%无中间像,焦距输入为负数 ||3%REliC
function sjr=nfdre(~) S~L$sqt
[:<CgU9C
%系统焦距及各镜间距输入,间距取负正负 7YT%.ID
@NlE2s6a
f=input('f:'); /.r|ron:e
d1=input('d1:'); rZ`ob x\S
d2=input('d2:'); 9qS~-'&q#
d3=input('d3:'); vI3L <[W
0o~? ]C
A=f^2/(d3*d2)-f/d1; Z18T<e
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); 0nUcUdIf+
C=d3/d2-f/d1; l&l&eOE
rOd<nP^`\
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 ?145^ w
a2=d3/(a1*f);%α2 4ti\;55{W
b2=a1*(1-a2)*f/d2;%β2 (os}s8cIh
b1=(1-a1)*f/(d1*b2);%β1 Bfe#,
~t7?5b?*\
Hx[YHu
KL^
%曲率半径 t}L kl(
>d-By
R1=2*f/(b1*b2) wSoIU,I
R2=2*a1*f/(b2*(1+b1)) Vg'vL[Y
R3=2*a1*a2*f/(1+b2) x`n$4a'7b
B1)gudP`
A1=b2^3*(a1-1)*(1+b1)^3; -|;{/ s5
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; r
>bMx~a]
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; {FRUB(68b
Kn-cwz5
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); -7E)u
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); gDbj!(tm
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); T-e'r
nmIos]B
CB=[C1 B1;C2 B2]; _8x:%$
AB=[A1 B1;A2 B2]; Tbf't^Ot$
AC=[A1 C1;A2 C2]; lId}sf
!9A6DWA E$
%非球面系数 _9 yb5_
k2=-(det(CB)/det(AB)); .*\TG/x
k3=-(det(AC)/det(AB)); ipzv]c&
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 |f5WN&c
k2=k2 JSz;>
k3=k3 8@;|x2=y
,:6gp3
end #dyz
r7B.@+QK
%有中间像,焦距输入为正数 wEd+Ds]$
%siBCjvo=
function sjr=yfdre(~) ay~c@RXW
wW2b?b{*Z
f=input('f:'); XC44]o4jx
d1=input('d1:'); |2RoDW
d2=input('d2:'); ]q!,onJ
d3=input('d3:'); dCq-&3?t
{jz?LM
A=f^2/(d3*d2)-f/d1; FuqMT`
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); z[Sq7bbYO
C=d3/d2-f/d1; iCd$gwA>F
sVXIR
a1=(-B-sqrt(B^2-4*A*C))/(2*A); gbvM2
a2=d3/(a1*f); {Hc [H-
b2=a1*(1-a2)*f/d2; 25EuVj`zL
b1=(1-a1)*f/(d1*b2); m~7[fgN2
NsbC0xLd
%曲率半径 nV`n=x
_(A9k{
R1=2*f/(b1*b2) tE|W8=be/
R2=2*a1*f/(b2*(1+b1)) :+?eF^5
R3=2*a1*a2*f/(1+b2) (]cM;
wWq(|"
A1=b2^3*(a1-1)*(1+b1)^3; iakqCjV
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; 2=R}u-@6p
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; p7SX,kpt>
^7b[spqE
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); 5&Y%N(
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); SNLZU%jan
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); qH1k
Evjvaa^
CB=[C1 B1;C2 B2]; Tt^PiaS!
AB=[A1 B1;A2 B2]; IZ9L
;"}
AC=[A1 C1;A2 C2]; Q4~/Tl;
W^(:\IvV
%二次系数 :eHD{=
8]G
k2=-(det(CB)/det(AB)); VIIBw
k3=-(det(AC)/det(AB)); *yx5G-#?
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 JXT%@w>I
k2=k2 RC[mpR;2
k3=k3 :A,g :B
yM_ta '^$
end