# incident

From igraph v1.0.1
by Gabor Csardi

##### Incident edges of a vertex in a graph

Incident edges of a vertex in a graph

##### Usage

`incident(graph, v, mode = c("all", "out", "in", "total"))`

##### Arguments

- graph
The input graph.

- v
The vertex of which the indicent edges are queried.

- mode
Whether to query outgoing (‘out’), incoming (‘in’) edges, or both types (‘all’). This is ignored for undirected graphs.

##### Value

An edge sequence containing the incident edges of the input vertex.

##### See Also

Other structural queries: `[.igraph`

;
`[[.igraph`

; `adjacent_vertices`

;
`are.connected`

, `are_adjacent`

;
`ecount`

, `gsize`

;
`ends`

, `get.edge`

,
`get.edges`

; `get.edge.ids`

;
`gorder`

, `vcount`

;
`head_of`

; `incident_edges`

;
`is.directed`

, `is_directed`

;
`neighbors`

; `tail_of`

##### Examples

```
# NOT RUN {
g <- make_graph("Zachary")
incident(g, 1)
incident(g, 34)
# }
```

*Documentation reproduced from package igraph, version 1.0.1, License: GPL (>= 2)*

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