%无中间像，焦距输入为负数 _I8-0DnOM
function sjr=nfdre(~) F n[~5/
s &.Z;X
%系统焦距及各镜间距输入，间距取负正负 qL'3MY.!
0I#<-9&d-
f=input('f:'); 8vT:icl
d1=input('d1:'); r p @=
d2=input('d2:'); #5H@/o8!s=
d3=input('d3:'); ;JZXS M-3
D>|:f-Z6Z
A=f^2/(d3*d2)-f/d1; PN'8"8`{
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); &a|oJ'clz
C=d3/d2-f/d1; #-@{ rgH
{'b8;x8h
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 SHGO;
a2=d3/(a1*f);%α2 K[ \z'9 Q
b2=a1*(1-a2)*f/d2;%β2 kqyMrZ#
b1=(1-a1)*f/(d1*b2);%β1 |SxE J
kEXcE F_9P
" (xS[i
%曲率半径 9 V"j=1B}
m i-\PD>X
R1=2*f/(b1*b2) "~[ Rwh?
R2=2*a1*f/(b2*(1+b1)) Qb|dp~K.M
R3=2*a1*a2*f/(1+b2) c3}}cFe
sbs"26IE
A1=b2^3*(a1-1)*(1+b1)^3; S1+#qs {5a
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; i]YQq ! B
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; b9Y pUm7#
}Sh-4:-D
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); 2Z97 Tq
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); tS9m8(Hr%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); $` o A$E3
srSTQ\l4
CB=[C1 B1;C2 B2]; 1]<!Xuk^f
AB=[A1 B1;A2 B2]; B.WJ6.DkS
AC=[A1 C1;A2 C2]; {c1qC z M4
oF>GWst TR
%非球面系数 q-RGplx
k2=-(det(CB)/det(AB)); %*gO<U4L]
k3=-(det(AC)/det(AB)); zm"\D
vN)
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 [yyV`&
k2=k2 vr vzV
k3=k3 68)^i"DM<
3K{8sFDO
end &Ch )SD
9=o
b:
%有中间像，焦距输入为正数 7^iAc6QSy3
l<HR D
function sjr=yfdre(~) '
EDi6
b1#=q 0Zl
f=input('f:'); $"i690
d1=input('d1:'); K+}Z6 _:
d2=input('d2:'); toWmm(7v
d3=input('d3:'); saT9%?4-
n=&c5!
A=f^2/(d3*d2)-f/d1; [v`4OQ F/
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); cD x^}N!
C=d3/d2-f/d1; :9#`| #uh
|W <:rT
a1=(-B-sqrt(B^2-4*A*C))/(2*A); zfZDtKq
a2=d3/(a1*f); n1t(ns|
b2=a1*(1-a2)*f/d2; ypd?mw&1}
b1=(1-a1)*f/(d1*b2); !BX62j\?
3wE8y&
%曲率半径 `#f=&S?k
=l(JJ
R1=2*f/(b1*b2) cOb%SC[A{
R2=2*a1*f/(b2*(1+b1)) c{Kl?0#[
R3=2*a1*a2*f/(1+b2) eTc`FXw`
E8i:ER $$7
A1=b2^3*(a1-1)*(1+b1)^3; Wa(S20y F
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; CwvNxH#LVu
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; =#tQIhX`
kut|A
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); TJpv"V
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2);
u\xm8}A
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.1ohj0)
X 2[cR;;'
CB=[C1 B1;C2 B2]; f
99PwE(=
AB=[A1 B1;A2 B2]; F4Uk+|]Bu
AC=[A1 C1;A2 C2]; {wP|b@(1t
As|/
O7%
%二次系数 Z-| C{1}A
.LhmYbQ2WE
k2=-(det(CB)/det(AB)); }^[@m#
k3=-(det(AC)/det(AB)); CK(ev*@\D,
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 L_mqC(vn
k2=k2 2-0cB$W+
k3=k3 }NCvaO
?vFh)U
end
