问有向网络的Ploting度分布

EN

clear all; 
disp('Processing Edge-List File');
A = xlsread('edges.csv');
dim = max(max(A));
[E_Size, junk] = size(A); 
sprintf('The dataset has %d nodes and %d edges',dim, E_Size);
disp('Filling Adjanceny Matrix');
adj = sparse(A(:,1), A(:,2), ones(E_Size,1), dim, dim, E_Size);
if(adj==adj') disp('Symmetric Adjacency Matrix - Undirected Graph') ;
else disp('Assymmetric Adjacency Matrix - Directed Graph');