%无中间像，焦距输入为负数 \7/yWd{N$
function sjr=nfdre(~) xZ9:9/Vg
A> yU0\A
%系统焦距及各镜间距输入，间距取负正负 \@:,A]
cj8cV|8@
f=input('f:'); 1jl !VU6
d1=input('d1:'); p%"dYH%]&0
d2=input('d2:'); fo@^=-4A-
d3=input('d3:'); S 13cQ?4
oY18a*_>M1
A=f^2/(d3*d2)-f/d1; WVy'f|3;
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); e yJ07
C=d3/d2-f/d1; E MW6'
2 nd n8_l
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 Nujnm$!,Q
a2=d3/(a1*f);%α2 3`H K^((o
b2=a1*(1-a2)*f/d2;%β2 +tqErh?Al
b1=(1-a1)*f/(d1*b2);%β1 FLqN3D=y Q
pSw/QO9
WVbrb s4
%曲率半径 L8QWEFB|
@Iv;y*y
R1=2*f/(b1*b2) G21o @38e
R2=2*a1*f/(b2*(1+b1)) .w9LJ
R3=2*a1*a2*f/(1+b2) HgF;[rq3Q
K T}
A1=b2^3*(a1-1)*(1+b1)^3; JQ&t"`\k
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; iEr,ly
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; |@Tga _0p
$"^ K~5Q
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); w
)R5P[b
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); &7aWVKon
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); wSTul o: 9
/ 8cRPB.
CB=[C1 B1;C2 B2]; $<^t][{
AB=[A1 B1;A2 B2]; 9)q3cjP{<
AC=[A1 C1;A2 C2]; Tu#< {'1$
):D"L C
%非球面系数 i q(PC3e`V
k2=-(det(CB)/det(AB)); NK_|h %
k3=-(det(AC)/det(AB)); I{`7 0
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 {*ak>Wud
k2=k2 /U~|B.z@6
k3=k3 |cPHl+$nh.
~&?bU]F
end %qP [+N&
Y`|+sND
%有中间像，焦距输入为正数 |\5^u b,m
G 6sK3K
function sjr=yfdre(~) `Lf'/q
!'7fOP-J]
f=input('f:'); ;;Q^/rkC
d1=input('d1:'); `2s!%/
d2=input('d2:'); z ^gJy,T
d3=input('d3:'); E9HMhUe
kSQ8kU_w+
A=f^2/(d3*d2)-f/d1; <B"sp r&1
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); [VCC+_
C=d3/d2-f/d1; K2x[ApS#
C| (A/b
a1=(-B-sqrt(B^2-4*A*C))/(2*A); I2ek `t]
a2=d3/(a1*f); Y?Vb gOM)
b2=a1*(1-a2)*f/d2; i e}O ZM
b1=(1-a1)*f/(d1*b2); 'Wonz<{'
2ej7Ql_@c
%曲率半径 kIrrbD
g*| j+ <:7
R1=2*f/(b1*b2) [m
t.2 .
R2=2*a1*f/(b2*(1+b1)) s[1ao"sZ^
R3=2*a1*a2*f/(1+b2) @=Kq99=\U
'=\}d av!
A1=b2^3*(a1-1)*(1+b1)^3; `&$8/_`
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; qt GJJ#^,
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; ;SR ESW
y}Ky<%A!P
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); pMc6p0
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); \INH[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); v\0 G`&^1
QFyL2Xes/
CB=[C1 B1;C2 B2]; &K)8
AB=[A1 B1;A2 B2]; ::L2zVq5V
AC=[A1 C1;A2 C2]; R` ?l .0
+jN}d=N-
%二次系数 |m19fg3u
=lXj%V^8N
k2=-(det(CB)/det(AB)); fn#8=TIDf
k3=-(det(AC)/det(AB)); B{-7
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 TQ
Vk;&A
k2=k2 85{m+1O~
k3=k3 ?Cq7_rq
|Lq8cA)|y
end
