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# Aric Hagberg <hagberg@lanl.gov>
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# Dan Schult <dschult@colgate.edu>
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# Pieter Swart <swart@lanl.gov>
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__all__ = ['adj_matrix', 'laplacian', 'generalized_laplacian',
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'laplacian_spectrum', 'adjacency_spectrum','normalized_laplacian']
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def adj_matrix(G,nodelist=None):
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"""Return adjacency matrix of graph as a numpy matrix.