%无中间像，焦距输入为负数 90v18k
function sjr=nfdre(~) =_:L
wmI
jmNj#R@t
%系统焦距及各镜间距输入，间距取负正负 ,H1~_|)<
K1WoIv<Ym
f=input('f:'); ;;H:$lx
d1=input('d1:'); &R t]K
d2=input('d2:'); 0PbIWy'
d3=input('d3:'); z=pV{ '
p&27|1pZm
A=f^2/(d3*d2)-f/d1; !\uk b
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); \gXx{rLW
C=d3/d2-f/d1; ~n
9DG>a
^$
bhmJYT
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 i(kK!7W35
a2=d3/(a1*f);%α2 u Q1;+P:L
b2=a1*(1-a2)*f/d2;%β2 d9( Sj?
b1=(1-a1)*f/(d1*b2);%β1 Y% 9F
~jTn jx
.ai 9PsZ?V
%曲率半径 x)5v8kgf
PFw "ICs
R1=2*f/(b1*b2) j06oAer 9
R2=2*a1*f/(b2*(1+b1)) R/YL1s
R3=2*a1*a2*f/(1+b2) H
>{K]7D/y
$8}'6,
A1=b2^3*(a1-1)*(1+b1)^3; M.Ik%nN#K0
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; n d1*e
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; 0GVok$r@
C^tC} n1D(
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); #OTsD+2Za=
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); h)`vc#"65k
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); \LXC269
*p!dd?8
CB=[C1 B1;C2 B2]; \ChcJth@o<
AB=[A1 B1;A2 B2]; ge8zh/`
AC=[A1 C1;A2 C2]; NR@Tj] `k
[40 YoVlfM
%非球面系数 Q[KR,k
k2=-(det(CB)/det(AB)); _O<{H '4NO
k3=-(det(AC)/det(AB)); !:e
qPpz
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 6vA 5;a@
k2=k2 NBYE#Uih
k3=k3 _F E F+I
xw H`alu
end `s $@6r$
G 9q0E|
%有中间像，焦距输入为正数 K gX)fj
T5; D0tM/
function sjr=yfdre(~) I,;)pWX=@
kv b-=
f=input('f:'); |_*1/Wz@
d1=input('d1:'); O=/Tx2i;
d2=input('d2:'); B=Os?'2[
d3=input('d3:'); = x}/q4}L
quYZD6IH
A=f^2/(d3*d2)-f/d1; 5ntP{p%>
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); R[;Z<K\Nn?
C=d3/d2-f/d1; Y<XDR:]A,
A9gl|II
a1=(-B-sqrt(B^2-4*A*C))/(2*A); ENz eVtw0
a2=d3/(a1*f); .Dmvgi]
b2=a1*(1-a2)*f/d2; 3R><AFMY?
b1=(1-a1)*f/(d1*b2); jGCW ^#GE
IM/\t!*7
%曲率半径 =I1@ O9}+i
H <yec"
R1=2*f/(b1*b2) Z5=!R$4
R2=2*a1*f/(b2*(1+b1)) Dr:}k*
R3=2*a1*a2*f/(1+b2) H>]x<#uz)
vrGNiGIi[
A1=b2^3*(a1-1)*(1+b1)^3; E=d[pI,e
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; w[ngkLEA
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; 10&A3C(E
elN3B91\6r
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); e1-=|!U7#
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); .YkKIei
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); {Hv=iVmt
2 H#vA
CB=[C1 B1;C2 B2]; #a&Vx&7L
AB=[A1 B1;A2 B2]; HChewrUAn
AC=[A1 C1;A2 C2]; "e"`Or
2h!3[ {M\
%二次系数 ES> 3Cf
)C@,mgh
k2=-(det(CB)/det(AB)); wF(FV4#gs
k3=-(det(AC)/det(AB)); [% jg;m
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 ;ORy&H aKl
k2=k2 K&*FI (a
k3=k3 x@~V975Y
JoYzC8/r
end
