%无中间像，焦距输入为负数 @B9O*x+n:
function sjr=nfdre(~) <Gj]XAoe%
fRK=y+gl@
%系统焦距及各镜间距输入，间距取负正负 @ S)p{T5G
<tgfbY^nL
f=input('f:'); 1k!$#1d<
d1=input('d1:'); D:0?u_[W
d2=input('d2:'); ge|Cv v
d3=input('d3:'); Vo (>K34
![ @i+hl
A=f^2/(d3*d2)-f/d1; q85 4k+C
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); 3B5 `Y
C=d3/d2-f/d1; Z> <,t~o}
R47tg&k6[
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 /E^j}H{
a2=d3/(a1*f);%α2 m+3 ]RIr&A
b2=a1*(1-a2)*f/d2;%β2 HE@P<
b1=(1-a1)*f/(d1*b2);%β1 =VGRM#+D
PMZ*ECIJU
bo[[<j!"I
%曲率半径 `P jS
|vY|jaV }
R1=2*f/(b1*b2) C
j:
R2=2*a1*f/(b2*(1+b1)) :Fdk`aC
R3=2*a1*a2*f/(1+b2) "O<TNSbrC
d=/a{lP\
A1=b2^3*(a1-1)*(1+b1)^3; #C +7~ns'
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; !yu-MpeG
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; e_dsBmT h
nmoC(| r
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); q(Zu;ecBN
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); k (dNHT
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); FB
n . 4
~QU\ kZ7Z
CB=[C1 B1;C2 B2]; }0 =gP?.kE
AB=[A1 B1;A2 B2]; oB% j3aAH
AC=[A1 C1;A2 C2]; .83z =
EHda
%非球面系数 2o1 RJk9
k2=-(det(CB)/det(AB)); M [6WcH0/T
k3=-(det(AC)/det(AB)); !CLL{\F
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 tNYCyw{K
k2=k2 >/7[HhBT
k3=k3 85# +_}#
&NK6U
end g&O!w!T
4n/CS AT1
%有中间像，焦距输入为正数 o_?A^ u
M~-jPY,+
function sjr=yfdre(~) ;xjw'%n,
*7K)J8kq
f=input('f:'); gF&H JF 0x
d1=input('d1:'); H~~>ut6`
d2=input('d2:'); e`;U9Z
d3=input('d3:'); e!
0Y`lQ
#RP7?yGM,
A=f^2/(d3*d2)-f/d1; -_fh=}.n+"
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); B8 R&Q8Q
C=d3/d2-f/d1; Jl{g"N{2u'
fe7 DS)U
a1=(-B-sqrt(B^2-4*A*C))/(2*A); ]`\~(*;[W9
a2=d3/(a1*f); #& &
b2=a1*(1-a2)*f/d2; d5 U +]g
b1=(1-a1)*f/(d1*b2); F/U38[
eG% Q
3 h
%曲率半径 ;(;{~1~
="s>lI-1a
R1=2*f/(b1*b2) #i| AE`
R2=2*a1*f/(b2*(1+b1)) e18}`<tW-
R3=2*a1*a2*f/(1+b2) FWuk@t[<O
*!L
it:H
A1=b2^3*(a1-1)*(1+b1)^3; k>!A~gfP~
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; P~u~`eH*
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; a'YK1QX
{KM5pK?,BJ
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); _rfGn,@BH
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); ( 2i {8
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); I] 0
D*z
~\[\S!"
CB=[C1 B1;C2 B2]; Q5/BEUkC
AB=[A1 B1;A2 B2]; T |ZJ$E0
AC=[A1 C1;A2 C2]; {%XDr,myd
Ib0@,y S[
%二次系数 992cy2,Fb
KU)~p"0[6]
k2=-(det(CB)/det(AB)); TW~9<c
k3=-(det(AC)/det(AB)); Qj(|uGqm3
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 <#No t 1R
k2=k2 FdM xw*}
k3=k3 ! F~*Q2PZ9
_J -3{a
end
