%无中间像,焦距输入为负数 `$oGgz6ZT
function sjr=nfdre(~) JwWW w1
9,|{N(N<!
%系统焦距及各镜间距输入,间距取负正负 -y]\;pbZ0
fP>_P#gZ
f=input('f:'); Z7RGOZQ}G
d1=input('d1:'); yoa"21E$
d2=input('d2:'); 3a PCi>i!_
d3=input('d3:'); :e> y=
s>
lJ.:5$2H
A=f^2/(d3*d2)-f/d1; &ywAzGV{s
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); vmdu9"H
C=d3/d2-f/d1; K +n
V5sH:A7GJ
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 taOD,}c|$
a2=d3/(a1*f);%α2 YT\x'`>Q
b2=a1*(1-a2)*f/d2;%β2 ']1\nJP[=X
b1=(1-a1)*f/(d1*b2);%β1 Z$!>hiz2
[uCW8:e
kKr|PFz
%曲率半径 qN((Xz+AZE
3wZA,Z
R1=2*f/(b1*b2) g a|RW0
R2=2*a1*f/(b2*(1+b1)) \jL n5$OW
R3=2*a1*a2*f/(1+b2) L rV`P)$T
rT$J0"*=
A1=b2^3*(a1-1)*(1+b1)^3; 4_qd5K+n"
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; eh_{-
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; g4USKJ19.
SrGX4
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); 3vRRL
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); !f5I.r~
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); mU.(aLHW
Zwj\Hz.
CB=[C1 B1;C2 B2]; F<SMU4]YdG
AB=[A1 B1;A2 B2]; 1L722I@
AC=[A1 C1;A2 C2]; ',GWH:B
CVfQ
%非球面系数 $s$j</.q
k2=-(det(CB)/det(AB)); *Y!'3|T
k3=-(det(AC)/det(AB)); N8a+X|3]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 Y1RiuJtL
k2=k2 } :U'aa
k3=k3 heQ<%NIA"
UHr0J jQK
end dIk/vg
<aps)vF
%有中间像,焦距输入为正数 L3[r7 b
Q/[|/uNw?
function sjr=yfdre(~) HPl'u'.Hg
E__^>=
f=input('f:'); s5{N+O)~S
d1=input('d1:'); hE.NW
d2=input('d2:'); ["l1\YCi
d3=input('d3:'); g+>$_s
3^p<Wx
A=f^2/(d3*d2)-f/d1; dH4wyd`
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); CZ2&9Vb9I
C=d3/d2-f/d1; Hkq""'Mx+w
5!WQ
a1=(-B-sqrt(B^2-4*A*C))/(2*A); AITV+=sN
a2=d3/(a1*f); CBaU$`5
b2=a1*(1-a2)*f/d2; .48Csc-
b1=(1-a1)*f/(d1*b2); ul0]\(sS:
f-6hcd@Ca
%曲率半径 E-Z6qZ^
i=b<Mz7|
R1=2*f/(b1*b2) E/x2LYH
R2=2*a1*f/(b2*(1+b1)) T)%34gN
R3=2*a1*a2*f/(1+b2) ]Tmx;[D
U~{fbS3,
A1=b2^3*(a1-1)*(1+b1)^3; 8@`"Zz M
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; !uaV6K
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; aLr\Uq,83
jP*5(*[&y
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); 5Fh?YS =
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); 5I #L|+
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); RmXC
^VQ
Y{c_5YYf
CB=[C1 B1;C2 B2]; Z}#,E;
AB=[A1 B1;A2 B2]; J:s^F
n
AC=[A1 C1;A2 C2]; 0*?/s\>PS;
n_G< /8
%二次系数 &?~OV:r9
);4lM%]eb
k2=-(det(CB)/det(AB)); 8?ig/HSt2
k3=-(det(AC)/det(AB)); vZEeb j
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 [x}]sT`#a
k2=k2 w!$|IC
k3=k3 S $wx>715
5sbMp;ZM
end