%無中間像，焦距輸入為負(fù)數(shù) >~}}*yp  
function sjr=nfdre(~) qh~$AJ9sB  
RKb{QAK!v  
%系統(tǒng)焦距及各鏡間距輸入，間距取負(fù)正負(fù) Pl/B#Sbf'  
}q?*13iy(  
f=input('f:'); 2G&H[`  
d1=input('d1:'); s=8$h:^9>  
d2=input('d2:'); <^n@q f}  
d3=input('d3:'); rnSrkn"j{  
ZCAg)/  
A=f^2/(d3*d2)-f/d1; K3;~|U-l  
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); E51'TT9  
C=d3/d2-f/d1; J
]ri|a  
WF_24Mw  
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 W.sH  
a2=d3/(a1*f);%α2 b O9PpOk+z  
b2=a1*(1-a2)*f/d2;%β2 {36QZV*P  
b1=(1-a1)*f/(d1*b2);%β1 ecdM+kP  
F9J9zs*,  
pP)> x*1  
%曲率半徑 SO+J5,)HA  
j V'~>  
R1=2*f/(b1*b2) D6fGr$(N%  
R2=2*a1*f/(b2*(1+b1)) dF+R q|n{  
R3=2*a1*a2*f/(1+b2) GLiD,QX<  
y.aeXlc[  
A1=b2^3*(a1-1)*(1+b1)^3; rCsH 0:l8P  
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; j"Z9}F@  
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; L"It0C  
$_+.D`vx`  
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2);  K)P].htw  
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); ,|^ lqY