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1.4327
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1.5027
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[m,n]=size(aa);
for t=1:8,%¸ÃforÑ­»·ÓÃÓÚÇúÏ߯½»¬,ÒÔ¼°½«²»±ØÒªµÄÊý¾Ý½Øµô.tΪƽ»¬´ÎÊý.
        for s=(length(aa(:,2))-2):-1:2,
        sp=csapi([4,3,1],[aa(s+2,2),aa(s+1,2),aa(s-1,2)]);aa(s,2)=fnval(sp,2);
        end
    end
   wavelength=aa(1:m-40,1);absorptance=aa(1:m-40,2);E_eV=(h*c./(wavelength*1e-9))./e;
   particlesize=1/2./(50000*E_eV-157955).*(-5289+(-72372280279+22918000000*E_eV).^(1/2));%ÄÜÁ¿µ½Á£¾¶µÄת»»
   psize=particlesize(1):.001:particlesize(length(particlesize));
   sp=csapi(particlesize,absorptance,psize); %%%%%%%%%plot(psize,sp,'--r'),xlabel('Á£¾¶'),ylabel('Îü¹â¶È'),title('Îü¹â¶ÈºÍÁ£¾¶µÄ¹ØÏµ(ºìɫΪ²åÖµ½á¹û)');%csapi()Èý´ÎÑùÌõ²åÖµ,fnplt()»æÖƲåÖµ½á¹û¡£
   spd=diff(sp)./diff(psize);psize1=psize(1:length(psize)-1);%spd¼´Îü¹â¶È¶ÔÁ£¾¶µÄµ¼Êý¡£
   V=4/3*3.1415926*psize1.^3; n_r=-spd./V;
   i=find(n_r<-1e-3&n_r>-1e+4);i=max(i);n_r(1:i)=NaN;
   j=find(n_r==max(n_r));psize1(j)

[ Last edited by csfn on 2008-12-29 at 20:23 ]
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1.31675586473640         1.3168
1.44455586473641         1.4446
1.54515586473641         1.5452
1.57215586473640         1.5722
1.58205586473640         1.5821
1.59265586473640         1.5927
1.60305586473641         1.6031
1.61725586473640         1.6173
1.62705586473641         1.6271
1.63455586473640         1.6346
1.64025586473640         1.6403
1.64855586473640         1.6486
1.66195586473641         1.662
1.66535586473641         1.6654
1.67405586473641         1.6741
1.68485586473640         1.6849
1.69125586473641         1.6913
1.70025586473641         1.7003
1.70755586473640         1.7076
1.71055586473641         1.7106
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