# intersection.igraph.vs

From igraph v1.0.0
by Gabor Csardi

##### Intersection of vertex sequences

Intersection of vertex sequences

##### Usage

```
## S3 method for class 'igraph.vs':
intersection(...)
```

##### Arguments

- ...
- The vertex sequences to take the intersection of.

##### Details

They must belong to the same graph. Note that this function has

##### Value

- A vertex sequence that contains vertices that appear in all given sequences, each vertex exactly once.

##### See Also

Other vertex and edge sequence operations: `[.igraph.es`

,
`%--%`

, `%->%`

,
`%<-%`

, `igraph-es-indexing`

;
`[.igraph.vs`

,
`igraph-vs-indexing`

;
`[[.igraph.es`

,
`igraph-es-indexing2`

;
`[[.igraph.vs`

,
`igraph-vs-indexing2`

;
`c.igraph.es`

; `c.igraph.vs`

;
`difference.igraph.es`

;
`difference.igraph.vs`

;
`intersection.igraph.es`

;
`rev.igraph.es`

; `rev.igraph.vs`

;
`union.igraph.es`

;
`union.igraph.vs`

;
`unique.igraph.es`

;
`unique.igraph.vs`

##### Examples

```
g <- make_(ring(10), with_vertex_(name = LETTERS[1:10]))
intersection(E(g)[1:6], E(g)[5:9])
```

*Documentation reproduced from package igraph, version 1.0.0, License: GPL (>= 2)*

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