Network Graph in Matlab ?

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Adam Silva
Adam Silva 2014-1-21
回答: Prateekshya 2024-10-10
Hi everybody, I'm writing a program to output a graph look the same as illustrated below.
The matrix A,
A=[ 12 5
11 5
10 4
5 3
2 3
1 2 ];
column 1 represent the node and column 2 represent the number of connection from node to other nodes.
Matrix B,
B= [12 1
12 4
12 5
12 10
12 11
.
.
.
];
represents the connections to each nodes.
IS THERE A WAY TO GENERATE THIS NETWORK USING MATLAB?
Thanks in advanced.
Shape

回答(1 个)

Prateekshya
Prateekshya 2024-10-10
Hello Adam,
MATLAB provides several ways to create and visualize network graphs. You can use the graph and digraph functions for creating undirected and directed graphs, respectively. Here is a basic guide on how to generate and visualize a network graph in MATLAB.
  1. Create a Graph: Use the graph or digraph function to create a graph object.
  2. Add Nodes and Edges: Define the nodes and edges of the graph.
  3. Visualize the Graph: Use the plot function to visualize the graph.
Example code for undirected graph:
% Define the nodes and edges
nodes = {'A', 'B', 'C', 'D', 'E'};
edges = [1 2; 1 3; 2 3; 2 4; 3 5; 4 5];
% Create a graph object
G = graph(edges(:,1), edges(:,2), [], nodes);
% Plot the graph
figure;
h = plot(G, 'Layout', 'force');
% Customize the plot
title('Network Graph');
highlight(h, [1, 2], 'EdgeColor', 'r'); % Example of highlighting an edge
Example code for directed graph:
% Define the nodes and edges for a directed graph
nodes = {'A', 'B', 'C', 'D', 'E'};
edges = [1 2; 1 3; 2 3; 2 4; 3 5; 4 5];
% Create a directed graph object
DG = digraph(edges(:,1), edges(:,2), [], nodes);
% Plot the directed graph
figure;
h = plot(DG, 'Layout', 'layered');
% Customize the plot
title('Directed Network Graph');
highlight(h, [1, 2], 'EdgeColor', 'r'); % Example of highlighting an edge
To know more about the customization options, please follow the below links:
I hope this helps!

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