%无中间像，焦距输入为负数 DS)RX.k_#
function sjr=nfdre(~) {>F7CT'G6
3.qTLga|}
%系统焦距及各镜间距输入，间距取负正负 *Q, 0W:~-
7R\oj8[
f=input('f:'); .<Zy|1
4
d1=input('d1:'); =X.9,$Y
d2=input('d2:'); _~ T !9
d3=input('d3:'); >>5NX"{
k bMYMx.[
A=f^2/(d3*d2)-f/d1; ;]pJj6J&v
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); t 8dm)s[r8
C=d3/d2-f/d1; PZ*pQ=`
a(0*u m(
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 z5r$M
a2=d3/(a1*f);%α2 $t6e2=7
b2=a1*(1-a2)*f/d2;%β2 iySRY^
b1=(1-a1)*f/(d1*b2);%β1 dx+hhg \L
UNkC L4N
7=DjI ~
%曲率半径 ruazOmnn~
LH@j8YB5u
R1=2*f/(b1*b2) !H}vu]R
R2=2*a1*f/(b2*(1+b1)) R@`y>X GNJ
R3=2*a1*a2*f/(1+b2) <Ce2r"U1e
)-`;1ca)s
A1=b2^3*(a1-1)*(1+b1)^3; HdPo O;
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; N+ y&,N,
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; ^) W[l!!<)
cwL1/DGDB
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); PgRDKygE
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); INyk3 `FT
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); y})70w@ +_
\}
^E`b
CB=[C1 B1;C2 B2]; .k0~Vh2u
AB=[A1 B1;A2 B2]; eR3$i)5
AC=[A1 C1;A2 C2]; Jyqc2IH
|H! 9fZO
%非球面系数 ^J\~XYg{7
k2=-(det(CB)/det(AB)); mI>,.&eo
k3=-(det(AC)/det(AB)); W< E47
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 FTeu~<KpM
k2=k2 ]C:l,I
k3=k3 ]hbyELs
Y
"VY%S^
end tT79 p.z B
izx#3u$P
%有中间像，焦距输入为正数 Y p:KI7
jvQ*t_L
function sjr=yfdre(~) ]7/
b/J
Bdu&V*0g
f=input('f:'); //4Xq8y
d1=input('d1:'); u3o#{~E/#
d2=input('d2:'); FSRj4e1y1
d3=input('d3:'); PtTH PAKj
E]6z8j uO6
A=f^2/(d3*d2)-f/d1; A+UU~?3y
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); jr`Es s
C=d3/d2-f/d1; 6 HlePTf8
Usta0Ag
a1=(-B-sqrt(B^2-4*A*C))/(2*A); d`(@_czdF
a2=d3/(a1*f); ?Oc{bF7
b2=a1*(1-a2)*f/d2; 3dDX8M?
b1=(1-a1)*f/(d1*b2); %:2+
o'
>N.]|\V
%曲率半径 EKz Ad
E~ a3r]V/
R1=2*f/(b1*b2) jH6&q~#
R2=2*a1*f/(b2*(1+b1)) +EAT:,
R3=2*a1*a2*f/(1+b2) d` [HT ``
ku..a G`
A1=b2^3*(a1-1)*(1+b1)^3; q`G, L(
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; ]7Z{ 8)T
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; LvEnX S
B)QHM+[= F
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); > z^#
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); {b@KYR9K
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); CQpCS_M
-<_Ww\%8M
CB=[C1 B1;C2 B2]; IO/4.m-aN#
AB=[A1 B1;A2 B2]; W y%s1iu
AC=[A1 C1;A2 C2]; L B.co4
%G?;!Lz
%二次系数 &< !U fa&
JXj8Br?Z@
k2=-(det(CB)/det(AB)); ymNn kFv
k3=-(det(AC)/det(AB)); _fwb!T}$
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 36n>jS&
k2=k2 .&x}NYX4
k3=k3 ,<Q~b%(3
A Z{^o4<q
end
