# difference.igraph.vs

From igraph v1.2.2
by Gabor Csardi

##### Difference of vertex sequences

Difference of vertex sequences

##### Usage

```
# S3 method for igraph.vs
difference(big, small, ...)
```

##### Arguments

- big
The ‘big’ vertex sequence.

- small
The ‘small’ vertex sequence.

- ...
Ignored, included for S3 signature compatibility.

##### Details

They must belong to the same graph. Note that this function has ‘set’ semantics and the multiplicity of vertices is lost in the result.

##### Value

A vertex sequence that contains only vertices that are part of
`big`

, but not part of `small`

.

##### See Also

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

,
`c.igraph.vs`

,
`difference.igraph.es`

,
`igraph-es-indexing2`

,
`igraph-es-indexing`

,
`igraph-vs-indexing2`

,
`igraph-vs-indexing`

,
`intersection.igraph.es`

,
`intersection.igraph.vs`

,
`rev.igraph.es`

, `rev.igraph.vs`

,
`union.igraph.es`

,
`union.igraph.vs`

,
`unique.igraph.es`

,
`unique.igraph.vs`

##### Examples

```
# NOT RUN {
g <- make_(ring(10), with_vertex_(name = LETTERS[1:10]))
difference(V(g), V(g)[6:10])
# }
```

*Documentation reproduced from package igraph, version 1.2.2, License: GPL (>= 2)*

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