%无中间像，焦距输入为负数 \<|a>{`7]i
function sjr=nfdre(~) ,]Yjo>`tW
K4SR` Q
%系统焦距及各镜间距输入，间距取负正负 hJ4==ILx
JfKhYRl
f=input('f:'); OdgfvHDgW
d1=input('d1:'); RyD2LAf)J
d2=input('d2:'); WhE5u&`
d3=input('d3:'); j)Kk:BFFY
7}Z.g9<
A=f^2/(d3*d2)-f/d1; Q nZR
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); $>' }6?C.
C=d3/d2-f/d1; Z] $yuM
%s$ _KG !&
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 \F,? ptu
a2=d3/(a1*f);%α2 nhk + 9
b2=a1*(1-a2)*f/d2;%β2 z QoMHFL3
b1=(1-a1)*f/(d1*b2);%β1 \ ^EjE
C JiMg'K
Bx
E1Ky8@A
%曲率半径 lO%Z4V_ Mj
[=e61Z
R1=2*f/(b1*b2) uI%h$
R2=2*a1*f/(b2*(1+b1)) ; 5my(J*b
R3=2*a1*a2*f/(1+b2) /.'1i4Xa1P
8v1asFxs.
A1=b2^3*(a1-1)*(1+b1)^3; cgYMo{R3
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; [HF)d#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; la)f\Nk
r-]R4#z>
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); C,]Q/6'>
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); Ul@ZCv+
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); 9foQ0#R
i/O!bq[o
CB=[C1 B1;C2 B2]; )%X\5]w`
AB=[A1 B1;A2 B2]; )~d2`1zGS
AC=[A1 C1;A2 C2]; C'n 9n!hR
3I:DL#f
%非球面系数 TW3:Y\ p
k2=-(det(CB)/det(AB)); PG<N\
k3=-(det(AC)/det(AB)); H=X>o.iVqi
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 VmBLNM?
k2=k2 V$q%=Sip
k3=k3 Y141Twjvd
$
}B"u;:SU
end 6J%SkuxR
68I4 MZK>4
%有中间像，焦距输入为正数 dUb(C1h
6ap,XFRMh
function sjr=yfdre(~) uO[4 WZ
k% In
f=input('f:'); M*c\ =(
d1=input('d1:'); L@a-"(TN+
d2=input('d2:'); "45BOw&72G
d3=input('d3:'); i":-g"d
M?nnpO
A=f^2/(d3*d2)-f/d1; GrM~ %ng
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); #Q'i/|g
C=d3/d2-f/d1; ~PlwPv Wo
MIR17%G
a1=(-B-sqrt(B^2-4*A*C))/(2*A); }ZYK 3F
a2=d3/(a1*f); 5 V?1/
b2=a1*(1-a2)*f/d2; oR-_=U^
b1=(1-a1)*f/(d1*b2); ,\=u(Y\I[
}FM<uBKW
%曲率半径 (O`=$e
u'32nf?
R1=2*f/(b1*b2) -3 W 4
R2=2*a1*f/(b2*(1+b1)) l }O` cC
R3=2*a1*a2*f/(1+b2) uxh4nyE
YRYrR|I
A1=b2^3*(a1-1)*(1+b1)^3; b7>; UX
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; 7# g C(&\A
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; er qm= )
ZV Gw@3
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); 6]rrj
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); h M8 G"b
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); Q'|cOQ X
U{ O\
CB=[C1 B1;C2 B2]; (g4g-"rc
AB=[A1 B1;A2 B2]; vfy- ;R(
AC=[A1 C1;A2 C2]; V_
]4UE
%^5$=w
%二次系数 3BSeZ:j7
3Q;^X(Ml*
k2=-(det(CB)/det(AB)); ]&r/ H17
k3=-(det(AC)/det(AB)); ($cu!$lY~
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 F2:7UNy,
k2=k2 n ` n3[
k3=k3 +s S*EvF
tNU cmiY
end
