Description Usage Arguments Details Value
Edges are specified by directed source->target pairs arranged in a matrix.
1 | edge_exists(x, ...)
|
x |
An adjacency matrix. |
g |
An igraph object. |
edges |
A matrix of source->target ordered pairs representing edges. |
Even if querying a single edge, the input must be represented as a matrix. In the case of one edge, the matrix would have two rows and one column.
logical.
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