%无中间像，焦距输入为负数 m8j Q~OS
function sjr=nfdre(~) mB\)Q J.%
wOMrUWB0
%系统焦距及各镜间距输入，间距取负正负 ol[sX=5 *
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A
f=input('f:'); h+\+9^l6|
d1=input('d1:'); :D|5E>o(
d2=input('d2:'); +6zW(Ql/
d3=input('d3:'); Ux/| D_rlf
s'7PHP)LOJ
A=f^2/(d3*d2)-f/d1; c*m 7'\
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); ,H)v+lI
C=d3/d2-f/d1; xmM!SY >
m}-* B1
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 /VmtQ{KTt+
a2=d3/(a1*f);%α2 0I v(ioB=
b2=a1*(1-a2)*f/d2;%β2 *+ i1m `6Q
b1=(1-a1)*f/(d1*b2);%β1 MQ#nP_i
yv;KKQ
74w Df
%曲率半径 mi';96
B,5kG{ 2!
R1=2*f/(b1*b2) {`ghX%M(l
R2=2*a1*f/(b2*(1+b1)) 4\_~B{kzZ
R3=2*a1*a2*f/(1+b2) {}n]\zO %
f 0|wN\
A1=b2^3*(a1-1)*(1+b1)^3; +QW | 8b
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; R/WbcQ)
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; ke)}J U^"
{i^F4A@=Z
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); " *bP @W
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); 3 a\De(;
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); e0$.|+
Dq~ \U&U\$
CB=[C1 B1;C2 B2]; sd5)We
AB=[A1 B1;A2 B2]; W]W[oTJ5
AC=[A1 C1;A2 C2]; +:_;K_h
FK H _o
%非球面系数 RxYC]R^78
k2=-(det(CB)/det(AB)); W%wc@.P
k3=-(det(AC)/det(AB)); vf@toYc[E
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 "?M)2,:A
k2=k2 Y6E0-bL@Fe
k3=k3 V<i_YLYmJe
]:r(U5 #
end wVmQ E
@$| 8zPs
%有中间像，焦距输入为正数 UrmnHc>}c
edL sn>\*#
function sjr=yfdre(~) R xA:>yOPn
rU
|%
f=input('f:'); VZ]}9k
d1=input('d1:'); !"LFeqI$lr
d2=input('d2:'); +Ym #!"
d3=input('d3:'); ^4~?]5Y\
-y'tz,En.
A=f^2/(d3*d2)-f/d1; bs_< UE
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2);
WjsmLb:5
C=d3/d2-f/d1; s>I~%+V.?:
UZ;FrQ(l{
a1=(-B-sqrt(B^2-4*A*C))/(2*A); )agrx76]3w
a2=d3/(a1*f); :I2spBx
b2=a1*(1-a2)*f/d2; j%)@f0Ng
b1=(1-a1)*f/(d1*b2); 2@Zw #2|]
RDOV+2K
%曲率半径 ~[Z(6yX
Se.qft?D%(
R1=2*f/(b1*b2) _/ NPX DL
R2=2*a1*f/(b2*(1+b1)) ?BR Z ){)
R3=2*a1*a2*f/(1+b2) .1f!w!ltVR
j GUegeq
A1=b2^3*(a1-1)*(1+b1)^3; @ek8t2??x
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; m>^vr7
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,Ost
k{
$,FQ4
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); ]zz%gZz
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); KP_7 h/e
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); DFQ`<r&!
sitgz)Ki^
CB=[C1 B1;C2 B2]; d~KTUgH'<
AB=[A1 B1;A2 B2]; RREl($$p
AC=[A1 C1;A2 C2]; i(YR-vYK
: cPV08i
%二次系数 7[1 VFc#tf
BKK@_ B"
k2=-(det(CB)/det(AB)); m A('MS2
k3=-(det(AC)/det(AB));
&MBm1T|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 NNBT.k3)
k2=k2 ddY-F
}z~
k3=k3 g,B@*2U j
*G[` T%g
end
