%矢量 format long clear n1=1.45 n2=1.447 a=4.5 k=(a^2)*(n1^2-n2^2);
u1=(a^2)*(n1^2); w1=(a^2)*(n2^2); XiShu1=(n1^2+n2^2)/(2*n1^2);
XiShu2=(n1^2-n2^2)/(2*n1^2); i=1; n=n2; for V=0:0.001:1
k02=V^2/k; k01=sqrt(k02);
for BeiTa=n:0.000001:n1
%n
nn=n+0.000001
U2=u1*k02-(a^2)*k02*(BeiTa^2); &nb...
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