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Highlights from
shannon and non-extensive entropy

from shannon and non-extensive entropy by Guan Wenye
shannon Tsallis,renyi,escort Tsallis entropy and relative entropy

y=shannon_entro(x) 
function y=shannon_entro(x)
       [M,N]=size(x);
       y=zeros(1,N);
       for l=1:N
          sum1=sum(x(:,l).*log(x(:,l)));
          sum1=-1*sum1;
         y(1,l)=sum1;
       end

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