我的M文件如下： 8}(]]ayl  
function [G5]=fun(x); +[tP_%/r'^  
syms n1 n2 k1 k2 d; *Aa?yg:=  
[subwave,nsub]=textread('subout.txt','%f %f'); ~^cMys |'  
[filmwave,filmtran]=textread('filmtr.dat','%f %f'); ki)#d' }  
[p,q]=size(subwave); F_4n^@M  
for j=1:p; {,L+1h  
    wavel(j)=subwave(j,1); _(KbiEB{  
    n(j)=n1+n2/((wavel(j))^2); ~#
/hzS  
    k(j)=k1*exp(k2/wavel(j)); ,tg0L$qC  
    N(j)=n(j)-i*k(j); &%/7E_j7  
    phase(j)=2*pi*N(j)*d/wavel(j); b?'yAXk  
    ns(j)=nsub(j,1); p"U,G -_  
    B(j)=cos(phase(j))+ns(j)*i*sin(phase(j))/N(j); mbueP.q[?  
    C(j)=i*N(j)*sin(phase(j))+ns(j)*cos(phase(j)); SZXY/~=h  
    T(j)=4*ns(j)/((B(j)+C(j))*conj(B(j)+C(j))); l(#)WWr+  
    ts(j)=1-((1-ns(j))/(1+ns(j)))^2; =3v]gOcO  
    t1(j)=ts(j)*T(j);
Xp}Yw"7  
    tf(j)=filmtran(j,1)/100; G}G#i`6o  
    difference(j)=(t1(j)-tf(j))^2; mN19WQ(r  
end ~B(6+~%  
G=symsum(difference(j),1,401); WH\))y-  
G1=subs(G,n1,sym('x(1)')); D~\$~&_]=  
G2=subs(G1,n2,sym('x(2)'));
y? co|  
G3=subs(G2,k1,sym('x(3)')); 'Un" rts  
G4=subs(G3,k2,sym('x(4)')); \(vY%DL1:  
G5=subs(G4,d,sym('x(5)')); j ku}QM^  
}:~x7|~s:  
c=`wg$2:5  
=i7`ek  
在matlab下運行 ,xx