first_v: Select vertices from a sequence
In robertness/lucy: Really useful things done with graphs.

Given a vertex sequence (class igraph.vs), selects the first, last, or a random vertex from the sequence

first_v(g, s)

last_v(g, s)

random_v(g, s)

`g`	igraph object
`s`	an object of class igraph.vs

the index of a vertex from the sequence

robertness/lucy documentation built on May 27, 2019, 10:32 a.m.

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