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data = importdata('Dielectric constants of Sn.txt'); x = data(:,1); y = data(:,2); z = data(:,3); n=sqrt((y+sqrt(y.^2+z.^2))/2); k=z/(2*n); plot(x,n,'r',x,k,'b'); xlabel('\lambda'); legend('n','k'); ÇëÎÊΪʲô×ö³öµÄͼÖлáÓÐy=0µÄÖ±Ïߣ¬ÔõôȥµôÄØ |
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