/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 57 What is meant by the degree of a... [FREE SOLUTION] | 91Ó°ÊÓ

91Ó°ÊÓ

What is meant by the degree of a graph's vertex and how is it determined?

Short Answer

Expert verified
The degree of a vertex in a graph is the number of edges connected to it. In an undirected graph, count the number of edges meeting at the vertex. For directed graphs, distinguish between incoming (in-degree) and outgoing (out-degree) edges. A loop counts as two edges.

Step by step solution

01

Definition of Vertex Degree

In graph theory, a vertex (or a node) is one of the fundamental units from which graphs are formed. The degree of a vertex in a graph is the number of edges that are incident on it.
02

Undirected Vs Directed Graphs

In an undirected graph, the degree of a vertex is simply the number of edges connecting to it. However, in a directed graph, we distinguish between the 'in-degree' and the 'out-degree'. The 'in-degree' of a vertex refers to the number of incoming edges, while the 'out-degree' refers to the number of outgoing edges.
03

Counting Edges to Determine Degree

To determine the degree of a vertex, count the number of edges that meet at that vertex. In the case of a loop, it is counted twice.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91Ó°ÊÓ!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Study anywhere. Anytime. Across all devices.