Description Usage Arguments Value
Determines if a half-trek system exists in the mixed graph.
1 2 3 4 5 6 7 | getHalfTrekSystem(this, fromNodes, toNodes)
## S3 method for class 'MixedGraphFixedOrder'
getHalfTrekSystem(this, fromNodes, toNodes)
## S3 method for class 'MixedGraph'
getHalfTrekSystem(this, fromNodes, toNodes)
|
this |
the mixed graph object |
fromNodes |
the nodes from which the half-trek system should start. If length(fromNodes) > length(toNodes) will find if there exists any half-trek system from any subset of fromNodes of size length(toNodes) to toNodes. |
toNodes |
the nodes where the half-trek system should end. |
a list with two named components, systemExists
(TRUE if a
system exists, FALSE otherwise) and activeFrom
(the subset
of fromNodes from which the maximal half-trek system was started).
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