vertex

0th

Percentile

Helper function for adding and deleting vertices

This is a helper function that simplifies adding and deleting vertices to/from graphs.

Usage
vertex(...)

vertices(...)

Arguments
...

See details below.

Details

vertices is an alias for vertex.

When adding vertices via +, all unnamed arguments are interpreted as vertex names of the new vertices. Named arguments are interpreted as vertex attributes for the new vertices.

When deleting vertices via -, all arguments of vertex (or vertices) are concatenated via c() and passed to delete_vertices.

Value

A special object that can be used with together with igraph graphs and the plus and minus operators.

See Also

Other functions for manipulating graph structure: +.igraph; -.igraph, igraph-minus; add.edges, add_edges; add.vertices, add_vertices; delete.edges, delete_edges; delete.vertices, delete_vertices; edge, edges; path

Aliases
  • vertex
  • vertices
Examples
# NOT RUN {
g <- make_(ring(10), with_vertex_(name = LETTERS[1:10])) +
  vertices('X', 'Y')
g
plot(g)
# }
Documentation reproduced from package igraph, version 1.0.1, License: GPL (>= 2)

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