%无中间像，焦距输入为负数 ;AjY-w
function sjr=nfdre(~) jgz}
O@Ro_sPG(
%系统焦距及各镜间距输入，间距取负正负 "$lE~d">
;$\?o
f=input('f:'); n.323tNY
d1=input('d1:'); OIqisQ7ZB
d2=input('d2:'); 0|D^_1W`R
d3=input('d3:'); d"P\ =`+
sv g`s,g
A=f^2/(d3*d2)-f/d1; vz[-8 m:f
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); Tx+Bkfj
C=d3/d2-f/d1; w,,QXJe{Z_
b,k%n_&n
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 2$fFl,v!z
a2=d3/(a1*f);%α2 =Fd !wkB'{
b2=a1*(1-a2)*f/d2;%β2 4Z& i\#Q
b1=(1-a1)*f/(d1*b2);%β1 5Dhpcgq<<
}:b6WN;c
|2YkZ nJn
%曲率半径 O]XdPH20
6c?;-5.
R1=2*f/(b1*b2) w6P Kr^
R2=2*a1*f/(b2*(1+b1)) YV6@SXy
R3=2*a1*a2*f/(1+b2) L$Uy
&V$qIvN$
A1=b2^3*(a1-1)*(1+b1)^3; _4#8o\
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; {x-iBg9#l2
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; s y ]k
Q?Y\WD
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); =)2sehU/
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); tiTJ.uz6
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); <3 b|Sk:T
7jj.maK
CB=[C1 B1;C2 B2]; <;O - N=
AB=[A1 B1;A2 B2]; HB>&} z0
AC=[A1 C1;A2 C2]; d~G, *
\A{ [2
%非球面系数 ,t2yw
k2=-(det(CB)/det(AB)); @scy v@5)F
k3=-(det(AC)/det(AB)); zK Y 9 'y
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^JV37;bl
k2=k2 >nqDUGnEo>
k3=k3 ^AI5SjOUx
dGN g[
end H*gX90{!2
w%3R[Kdzk
%有中间像，焦距输入为正数 rt _k }
2 SJ N;A~}
function sjr=yfdre(~) _3 pME9l
RF#S=X 6
f=input('f:'); (3_m[N\F
d1=input('d1:'); 'l&),]|$)
d2=input('d2:'); wW aJ%z>3y
d3=input('d3:'); JKXb$
RTL A*
A=f^2/(d3*d2)-f/d1; [!<W{ ($5
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); RRasX;zK
C=d3/d2-f/d1; pZ IDGy=~
k)a3j{{
a1=(-B-sqrt(B^2-4*A*C))/(2*A); iB1+4wa
a2=d3/(a1*f); &>YdX$8x
b2=a1*(1-a2)*f/d2; q#6K'=AC
b1=(1-a1)*f/(d1*b2); > U.f`24
>k)zd-
%曲率半径 BJL*Dih m[
)J"*[[e
R1=2*f/(b1*b2) /Cl=;^)
R2=2*a1*f/(b2*(1+b1)) ag7(nn0!
R3=2*a1*a2*f/(1+b2) Y\e8oIYu7
H[u[3
A1=b2^3*(a1-1)*(1+b1)^3; 0wA?.~ L
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; Q&@~<!t
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; 9iwSE(},
=8p *Ijs
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); [8h~:.d`
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); '1Z3MjX
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); X`+8r O [
f\zu7,GU
CB=[C1 B1;C2 B2]; 8 etNS~^
AB=[A1 B1;A2 B2]; }[2|86,G;
AC=[A1 C1;A2 C2]; Tp.t.Qic
G(*7hs
%二次系数 'A#bBn,|
%" C%p A
k2=-(det(CB)/det(AB)); 9P)28\4
k3=-(det(AC)/det(AB)); KJ LC 2,
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 rDEd MT
k2=k2 [3~mil3rO
k3=k3 ;LhNz ()b
U~}cib5W5
end
