%无中间像，焦距输入为负数 ~xkcQ {
function sjr=nfdre(~) _KLKa/3
lfK sqe"
%系统焦距及各镜间距输入，间距取负正负 9 K~X}]u
"! m6U#^
f=input('f:'); GK~uoz:^O
d1=input('d1:'); (H DR}!.E
d2=input('d2:'); yIA- +# r[
d3=input('d3:'); X8"4)IZ3
]]V|[g&aJ
A=f^2/(d3*d2)-f/d1; u {o3
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); ;y/&p d+
C=d3/d2-f/d1; 2V:`':
#;z;8q
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 $mgW|TBXCQ
a2=d3/(a1*f);%α2 GO2 mccIB
b2=a1*(1-a2)*f/d2;%β2 58V`I5_
b1=(1-a1)*f/(d1*b2);%β1 4hz T4!15
"A6m-xE~
+Hgil
%曲率半径 Uc^e Ia@
A+de;&
R1=2*f/(b1*b2) g]vo."}5E
R2=2*a1*f/(b2*(1+b1)) Je5}Z.3m
R3=2*a1*a2*f/(1+b2) GRM6H|.
m}hEi
A1=b2^3*(a1-1)*(1+b1)^3; OD]`oJ |
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; < KG q
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; vhIZkz!9
xy)) }c%
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); Vd d HK
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); R-LM V
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); n+MWny
4Oo{\&(
CB=[C1 B1;C2 B2]; eu={6/O
AB=[A1 B1;A2 B2]; hz :h>Hwy
AC=[A1 C1;A2 C2]; )Fon;/p
x<5ARK6\=
%非球面系数 }@x!r=O)I
k2=-(det(CB)/det(AB)); s|IY
t^
k3=-(det(AC)/det(AB)); *IX<&u#
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 h?[|1.lJx(
k2=k2 !6!Gx:
k3=k3 )G#mC0?PV
=' uePM")
end *:bexD H
bd]9 kRq1K
%有中间像，焦距输入为正数 0vX4v)-^u
JTIt!E}P
function sjr=yfdre(~) ;/:Sx/#s
A]Bf&+V
f=input('f:'); C R Bj>
d1=input('d1:'); TyDh\f!w
d2=input('d2:'); Z _Wzm!:
d3=input('d3:'); *5IB@^<
KpA1Ac)T
A=f^2/(d3*d2)-f/d1; m/z,MT74*J
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); mG"xo^1_H
C=d3/d2-f/d1; H2H`7 +I,
CYRZ2Yrk?"
a1=(-B-sqrt(B^2-4*A*C))/(2*A); +F -EgF+J
a2=d3/(a1*f); ! O,Sq/ =.
b2=a1*(1-a2)*f/d2; K!]a +M]>
b1=(1-a1)*f/(d1*b2); ^M{,{bG
sUF9_W5z
%曲率半径 ` 78Bv>[A
|lt]9>|
R1=2*f/(b1*b2) q3AqU?f
R2=2*a1*f/(b2*(1+b1)) 6 <EGH*GQ$
R3=2*a1*a2*f/(1+b2) AdVc1v&>
7:,f|>
A1=b2^3*(a1-1)*(1+b1)^3; D"J',YN$
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; %x N${4)6
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; ~: {05W
/a'1 W/^2
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); J$Z=`=] t+
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); 3/>7b (
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); y~fKLIoz"
4vEP\E3u<j
CB=[C1 B1;C2 B2]; h Ta(^
AB=[A1 B1;A2 B2]; V\o7KF
AC=[A1 C1;A2 C2]; zw[' hqW
T ]\c2U
%二次系数 12a`,~
i|J %jA
k2=-(det(CB)/det(AB)); 4q E95THB
k3=-(det(AC)/det(AB)); @(Y!$><Is
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 @^xtxtjzux
k2=k2 VGmvfhf#"
k3=k3 <%HRs>4
,;_+o]
end
