internal node (of a tree)



An internal nodePlanetmathPlanetmath of a tree is any node which has degree greater than one. Or, phrased in rooted treeMathworldPlanetmath terminology, the internal nodes of a tree are the nodes which have at least one child node.


Figure: A tree with internal nodes highlighted in red.

Title internal node (of a tree)
Canonical name InternalNodeofATree
Date of creation 2013-03-22 12:30:25
Last modified on 2013-03-22 12:30:25
Owner akrowne (2)
Last modified by akrowne (2)
Numerical id 6
Author akrowne (2)
Entry type Definition
Classification msc 05C05
Synonym internal node