Linear algebra¶
Graph Matrix¶
Adjacency matrix and incidence matrix of graphs.
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Returns adjacency matrix of G. |
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Returns incidence matrix of G. |
Laplacian Matrix¶
Laplacian matrix of graphs.
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Returns the Laplacian matrix of G. |
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Returns the normalized Laplacian matrix of G. |
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Returns the directed Laplacian matrix of G. |
Return the directed combinatorial Laplacian matrix of G. |
Bethe Hessian Matrix¶
Bethe Hessian or deformed Laplacian matrix of graphs.
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Returns the Bethe Hessian matrix of G. |
Algebraic Connectivity¶
Algebraic connectivity and Fiedler vectors of undirected graphs.
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Returns the algebraic connectivity of an undirected graph. |
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Returns the Fiedler vector of a connected undirected graph. |
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Compute the spectral_ordering of a graph. |
Attribute Matrices¶
Functions for constructing matrix-like objects from graph attributes.
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Returns a NumPy matrix using attributes from G. |
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Returns a SciPy sparse matrix using attributes from G. |
Modularity Matrices¶
Modularity matrix of graphs.
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Returns the modularity matrix of G. |
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Returns the directed modularity matrix of G. |
Spectrum¶
Eigenvalue spectrum of graphs.
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Returns eigenvalues of the adjacency matrix of G. |
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Returns eigenvalues of the Laplacian of G |
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Returns eigenvalues of the Bethe Hessian matrix of G. |
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Return eigenvalues of the normalized Laplacian of G |
Returns eigenvalues of the modularity matrix of G. |