dgl.DGLGraph.in_degrees¶

DGLGraph.in_degrees(v='__ALL__')[source]¶

Return the array d of in-degrees of the node array v.

d[i] is the in-degree of node v[i].

Parameters:	v (list, tensor, optional.) – The node ID array. Default is to return the degrees of all the nodes.
Returns:	d – The in-degree array.
Return type:	tensor

Examples

The following example uses PyTorch backend.

>>> G = dgl.DGLGraph()
>>> G.add_nodes(3)
>>> G.add_edges([0, 0, 1], [1, 2, 2])   # (0, 1), (0, 2), (1, 2)
>>> G.in_degrees([1, 2])
tensor([1, 2])