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Code covered by the BSD License  

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Relative Wavelet Energy

from Relative Wavelet Energy by Guan Wenye
a program calculates Relative wavelet energy with brief tutorial

y=relative_energy(DATA) 
 function y=relative_energy(DATA)

           [M,N]=size(DATA);
          y=zeros(M,N);
         
           relative=sum(DATA);
          for n=1:N
              for m=1:M
                  y(m,n)=DATA(m,n)/relative(n);
              end
          end

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