%无中间像，焦距输入为负数 %)1y AdG
8
function sjr=nfdre(~) 9jM}~ XvV
C5o#i*|
%系统焦距及各镜间距输入，间距取负正负 'jWr<]3
*4\:8
f=input('f:'); xF!,IKlBBp
d1=input('d1:'); LBYMCY
d2=input('d2:'); +r2+X:#~T
d3=input('d3:'); f6hnTbJ
d,k!qjf=r
A=f^2/(d3*d2)-f/d1; (ZUHvvL
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); lXW%FH6c+
C=d3/d2-f/d1; gb[5&> (#
6 m }Ev95
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 {$0mwAOH "
a2=d3/(a1*f);%α2 %O|iE M
b2=a1*(1-a2)*f/d2;%β2 C0T;![/4 A
b1=(1-a1)*f/(d1*b2);%β1 Ni9/}bb
1m4$ p2j
5-:?&|JK;
%曲率半径 -_=nDH
f,U.7E
R1=2*f/(b1*b2) \V;F/Zy(
R2=2*a1*f/(b2*(1+b1)) ZgTW.<.%2
R3=2*a1*a2*f/(1+b2) ` Fa~
$*^7iT4q_t
A1=b2^3*(a1-1)*(1+b1)^3; ]E5o 1eeg
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; D+TD 95t
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; 03$mYS_?
`V}q-Z dy
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); g];!&R-
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); p $S*dr
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); l!D}3jD
5'OrHk;u
CB=[C1 B1;C2 B2]; c[0}AG J
AB=[A1 B1;A2 B2]; Z@4Ar fl
AC=[A1 C1;A2 C2];
Vr3Zu{&2
lU8l}Ndz"
%非球面系数 =x/X:; )>
k2=-(det(CB)/det(AB)); g9
.Q< JwO
k3=-(det(AC)/det(AB)); \j$&DCv
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 8SMxw~9$
k2=k2 T^zXt?
k3=k3 X]ipI$'+C
/:cd\A}
end /2&c$9=1
9SX +
%有中间像，焦距输入为正数 #|uCgdi
\[;0 KV_
function sjr=yfdre(~) O %\*@4zM
n GC/R&
f=input('f:'); \;,_S+Fz8
d1=input('d1:'); pIc#L>{E
d2=input('d2:'); 3/P1!:g9
d3=input('d3:'); /4y o `
(Lb bc+1m
A=f^2/(d3*d2)-f/d1; &sl0W-;0
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); ]=\].% >
C=d3/d2-f/d1; GV1pn) 4
lt/1f{v[:
a1=(-B-sqrt(B^2-4*A*C))/(2*A); #NQMy:JHD)
a2=d3/(a1*f); (^ J I%>
b2=a1*(1-a2)*f/d2; Pd8![Z3
b1=(1-a1)*f/(d1*b2); B`EJb71^Xy
x[cL
Bc<
%曲率半径 A[B<~
kXViWOXU^
R1=2*f/(b1*b2) QFA 8 N
R2=2*a1*f/(b2*(1+b1)) :a!^
R3=2*a1*a2*f/(1+b2) pJ>P[
49eD1h3'X[
A1=b2^3*(a1-1)*(1+b1)^3; xw.A #Zb\_
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; aEB_#1
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; zOJ% }
\P[Y`LYL
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); Kf3"Wf^q
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); & w\{TZ{
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); Lw1Yvtn
<]ox;-56
CB=[C1 B1;C2 B2]; wH*-(*N "
AB=[A1 B1;A2 B2]; d z|or9&
AC=[A1 C1;A2 C2]; BT !^~S%w
1Yq! ~ 8
%二次系数 b 1c y$I
9i:L&dN
k2=-(det(CB)/det(AB)); F~-(:7j
k3=-(det(AC)/det(AB)); @@f"%2ZR[
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 e1yt9@k,
k2=k2 +L $X v
k3=k3 KR} ?H#%
/'SNw?&
end
