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danbri/gist:1106918

Created July 26, 2011 14:45
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gistfile1.txt
function [LAP] = laplacian(A1);
A2 = A1 * -1; # adj. matrix where -1 shows a link
N = length(A2);
Z = zeros(N);
S = abs(sum(A2));
for K = 1:N;
Z(K,K)=S(K);
end
LAP = A2+Z;
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