%无中间像，焦距输入为负数 r4<As` &
function sjr=nfdre(~) :X:s'I4J
D
L=fy!R
%系统焦距及各镜间距输入，间距取负正负 9JX@c k
U| ?68B3
f=input('f:'); Xfbr;Jt"<
d1=input('d1:'); Fn I}N;"
d2=input('d2:'); oE6`]^^
d3=input('d3:'); bC98<if
t0r0{:
A=f^2/(d3*d2)-f/d1; =f [/Pv
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); wwQ2\2w>Hm
C=d3/d2-f/d1; X Q
CE`m
@vXXf/
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 "6U@e0ht
a2=d3/(a1*f);%α2 l9OpaOVfJ
b2=a1*(1-a2)*f/d2;%β2 ;yy R_N S
b1=(1-a1)*f/(d1*b2);%β1 DVMdRfA
,zr,>^ v
r :$*pC&{
%曲率半径 !]Qk?T~9-
MkjB4:"
R1=2*f/(b1*b2) ]$ Nhy8-
R2=2*a1*f/(b2*(1+b1)) kFY2VPP~
R3=2*a1*a2*f/(1+b2) uv8k ea .(
HFTeG4R
A1=b2^3*(a1-1)*(1+b1)^3; \8m9^Z7IfK
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; "Nb2[R
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; NZ&ZK@h}.
C.":2F;-e
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); kB=B?V~ #
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); jkta]#O
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); Otx>S' 5
N*6~$zl&
CB=[C1 B1;C2 B2]; FG+pR8aA$
AB=[A1 B1;A2 B2]; ujkWVE'
AC=[A1 C1;A2 C2]; WagL8BpLx
` OgT"FdL!
%非球面系数 1?^
P=^8
k2=-(det(CB)/det(AB)); Lu:*nJ%1[
k3=-(det(AC)/det(AB)); [KHl ApL
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 !iNwJ|0
k2=k2 ]!P8 {xmb@
k3=k3 ks6iy}f7
>5Lp;
end ~@ P D\
F[%k ;aJ
%有中间像，焦距输入为正数 |<,0*2
[>pBz3fn,
function sjr=yfdre(~) r-xP 6
v qQ )Pu?T
f=input('f:'); J?X{NARt
d1=input('d1:'); u/S> *E
d2=input('d2:'); Ab/JCZNn
d3=input('d3:'); H~ vrCi~t"
$RRX-
A=f^2/(d3*d2)-f/d1; 3@ Fa
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); <)~- ]
C=d3/d2-f/d1; \xl$z *zI
f.^|2T I1g
a1=(-B-sqrt(B^2-4*A*C))/(2*A); ^,^MW
a2=d3/(a1*f); 3 h=kn@I
b2=a1*(1-a2)*f/d2; M&29J
b1=(1-a1)*f/(d1*b2); pg7~%E4
y9R%%i
%曲率半径 w:deQ:k
Fp@> (M#3
R1=2*f/(b1*b2) o8 <~zeI
R2=2*a1*f/(b2*(1+b1)) {5X,xdzR
R3=2*a1*a2*f/(1+b2) R -NM ~gp
Cm% I/4
A1=b2^3*(a1-1)*(1+b1)^3; R6fkc^
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; Z:N;>.3i
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; Lp(`m=;O
=j- ,yxBvJ
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); \ HUDZ2 s
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); W]7<PL*u
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); =JfwHFHd#
;Bz| hB{
CB=[C1 B1;C2 B2]; yn]Sc<uK
AB=[A1 B1;A2 B2]; j|Vl\Z&o)
AC=[A1 C1;A2 C2]; &u O-h
SZ[?2z
%二次系数 [Z:P{yr
-`\^_nVC
k2=-(det(CB)/det(AB)); #'> )?]tn
k3=-(det(AC)/det(AB)); E8#aE\'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 ~>9G\/u j
k2=k2 9,_~qWw
k3=k3 I) ` +:+P
62'9lriQ
end
