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edges(LeafTree) -- list the edges of a tree

Synopsis

Function: edges
Usage:

edges T
Inputs:
- T, an instance of the type LeafTree,
Outputs:
- a list, the edges of T

Description

This function lists all edges of a tree. Each entry of the list is a Set of the leaves on one side of the edge.

i1 : T = leafTree(5,{{0,1}});

i2 : leaves T

o2 = set {0, 1, 2, 3, 4}

o2 : Set

i3 : edges T

o3 = {set {0, 1}, set {0}, set {1}, set {2}, set {3}, set {4}}

o3 : List

See also

internalEdges -- list the internal edges of a tree

Ways to use this method:

edges(LeafTree) -- list the edges of a tree