%无中间像，焦距输入为负数 _+Tq&,_:o
function sjr=nfdre(~) EGpN @
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%系统焦距及各镜间距输入，间距取负正负 r:pS[f|4\
XG_h\NIL
f=input('f:'); L&h@`NPO a
d1=input('d1:'); dxHKXw
d2=input('d2:'); 1eQfc{[g
d3=input('d3:'); u\-WArntc
aY`qb Jy
A=f^2/(d3*d2)-f/d1; .U}"ONd9e
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); ;MRK*sfw{
C=d3/d2-f/d1; cHqT1EY
'dJ#NT25
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 t~_j+k0K#
a2=d3/(a1*f);%α2 Tx+!D '>
b2=a1*(1-a2)*f/d2;%β2 ^G :}%4
b1=(1-a1)*f/(d1*b2);%β1 ^n! j"
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3B *b d
%曲率半径 KmF" Ccc
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R1=2*f/(b1*b2) t<8vgdD
R2=2*a1*f/(b2*(1+b1)) 4I"%GN[tA
R3=2*a1*a2*f/(1+b2) :mP%qG9U
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A1=b2^3*(a1-1)*(1+b1)^3; f3r\X
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; %@C(H%obWd
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; 9Yu63s ia
y $i^C: N
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); j:|um&`)
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); 1P8XVI'
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); 18`Y Y\u(
n8h1S lK08
CB=[C1 B1;C2 B2]; +#* F"k(
AB=[A1 B1;A2 B2]; r'|V z*/h
AC=[A1 C1;A2 C2]; U%.%:'eV=
'YQVf]4P
%非球面系数 PhUG}94
k2=-(det(CB)/det(AB)); TRLz> m Q
k3=-(det(AC)/det(AB)); ,K/ l;M5I
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 K)ZW1d;
k2=k2 o7 :~C]
k3=k3 ]81t~t9LQ
;)n kY6-
end +,;"?j6<p
c:*[HO\
%有中间像，焦距输入为正数 T [? wbYfW
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function sjr=yfdre(~) ON, sN
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f=input('f:'); c+BD37S
d1=input('d1:'); E O.Se9ux
d2=input('d2:'); g4eEkG`XTS
d3=input('d3:'); T<o^f
n,H
i`nmA-Zj[
A=f^2/(d3*d2)-f/d1; E =*82Y=B
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); -RLY.@'d-M
C=d3/d2-f/d1; V
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w}20l F
a1=(-B-sqrt(B^2-4*A*C))/(2*A); `j#zwgUs
a2=d3/(a1*f); ^uWPbW&/q
b2=a1*(1-a2)*f/d2; @p$Nw.{'
b1=(1-a1)*f/(d1*b2); o [
Je
m{v*\e7 P
%曲率半径 g)3HVAT
9V'ok.B.x
R1=2*f/(b1*b2) mRurGaR
R2=2*a1*f/(b2*(1+b1)) |>Ld'\i8
R3=2*a1*a2*f/(1+b2) *dAQ{E(rO
2\4ammwT
A1=b2^3*(a1-1)*(1+b1)^3; ?DGe}?pX
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; '!hA!eo>J
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; Sux/= '
gTM*td(~^
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); }O + a
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); 74w Df
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); ?5IF;vk
gh?3 [q6
CB=[C1 B1;C2 B2]; \PzJ66DL!
AB=[A1 B1;A2 B2]; '5)PYjMnH
AC=[A1 C1;A2 C2]; )K}-z+$)k
X7~^D [ X
%二次系数 XsEo tW
[ yhK4A
k2=-(det(CB)/det(AB)); FUO 9jX
k3=-(det(AC)/det(AB)); j&N {j_ M
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 d :vuRK4+
k2=k2 c:[8ng 2v
k3=k3 #FhgKwx
/'l"Us},^!
end
