%无中间像，焦距输入为负数 7Hp~:i30
function sjr=nfdre(~) t?cO>4*|
e!|T Tap
%系统焦距及各镜间距输入，间距取负正负 CsW*E,|xyP
o _DZ
f=input('f:'); x N]88L}Tn
d1=input('d1:'); J3#
d2=input('d2:'); cb9q0sdf
d3=input('d3:'); _+x&[^gjP
Q7@
m.w%`
A=f^2/(d3*d2)-f/d1; ]Qb85;0)
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); -~
5|_G2Y"
C=d3/d2-f/d1; qra5&Fvb
@(Y+W2Iyy+
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 ziBg'
a2=d3/(a1*f);%α2
C#x9RW
b2=a1*(1-a2)*f/d2;%β2 ]U,f}T"e
b1=(1-a1)*f/(d1*b2);%β1 y |E {]
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no lLeRE1
%曲率半径 Xv1mjHZCC
(>gAnebN
L
R1=2*f/(b1*b2) 84 $#!=v
R2=2*a1*f/(b2*(1+b1)) ,c\3 b)ax
R3=2*a1*a2*f/(1+b2) l~9P 4
,
7Yrp#u1!
A1=b2^3*(a1-1)*(1+b1)^3; 6Jf\}^4@k
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; d
%Z+.O
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; m?=9j~F *
-H;p +XAY
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); $ VLCD
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); r]+N(&q
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); Q-LDFnOFwp
]Y@ia]x&P
CB=[C1 B1;C2 B2]; X #!oG)or
AB=[A1 B1;A2 B2]; 9e:}q O5)
AC=[A1 C1;A2 C2]; s=xJcLA
.^J7^ Ky,
%非球面系数 HX]pcX^K
k2=-(det(CB)/det(AB)); ;+/[<bv d"
k3=-(det(AC)/det(AB)); E5}wR(i,4
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 P6cc8x9g(
k2=k2 (ON_(MN
k3=k3 ,wvzY7%
LVj62&,-
end jS,zdJs=
l *Iy:j(B
%有中间像，焦距输入为正数 d=B
DR^/wA
0 G.y_<=
function sjr=yfdre(~) P_f>a?OL :
>v DD .
f=input('f:'); 5c~OG6COx
d1=input('d1:'); 8v)PDO~D}A
d2=input('d2:'); cNd2XQB9=
d3=input('d3:'); & sRjs
3g#fX{e_5!
A=f^2/(d3*d2)-f/d1; zkt+"P{az[
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); dU~DlaEy(
C=d3/d2-f/d1; @fH?y Z=>
}m~2[5q%/
a1=(-B-sqrt(B^2-4*A*C))/(2*A); Gu3'<hTlxd
a2=d3/(a1*f); Tmo+I4qoL
b2=a1*(1-a2)*f/d2; mne=9/sE"
b1=(1-a1)*f/(d1*b2); v<`1z?dch
DfCo=
%曲率半径 /Nh:O
Q\DD^Pbq
R1=2*f/(b1*b2) m_7)r
R2=2*a1*f/(b2*(1+b1)) +C{ %pF
R3=2*a1*a2*f/(1+b2) Y( D@B|"'m
dpBG)Xzoyv
A1=b2^3*(a1-1)*(1+b1)^3; ZZa$ /q"
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; %0PZZl5b
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; q1nGj
7b_Ihv
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); >o\[?QvP
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); J!QzF)$4J
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); (BgO<
ZU&I`q|Y6
CB=[C1 B1;C2 B2]; Q-[^!RAK?
AB=[A1 B1;A2 B2]; c{Ax{ -'R
AC=[A1 C1;A2 C2]; G}tq'#]E{z
9^m& [Z
%二次系数 z^/aJ@gQ
Sdc;jK 9d!
k2=-(det(CB)/det(AB)); 4=H/-v'&
k3=-(det(AC)/det(AB)); .&ynS
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 -4JdK O
k2=k2 >s E5zj|V
k3=k3 R {r0 dK"_
13]sZ([B%|
end
