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PartitionLattice
PartitionLattice[n]
returns a Hasse diagram of the partially ordered set on set partitions of 
through 
in which 
if 
is finer than 
, that is, each block in 
is contained in some block in 
.
更多信息
- To use
, you first need to load the Combinatorica Package using Needs["Combinatorica`"]. - The function takes two options:
and VertexLabel, with default values Undirected and False, respectively. - When
is set to Directed, the function produces the underlying directed acyclic graph. - When VertexLabel is set to True, labels are produced for the vertices.
