc4L8JU
k3=-(det(AC)/det(AB)); H~+D2A
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 MpM-xz~
k2=k2 @R >4b
k3=k3 $=n|MbFl
$%VFk 53I
end ]yN]^% PYH
q>w@W:t Z
%有中间像，焦距输入为正数 )'M<q,@<(
p^+k :E>U
function sjr=yfdre(~) \$s<G|<P
%;9f$:U
f=input('f:'); St/Hv[H'[E
d1=input('d1:'); zbP0!
d2=input('d2:'); I ms?^`N
d3=input('d3:'); H$Fz{[[u
aYe,5dK>
A=f^2/(d3*d2)-f/d1; 0X# tt`;
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); YMnG-'^Z
C=d3/d2-f/d1; m.-l&@I2/<
= LuH:VM&
a1=(-B-sqrt(B^2-4*A*C))/(2*A); ,T_HE3 K
a2=d3/(a1*f); {<&I4V@+
b2=a1*(1-a2)*f/d2; wQ[~7 ,o
b1=(1-a1)*f/(d1*b2); Z=DAA+T`
c ]F$$BT
%曲率半径 ]i\D*,FfU
lu_ y 9o^
R1=2*f/(b1*b2) {hK$6bD 3^
R2=2*a1*f/(b2*(1+b1)) R>[2 }R30
R3=2*a1*a2*f/(1+b2) |~k=:sSz{
URmx8=q
A1=b2^3*(a1-1)*(1+b1)^3; _S/bwPj|~y
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; 4p&qH igG
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; mkTf}[O
W'rft@J$
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); |vA3+kG
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); _;$VH4(BI
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); k&ujr:)5Y5
X1!m ]s(I
CB=[C1 B1;C2 B2]; N%/Qc hu
AB=[A1 B1;A2 B2]; l%.3hId-
AC=[A1 C1;A2 C2]; cnC&=6=a<
GIsXv 2
%二次系数 U/Z!c\r
MOP
%vS
k2=-(det(CB)/det(AB)); -MJ6~4k2
k3=-(det(AC)/det(AB)); ,\4@Ao
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 ItHKpTe r
k2=k2 f8_5.vlw
k3=k3 ,SuF1&4
ZU7e1VaZM
end
