%无中间像，焦距输入为负数 T$<'ZC
function sjr=nfdre(~) :9x]5;ma
-byaV;T?"
%系统焦距及各镜间距输入，间距取负正负 SdML O6-
z?kE((Ey
f=input('f:'); pEN`6*
d1=input('d1:'); %1 {O
d2=input('d2:'); vo)W
ziHh
d3=input('d3:'); Lc]hwMGR*
;p <BiC$b
A=f^2/(d3*d2)-f/d1; <HS{A$]
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); Vu4L C&q
C=d3/d2-f/d1; =,qY\@fq
E KN<KnU%
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 ]-a/)8
a2=d3/(a1*f);%α2 ' gD./|Z0
b2=a1*(1-a2)*f/d2;%β2 ,VUOsNN4\
b1=(1-a1)*f/(d1*b2);%β1 ni )G
+<V $G/ "
d|~'#:y@
%曲率半径 on5\rY<I:@
Iue=\qUK^
R1=2*f/(b1*b2) #}~?8/h!
R2=2*a1*f/(b2*(1+b1)) ~d,$ n Z"z
R3=2*a1*a2*f/(1+b2) /M3; ~ sx
-!M>;M@
A1=b2^3*(a1-1)*(1+b1)^3; r 9b(d]
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; 9U3 }_
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; Uqj$i tqUQ
K *1]P ar;
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); 87)/dHc
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); | "M1+(k7
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); 9 o P
M\JAB ;A
CB=[C1 B1;C2 B2]; Pd
`~#!
AB=[A1 B1;A2 B2]; ! mwMSkkq
AC=[A1 C1;A2 C2]; 8 K)GH:a
zJUT<%[U
%非球面系数 pj3H4yCM:
k2=-(det(CB)/det(AB)); g OE ?
k3=-(det(AC)/det(AB)); meThjCC
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 ~%
`hh9]
k2=k2
e~,+rM
k3=k3 P+_1*lOG
Wap\J7NY
end XMxm2-%olP
T 0b/txS
%有中间像，焦距输入为正数 Z3u6m0!
A%&lW9z7
function sjr=yfdre(~) Zm6jF
od,,2pwK+
f=input('f:'); J5Q.v;
d1=input('d1:'); Klu0m~X@
d2=input('d2:'); 30s A\TZ
d3=input('d3:'); Wi g TNg4
h+YPyeAs
A=f^2/(d3*d2)-f/d1; ggfCfn
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); dg+"G|nr
C=d3/d2-f/d1; W>b\O">
>*+n `"6
a1=(-B-sqrt(B^2-4*A*C))/(2*A); c0X1})q$
a2=d3/(a1*f); Zba<|C
b2=a1*(1-a2)*f/d2; W+s3rS 2
b1=(1-a1)*f/(d1*b2); L$, Kdpj
zpNt[F?~1
%曲率半径 5;XU6Rz!
c7tO'`q$e
R1=2*f/(b1*b2) $0~1;@`rQ6
R2=2*a1*f/(b2*(1+b1)) N>sHT
=_
R3=2*a1*a2*f/(1+b2) \t&8J+%
KO[T&#y'
A1=b2^3*(a1-1)*(1+b1)^3; o##!S6:A
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; IkGM ~3 e
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; 9c0
Dw TVoCC
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); Gsm.a
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); -y$<fu9
e
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); 4T){z^"
X N3'k[
CB=[C1 B1;C2 B2]; XF@34b5(
AB=[A1 B1;A2 B2]; 0juP"v$C>
AC=[A1 C1;A2 C2]; |a'$v4dCF
Fd%JF#Hk
%二次系数 ~eiD(04^r*
7o7FW=^
k2=-(det(CB)/det(AB)); Y%(8'Ch
k3=-(det(AC)/det(AB)); q R%as0;
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 7Fzr\&
k2=k2 mMCd
k3=k3 {t]8#[lo
?+{_x^
end
