%无中间像，焦距输入为负数 U bY EEY#
function sjr=nfdre(~) ?r2 #.W
aBzszp]l+
%系统焦距及各镜间距输入，间距取负正负 P(a.iu5
*;XWLd#
f=input('f:'); n\ Hs@.
d1=input('d1:'); > MH(0+B*
d2=input('d2:'); A?*o0I
d3=input('d3:'); ZY56\qcY
)=DGdI Et
A=f^2/(d3*d2)-f/d1; HQ9X7[3
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); )H}#A#ovj7
C=d3/d2-f/d1; ]0r|_)s
YQ0)5 }
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 W8g' lqc|
a2=d3/(a1*f);%α2 S{K0.<,E
b2=a1*(1-a2)*f/d2;%β2 \` w4|T
b1=(1-a1)*f/(d1*b2);%β1 c ) 7j QA
wP/ A^Rs
99EXo+g
%曲率半径 jp+_@S>
K]x a/G(
R1=2*f/(b1*b2) vs j3
R2=2*a1*f/(b2*(1+b1)) ,]5Ic.};p
R3=2*a1*a2*f/(1+b2) zT ZVehEe
>5
b/or
A1=b2^3*(a1-1)*(1+b1)^3; Y+qQI MZ
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; .6~`Ubr}E
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; OD=!&LM
m~'? /!!
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); _Zc%z@}
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); tV/Z)fpyH
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); CD0VfA>Z
T%Pp*1/m7
CB=[C1 B1;C2 B2]; 9GdB#k6W`
AB=[A1 B1;A2 B2]; )J(q49
AC=[A1 C1;A2 C2]; auWXgkwZs/
]P[%Mhg^
%非球面系数 yE} dj)wd
k2=-(det(CB)/det(AB)); %/.a ]j!
k3=-(det(AC)/det(AB)); ^ JR;epVJ
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 /b;K
k2=k2 PNeh#PI 6)
k3=k3 \ x >65;
X _$a,"'~)
end eb|i 3.
w-$[>R[hw
%有中间像，焦距输入为正数 G9g6.8*&
+([!A6:
function sjr=yfdre(~) +!0eu>~_&
s4H2/EC
f=input('f:'); j 6ut}Uq
d1=input('d1:'); l =I eJh
d2=input('d2:'); e &9F\e
d3=input('d3:'); ZlKw_Sq:
FP"$tt (
A=f^2/(d3*d2)-f/d1; ;PyZ?Z;
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); gX5&d\y
C=d3/d2-f/d1; n +1y
X%9*O[6{
a1=(-B-sqrt(B^2-4*A*C))/(2*A); <a le $[
a2=d3/(a1*f); r gcWRt
b2=a1*(1-a2)*f/d2; M* pRv
b1=(1-a1)*f/(d1*b2); :1 )DqoAJ
+[ . Yy
%曲率半径 `3q;~ 9
T{vR,
R1=2*f/(b1*b2) =wq;@' U
R2=2*a1*f/(b2*(1+b1)) 'YSuQP>
R3=2*a1*a2*f/(1+b2) PKq-@F%X
_U)%kY8
A1=b2^3*(a1-1)*(1+b1)^3; v$w++3H
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; "zZI S6j
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; KbxR
Lx]w
H' J| U|
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); o'%e I
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); 7k =fZ$+O
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); Z$ KV&.=+
s* j fMY
CB=[C1 B1;C2 B2]; ;Pb8YvG1$
AB=[A1 B1;A2 B2]; F#+ .>!
AC=[A1 C1;A2 C2]; /2NSZO
B>TSdn={>
%二次系数 DHfB@/q#
u2sR.%2U<
k2=-(det(CB)/det(AB)); /owO@~G
k3=-(det(AC)/det(AB)); v i {uy
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 19d6]pJ5
k2=k2 q9} m!*8e
k3=k3 v@u<Ww;=@
K3p@$3hQ
end
