line graph

短语

[经] 线状图表

词形变化

line graphs 复数 line graphs

释义与例句

n.
  1. 1.

    A graph in which a series of connected straight lines connect points, each of which represents the value of a particular variable as a function of another variable.

    折线图

    线形图

  2. 2.

    A graph L(G) which is derived from a given non-oriented graph G such that the vertices of L(G) represent edges of G and so that a clique in L(G) represents a common end-vertex shared by a set of represented edges. (A star subgraph in G transforms into a clique in L(G).)

    线图

    数学
  3. 3.

    A graph L(G) which is derived from a given non-oriented graph G such that the vertices of L(G) represent edges of G and so that a clique in L(G) represents a common end-vertex shared by a set of represented edges. (A star subgraph in G transforms into a clique in L(G).)

    A graph which is the line graph (in the above sense) of some other graph.

    数学

    Suppose that a graph G has vertices A, B, C, and D such that A is adjacent to each of B, C, and D, but {B, C, D} is an independent set. Then G cannot be a line graph.