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    %% Adjacency Matrix Construction with Node Names
% Create an adjacency matrix.

% Copyright 2015 The MathWorks, Inc.

A = magic(4);
A(A>10) = 0

%%
% Create a graph with named nodes using the adjacency matrix. Specify
% |'OmitSelfLoops'| to ignore the entries on the diagonal of |A|.
names = {'alpha' 'beta' 'gamma' 'delta'};
G = digraph(A,names,'OmitSelfLoops')

%%
% View the edge and node information.
G.Edges

%%
%
G.Nodes