r"""Return the source vertex index vector :math:`\overrightarrow{v2e}_{src}` of the connections (vertices point to hyperedges) in the hypergraph.
(self)
| 640 | |
| 641 | @property |
| 642 | def v2e_src(self) -> torch.Tensor: |
| 643 | r"""Return the source vertex index vector :math:`\overrightarrow{v2e}_{src}` of the connections (vertices point to hyperedges) in the hypergraph. |
| 644 | """ |
| 645 | return self.H_T._indices()[1].clone() |
| 646 | |
| 647 | def v2e_src_of_group(self, group_name: str) -> torch.Tensor: |
| 648 | r"""Return the source vertex index vector :math:`\overrightarrow{v2e}_{src}` of the connections (vertices point to hyperedges) in the specified hyperedge group. |