tree
Formally, a forest is an undirected, acyclic graph
. A forest consists oftrees, which are themselves acyclic, connected graphs
. For example,the following diagram represents a forest, each connected component
of which is a tree.
数学辞典收录了18232条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。