%无中间像，焦距输入为负数 <lFdexH"T
function sjr=nfdre(~) e{5,'(1]
(/'h4KS@
%系统焦距及各镜间距输入，间距取负正负 p:B
]Ft
$)Wb#B
f=input('f:'); ]5N zK=2{
d1=input('d1:'); G=1m] >I8
d2=input('d2:'); n<E.Em1
d3=input('d3:'); T e+^J 8
?gLAW z
A=f^2/(d3*d2)-f/d1; zyDZ$Dhka
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); t')h{2&&!2
C=d3/d2-f/d1; 2sUbiDe-
q?yMa9ZZky
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 ?!H)zz6y
a2=d3/(a1*f);%α2 :.DI_XN`
b2=a1*(1-a2)*f/d2;%β2 @Y Cv
b1=(1-a1)*f/(d1*b2);%β1 82|q7*M*.
2\5cjdy
85}
ii{S
%曲率半径 D{R/#vM jk
IQIbz{bMx
R1=2*f/(b1*b2) dsK/6y u
R2=2*a1*f/(b2*(1+b1)) @LcT-3 u
R3=2*a1*a2*f/(1+b2) lj*8mS/;h
:Dayv6g
A1=b2^3*(a1-1)*(1+b1)^3; q@%h^9.
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; _- /x;C
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; v~}5u
5 $O
V/ +Jc( N
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); d5:tSO
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); a!D*)z Y
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,!v c4
Ra0=q4vdk
CB=[C1 B1;C2 B2]; 8[~~ gYl
AB=[A1 B1;A2 B2]; \e|U9;Mf
AC=[A1 C1;A2 C2]; pisB,wP$2
0Z,{s158L
%非球面系数 SF^x=[ir
k2=-(det(CB)/det(AB)); * 0~M
k3=-(det(AC)/det(AB)); g#qNHR
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 H*rx{ F?
k2=k2 y@`~ 9$
k3=k3 q3)wr%!k5D
Ft)
lp>3gv
end r4?b0&Xq
>t0%?wj)Y
%有中间像，焦距输入为正数 +2Ql~w@$^l
61Bhm:O5W
function sjr=yfdre(~) 69/?7 r
88g47>{X
f=input('f:'); s^cc@C
d1=input('d1:'); {i>Jfl]G}
d2=input('d2:'); thptm
d3=input('d3:'); 5oJ Du x }
z, x" a
A=f^2/(d3*d2)-f/d1; , 1
P[
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); ~ezCu_
C=d3/d2-f/d1; (Y2m md
-`Q}t g>cT
a1=(-B-sqrt(B^2-4*A*C))/(2*A); l{5O5%\,
a2=d3/(a1*f); Gs_qO)~xo
b2=a1*(1-a2)*f/d2; sa9fK Z'q
b1=(1-a1)*f/(d1*b2); ej52AK7
j{;|g%5t
%曲率半径 qo_]ZKL44
Me/\z^pF
R1=2*f/(b1*b2) 6/6Rah!
R2=2*a1*f/(b2*(1+b1)) EZib1g&:R/
R3=2*a1*a2*f/(1+b2) [ @ 3 SfQ
h!e2
+4{4{
A1=b2^3*(a1-1)*(1+b1)^3; 9!}q {2j
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; Z>2]Xx%
\
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; aD ESr?
@]=f?+y[ 2
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); +9[SVw8
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); :6lwO%=F
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); s <&[ \U
$"8d:N?I[
CB=[C1 B1;C2 B2]; DMd ,8W7a
AB=[A1 B1;A2 B2]; =IHje ;s
AC=[A1 C1;A2 C2]; O@jqdJu
M&y5AB 0
%二次系数 I60DUuF
hS:jBp,
k2=-(det(CB)/det(AB)); U -EhPAB@
k3=-(det(AC)/det(AB)); ?2ItB `<(
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 9&K/GaG
k2=k2 2\0Oji\6
k3=k3 1b3(
c!Dc8=nE0m
end
