%无中间像，焦距输入为负数 ~B? Wg!
function sjr=nfdre(~) ^ SW9J^9
wp5H|ctl
%系统焦距及各镜间距输入，间距取负正负 2?v }w<Ydl
XHOS"o$ y
f=input('f:'); BjA$^ i|8
d1=input('d1:'); #&fu"W+D96
d2=input('d2:'); @,-D
P41g
d3=input('d3:'); VE1j2=3+o
8j := D!S
A=f^2/(d3*d2)-f/d1; z.?slYe[
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); @A<~bod
C=d3/d2-f/d1; ^dsj1#3z
EJQT\c
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 I_ kA!^
a2=d3/(a1*f);%α2 L GVy4D
b2=a1*(1-a2)*f/d2;%β2 %Pj}
b1=(1-a1)*f/(d1*b2);%β1 Zb|a\z8 ?
, nGQVb
^]~!:Ej0
%曲率半径 ET 0(/Zz
jA[")RVG
R1=2*f/(b1*b2) Zm7, O8
R2=2*a1*f/(b2*(1+b1)) g5u4|+70
R3=2*a1*a2*f/(1+b2) D*?LcxX
JNJ6HyCU
A1=b2^3*(a1-1)*(1+b1)^3; mEkYT
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; }$r]\v
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; 4HX;9HPHE<
=dQ/^C_hj
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); hE$3l+
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); x 25zk4-
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); Df:/r%
zK{ }
CB=[C1 B1;C2 B2]; Zy8tI#
AB=[A1 B1;A2 B2]; <h}x7y?
AC=[A1 C1;A2 C2]; mZmE E2h
s.n:;8RibP
%非球面系数 `&xdS H
k2=-(det(CB)/det(AB)); +Ar4X -A{y
k3=-(det(AC)/det(AB)); @Y>PtA&w*
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 n2Mpo\2
k2=k2 }gB^C3b6
k3=k3 %y*'bS
$b2~H+u(
end V0&7 MY *
Y6d~hL C
%有中间像，焦距输入为正数 LnN:;h
$#3[Z; \
function sjr=yfdre(~) H{Lt,#
7Kb&BF|Q
f=input('f:'); w"#rwV &
d1=input('d1:'); -S&9"=v
d2=input('d2:'); _# +l?\u
d3=input('d3:'); |W@Ko%om
wL^x9O|`p9
A=f^2/(d3*d2)-f/d1; C dPQhv)m
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); 0uPcEpIA
C=d3/d2-f/d1; @
'N $5
SW+;%+ `
a1=(-B-sqrt(B^2-4*A*C))/(2*A); p9mGiK4!
a2=d3/(a1*f); & 0:Gj3`
b2=a1*(1-a2)*f/d2; UvB\kIH
b1=(1-a1)*f/(d1*b2); >i.$s
dLwP7#r
%曲率半径 (n jTS+?
pv&iJ7RN
R1=2*f/(b1*b2) #F2DEo^0
R2=2*a1*f/(b2*(1+b1)) QZa^ Cng~
R3=2*a1*a2*f/(1+b2) d(R8^v/L
h4MBw=Tz~
A1=b2^3*(a1-1)*(1+b1)^3; @~N"MsF3
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; )1R[X!KQ7
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; I,,SR"
A )CsF
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); X*d!A
>s
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); :?m"kh
~
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); Eb 63O
WX _g
CB=[C1 B1;C2 B2]; "{H{-`Ni
AB=[A1 B1;A2 B2]; Yl$ @/xAa
AC=[A1 C1;A2 C2]; 1p& =tN
>r,z^]-
%二次系数 m39.j :BG5
W$J.B!O
k2=-(det(CB)/det(AB)); KV9~L`=]i
k3=-(det(AC)/det(AB)); a>,_o(]cW
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 /Dt:4{aTOC
k2=k2 [Fk |m1i!
k3=k3 >TawJ"q-6R
u(? U[pe[
end
