%无中间像，焦距输入为负数 N d].(_
function sjr=nfdre(~) Q;]JVT1
2 ? qC8eC
%系统焦距及各镜间距输入，间距取负正负 gJQ#j~'
mtmC,jnD
f=input('f:'); )9hqd
d1=input('d1:'); fz(YP=@ZnP
d2=input('d2:');
?9`j1[0
d3=input('d3:'); C?\(?%B
I RN,=
A=f^2/(d3*d2)-f/d1; S(gr>eC5
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); |X t.[1
C=d3/d2-f/d1; 5W&L6.J}+
Rl Oy,/-<
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 fx;rMGa
a2=d3/(a1*f);%α2 W'C>Fn}lO?
b2=a1*(1-a2)*f/d2;%β2 2l T t
b1=(1-a1)*f/(d1*b2);%β1 q`9.@u@ a
_4by3?<c
q3x"9i
`
%曲率半径
7kLu rv
S2$66xr#
R1=2*f/(b1*b2) P T;{U<5
R2=2*a1*f/(b2*(1+b1)) 1#vu)a1+b
R3=2*a1*a2*f/(1+b2) if*V-$[I
)]fsl_Y q
A1=b2^3*(a1-1)*(1+b1)^3; /HdXJL9B
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; JWNN5#=fQ
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; QLJ \>
" .7@
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); ]3 "0#Y
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); %p 6 Ms
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); A %^?z.
*j3 U+H V
CB=[C1 B1;C2 B2]; jr` swyg
AB=[A1 B1;A2 B2]; f Fi=/}
AC=[A1 C1;A2 C2]; tK3$, 9+
" 9;
%非球面系数 j,OA>{-$
k2=-(det(CB)/det(AB)); *$A`+D9
k3=-(det(AC)/det(AB)); Zz0er|9]Q
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 |Yl i~Qx
k2=k2 K*:=d }^
k3=k3 sPNm .W$_
/nO_ e
end e| t x`yA
F$UL.`X
_/
%有中间像，焦距输入为正数 I#OZ:g^
D"4*l5l
function sjr=yfdre(~) f&vMv .
L(3&,!@
f=input('f:'); 3eUi9_s+
d1=input('d1:'); a4s't%
P
d2=input('d2:'); cxR.:LD}
d3=input('d3:'); ef'kG"1
H,D5 )1Uu
A=f^2/(d3*d2)-f/d1; Qb
{[xmc
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); 7&id (&y/
C=d3/d2-f/d1; }XUL\6 U
;MQl.?vj
a1=(-B-sqrt(B^2-4*A*C))/(2*A); "}X+vd``
a2=d3/(a1*f); +
E{[j
b2=a1*(1-a2)*f/d2; >~,~X9
b1=(1-a1)*f/(d1*b2); F > rr.
F:jNv3W 1
%曲率半径 ? l~qb]._
(VO' Kd
R1=2*f/(b1*b2) _OGv2r
R2=2*a1*f/(b2*(1+b1)) |M? s[}ll
R3=2*a1*a2*f/(1+b2) ?GX@&_
6 |=]i-8
A1=b2^3*(a1-1)*(1+b1)^3; ^P,Pj z
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; @G;9eh0$
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; T`^Jw s{;7
`\@n&y[`7
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); @v`.^L{P
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); * K$ U[$s
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); |cd "cx+
Yz;7g8HI
CB=[C1 B1;C2 B2]; P<>NV4
AB=[A1 B1;A2 B2]; uG -+&MU?
AC=[A1 C1;A2 C2]; `a52{Wa
zsuqRM
"
%二次系数 b"\lF1Nf&o
GLIY !BU<C
k2=-(det(CB)/det(AB)); 5BA:^4zr?
k3=-(det(AC)/det(AB)); i=/hLE8T*
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 ;'Hu75 ymo
k2=k2 bj`GGxzOb
k3=k3 Hya.OW{
8d$|JN;)
end
