This is a helper function that simplifies adding and deleting vertices to/from graphs.
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See details below.
vertices is an alias for
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
vertices) are concatenated via
c() and passed to
A special object that can be used with together with igraph graphs and the plus and minus operators.
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Attaching package: 'igraph' The following objects are masked from 'package:stats': decompose, spectrum The following object is masked from 'package:base': union IGRAPH 9806e80 UN-- 12 10 -- Ring graph + attr: name (g/c), mutual (g/l), circular (g/l), name (v/c) + edges from 9806e80 (vertex names):  A--B B--C C--D D--E E--F F--G G--H H--I I--J A--J
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