How to add edge using add.edge in networkx

share link

by dot icon Updated: Oct 4, 2023

technology logo
technology logo

Solution Kit Solution Kit  

Networkx is a Python library. It helps create, change, and study complex networks or graphs. In networkx, an "edge" is a connection between two graph nodes.

The add edge function in networkx is a method that allows you to add an edge to a graph.  

Types of Networks

  • Undirected Graphs  
  • Directed Graphs  
  • Multigraphs  
  • Weighted Graphs  
  • Bipartite Graphs  
  • Hypergraphs  
  • Random Graph Models

Key Points of Networkx

  1. Networkx & add edge Function: It helps create, analyze, and model complex networks. You can use the add edge function in networkx to connect nodes in a graph.  
  2. Types of Networks: You can create graphs, like undirected or directed ones, using add edge. You can make multigraphs, weighted graphs, bipartite graphs, hypergraphs, and random graph models.  
  3. Dashboard and Report Generation: Networkx is mainly used for network modeling and analysis. You can also combine it with other tools to create dashboards and reports. You can extract, analyze, and export data in formats that work with reporting tools.  
  4. Enhance Collaboration: Create collaboration networks to improve teamwork, identifying collaboration patterns and bottlenecks.  
  5. Recommendation Systems: Build recommendation systems based on network data to enhance customer experiences.  
  6. Fraud Detection and Security: Help detect security threats to detect them early.  


In conclusion, networkx's add edge function is a powerful business tool. Using it helps you work faster. It also helps you make wise decisions with data. Plus, it helps you understand complex networks. Today, this resource is important. It can imitate different networks and use reporting tools.  

Fig: Preview of the output that you will get on running this code from your IDE.


In this solution we are using Networkx library of Python.


Follow the steps carefully to get the output easily.

  1. Download and Install the Jupyter Notebook on your computer.
  2. Open the terminal and install the required libraries with the following commands.
  3. Create a new Python file on your Notebook.
  4. Copy the snippet using the 'copy' button and paste it into your Python.
  5. Run the current file to generate the output.

I hope you found this useful.

I found this code snippet by searching for 'edge length in Networkx' in Kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. Jupyter Notebook (anaconda 3) 6.0.1 Version
  2. The solution is created in Python 3.8 Version
  3. Networkx 3.1 Version.

Using this solution, we can be able to add edge using add. Edge in networkx. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to add edge using add. Edge in networkx.

Dependent Library

networkxby networkx

Python doticonstar image 12745 doticonVersion:networkx-3.1doticon
License: Others (Non-SPDX)

Network Analysis in Python


            networkxby networkx

            Python doticon star image 12745 doticonVersion:networkx-3.1doticon License: Others (Non-SPDX)

            Network Analysis in Python

                      You can search for any dependent library on kandi like 'networkx'.


                      1. How can one use a NetworkX graph to analyze network structure?   

                      The NetworkX library in Python provides a data structure called a NetworkX graph. It helps represent and work with networks or graphs. A graph is a mathematical abstraction containing nodes and edges. NetworkX is a tool for easily making, changing and studying graphs in different ways.  


                      2. How can we use the Multiline Adjacency List format in NetworkX to add edges?   

                      The Multiline Adjacency List format represents a graph using a simple text-based format. Each line describes an edge in the graph. This format is easy to read and often shows graph edges without naming the nodes. Each line usually has two or more node IDs with spaces or other separators. These indicate that there is a connection between those nodes.  


                      3. How does Graph theory relate to adding edges in NetworkX graphs?   

                      Graph theory is a branch of math. It studies graph structures of nodes and edges. Nodes represent things, and edges show their connections. NetworkX is a Python library designed to create, manipulate, and analyze graphs. Adding edges to NetworkX graphs is an important task in graph theory and data analysis.  


                      4. When working with the add.Edge command in NetworkX, how can you use Node Attributes?   

                      In NetworkX, you can use the add_edge command to add edges between nodes in a graph. To connect nodes, add edges. Use node attributes to provide information or properties to specific nodes.  

                      Node attributes in NetworkX enhance the richness and expressiveness of your graph data. When you use the add edge command, you can give nodes more context and information. This helps with analyzing, visualizing, and customizing your network data.  


                      5. What are some tips for constructing an edge list that works with the add. Edge command in Python code?   

                      In Python, making an edge list that works with the add edge command is crucial. This helps with building and studying graphs efficiently. This is especially true when using libraries like NetworkX.  

                      • Understand Your Data  
                      • Choose a Data Structure  
                      • Ensure Node Existence  
                      • Include Edge Attributes  
                      • Consider Edge Direction  
                      • Remove Duplicate Edges  
                      • Validate Data  
                      • Organize Data Importantly  
                      • Iterate for Dynamic Graphs  
                      • Test Your Code  


                      1. For any support on kandi solution kits, please use the chat
                      2. For further learning resources, visit the Open Weaver Community learning page

                      See similar Kits and Libraries