def degrees_und(*args): return _bct.degrees_und(*args)
def degrees_und(*args): """degrees_und(gsl_matrix CIJ) -> gsl_vector""" return _bct.degrees_und(*args)
def degree(cmatrix, directed): """ In an undirected graph, the degree is the number of connections for individual nodes. In a directed graph, the indegree (outdegree) is the number of incoming (outgoing) connections for individual nodes. The degree is the sum of indegree and outdegree.Connection weights are ignored. Parameters ---------- cmatrix : ndarray (N,N) Connection/Adjacency matrix directed : boolean Is the network directed? Returns ------- directed == True: deg : ndarray Degree for all vertices deg_in : ndarray In-Degree for all vertices deg_out : ndarray Out-Degree for all vertices Computes the and degree (indegree + outdegree) for a directed binary matrix. Weights are discarded. Note: Inputs of CIJ are assumed to be on the columns of the matrix. Olaf Sporns, Indiana University, 2002/2006/2008 directed == False: deg : ndarray Degree for all vertices deg_in : ndarray In-Degree for all vertices deg_out : ndarray Out-Degree for all vertices Computes the degree for a nondirected binary matrix. Weights are discarded. Olaf Sporns, Indiana University, 2002/2006/2008 """ if directed: m = bct.to_gslm(cmatrix.tolist()) deg, deg_in, deg_out = bct.degrees_dir(m) rdeg = bct.from_gsl(deg) rdeg_in = bct.from_gsl(deg) rdeg_out = bct.from_gsl(deg) bct.gsl_free(m) bct.gsl_free(deg) bct.gsl_free(deg_in) bct.gsl_free(deg_out) return (rdeg, rdeg_in, rdeg_out) else: m = bct.to_gslm(cmatrix.tolist()) deg = bct.degrees_und(m) rdeg = bct.from_gsl(deg) bct.gsl_free(m) bct.gsl_free(deg) return rdeg