Description Usage Arguments Details Value See Also
A binary relation R is cyclic, iff its transitive closure is not antisymmetric. Note that R may be reflexive and still acyclic, i.e., loops in R are not taken into account.
1 |
R |
an object coercible to a 0-1 (logical) square matrix, representing a binary relation on a finite set. |
rel_is_cyclic
has O(n^3) time complexity,
where n is the number of rows in R
(the implemented algorithm currently verifies whether a depth-first search-based
topological sorting is possible).
Missing values in R
always result in NA
.
rel_is_cyclic
returns
a single logical value.
Other binary_relations: check_comonotonicity
,
pord_nd
, pord_spread
,
pord_weakdom
, rel_graph
,
rel_is_antisymmetric
,
rel_is_asymmetric
,
rel_is_irreflexive
,
rel_is_reflexive
,
rel_is_symmetric
,
rel_is_total
,
rel_is_transitive
,
rel_reduction_hasse
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