树是n（n≥0）个结点的有限集合，n = 0时，称为空树，这是一种特殊情况。有且仅有一个特定的称为根的结点。当n > 1时，其余结点可分为m（m>0）个互不相交的有限集合T1，T2，···，Tm，其中每个集合本身又是一棵树，并且称为根结点的子树。树的定义是一种递归的数据结构。除根结点外的所有结点有且只有一个前驱结点。树中所有结点可以有零个或多个后继结点。二叉树是n（n≥0）个结点的有限集合。n =

文章目录【笔记】三张图读懂机器学习：基本概念、五大流派与九种常见算法Chapter 1: A look at Machine learning1.What is it?2.How does machine learning relate to artificial intelligence?3.How machine learning works?4.How machine learning fi

文章目录【笔记】三张图读懂机器学习：基本概念、五大流派与九种常见算法Chapter 1: A look at Machine learning1.What is it?2.How does machine learning relate to artificial intelligence?3.How machine learning works?4.How machine learning fi

文章目录【笔记】三张图读懂机器学习：基本概念、五大流派与九种常见算法Chapter 1: A look at Machine learning1.What is it?2.How does machine learning relate to artificial intelligence?3.How machine learning works?4.How machine learning fi