normalization codes for database?

2013 3 2
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hi What do the following codes ؟
function kvalue=compute_kvalue(data)
v=6.1;
var = (max(data)-min(data))'(max(data)-min(data))/v;
kvalue=zeros(size(data,1),size(data,1),size(data,2));
for i=1:size(data,1)
for j=i:size(data,1)
kvalue(i,j,:)=exp(-(data(i,:)-data(j,:)'(data(i,:)-data(j,:))./var);
kvalue(j,i,:)=kvalue(i,j,:);
end
end
end
its looks that do normalization but How does it work?

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mina
mina
2013-3-2

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