laplacian_spectrum#

laplacian_spectrum(G, weight='weight')[source]#

Returns eigenvalues of the Laplacian of G

Parameters:
Ggraph

A NetworkX graph

weightstring or None, optional (default=’weight’)

The edge data key used to compute each value in the matrix. If None, then each edge has weight 1.

Returns:
evalsNumPy array

Eigenvalues

See also

laplacian_matrix

Notes

For MultiGraph/MultiDiGraph, the edges weights are summed. See to_numpy_array for other options.