Revision history [back]
 | 1 | initial version |
sage: G = DiGraph(3, weighted=True)
sage: G.add_edges([(0,2,4), (1,2,6),(0,1,2)])
sage: G.laplacian_matrix()
[ 0 -2 -4]
[ 0 2 -6]
[ 0 0 10]| | 1 | initial version |
sage: G = DiGraph(3, weighted=True)
sage: G.add_edges([(0,2,4), (1,2,6),(0,1,2)])
sage: G.laplacian_matrix()
[ 0 -2 -4]
[ 0 2 -6]
[ 0 0 10]
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