%无中间像，焦距输入为负数 _T Po=}Z
function sjr=nfdre(~) tiE+x|Ju"
.sG,TLE[<
%系统焦距及各镜间距输入，间距取负正负 E7eVg*Cvi
dY-a,ch"8p
f=input('f:'); &yA<R::o
d1=input('d1:'); ?3Jh{F_+
d2=input('d2:'); "tj#P
d3=input('d3:'); x b0+4w|
Fo G<$9
A=f^2/(d3*d2)-f/d1; `X^e}EGWu
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); GO)rpk9
C=d3/d2-f/d1; BkZ%0rw%
F>b6fUtR
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 AX,Db%`l,
a2=d3/(a1*f);%α2 blN1Q%m6
b2=a1*(1-a2)*f/d2;%β2 C95,!q
b1=(1-a1)*f/(d1*b2);%β1 0 j.Sb2
V[xy9L[#
)[K 3p{ 4
%曲率半径 j d8 1E
B )Q'a3d#
R1=2*f/(b1*b2) rka:.#!
R2=2*a1*f/(b2*(1+b1)) a2 rv4d=
R3=2*a1*a2*f/(1+b2) ZkIQ-;wx
*"CvB{XF&Z
A1=b2^3*(a1-1)*(1+b1)^3; OX` n`+^D
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; *=7[Ip< X
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; $F-XXBp
$K KaA{ 0-
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); }6bLukv
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); I>5 @s;
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); ^"l$p,P +
)mPlB.
CB=[C1 B1;C2 B2]; Ww(_EW
AB=[A1 B1;A2 B2]; lewDR"0Kx
AC=[A1 C1;A2 C2]; 2$o[
JJ~?ON. H
%非球面系数 E&+ ^H
on
k2=-(det(CB)/det(AB)); 0l=} v %D
k3=-(det(AC)/det(AB)); >" .qFn g
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 uf^:3{1
k2=k2 kUUq9me&o
k3=k3 itF+6wv~
:65HMWy.
end ZYsFd_
??m7xH5u1
%有中间像，焦距输入为正数 % 8L<KJd
i4I0oRp
function sjr=yfdre(~) _6m3$k_[MJ
S>,I&`yi
f=input('f:'); 3I5WDuq
d1=input('d1:'); X4$e 2 f
d2=input('d2:'); 2f!oA~|2
d3=input('d3:'); Wn^^Q5U #
MQ*#oVqv
A=f^2/(d3*d2)-f/d1;
PBL^xlg
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); >u)ZT
C=d3/d2-f/d1; OkZ! ZS
h
5 DB>zou
a1=(-B-sqrt(B^2-4*A*C))/(2*A); 9>R|k$`
a2=d3/(a1*f); q&E5[/VK:
b2=a1*(1-a2)*f/d2; >t2b?(h/x
b1=(1-a1)*f/(d1*b2); v)yimIHzo
k Ml<
%曲率半径 wP/9z(US
`&_ k\/
R1=2*f/(b1*b2) @(c<av?
R2=2*a1*f/(b2*(1+b1)) IBkH+j
R3=2*a1*a2*f/(1+b2) X=pt}j,QrP
aELT"b,x
A1=b2^3*(a1-1)*(1+b1)^3; J J?ri,
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; Af N
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; ({KAh?
z4641q5'm
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); ? SP7vQ/
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); @izi2ND
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); t4/eB<fP
o'7ju~0L
CB=[C1 B1;C2 B2]; mzB#O;3=
AB=[A1 B1;A2 B2]; 2w|u)ow )
AC=[A1 C1;A2 C2]; 5vi#ItN}|
{H; |G0tR
%二次系数 `^-Be
mzxvfXSF
k2=-(det(CB)/det(AB)); [ |n-x3h
k3=-(det(AC)/det(AB)); F Rt/{(jro
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 ^3|$wB=
k2=k2 W lQ=CRY
k3=k3 KOEi_9i}
Z 03 4wn\N
end
