Detecting cycles in an adjacency matrix - Stack Overflow
May 8, 2013 · 6 If A is the adjacency matrix of the directed or undirected graph G, then the matrix A^n (i.e., the matrix product of n copies of A) has following property: the entry in row i and column j gives …
What is better, adjacency lists or adjacency matrices for graph ...
Jan 16, 2017 · What is better, adjacency lists or adjacency matrix, for graph problems in C++? What are the advantages and disadvantages of each?
Which Graph Algorithms prefer adjacency matrix and why?
Jun 27, 2020 · Adjacency lists are generally faster than adjacency matrices in algorithms in which the key operation performed per node is “iterate over all the nodes adjacent to this node.” That can be …
Adjacency matrix for Graph in Python Nympy - Stack Overflow
Jun 7, 2020 · Adjacency matrix for Graph in Python Nympy Asked 5 years, 4 months ago Modified 5 years, 4 months ago Viewed 6k times
Raising an adjacency matrix to a power: Why does it work?
Aug 27, 2015 · Take a small adjacency matrix and by hand work out an algorithm to figure out which nodes are reachable from which other nodes.
How to create weighted adjacency list/matrix from edge list?
May 16, 2013 · 14 My problem is very simple: I need to create an adjacency list/matrix from a list of edges. I have an edge list stored in a csv document with column1 = node1 and column2 = node2 and …
igraph Graph from numpy or pandas adjacency matrix
Apr 15, 2015 · 41 In igraph you can use igraph.Graph.Adjacency to create a graph from an adjacency matrix without having to use zip. There are some things to be aware of when a weighted adjacency …
Breadth First search with adjacency matrix - Stack Overflow
Look at the part where you use the adjacency list representation. You're iterating over a node's neighbors. Figure out how to iterate over a node's neighbors with an adjacency matrix.
Example for adjacency matrix of a bipartite graph
Jan 24, 2016 · Can someone explain to me with an example how to create the adjacency matrix of a bipartite graph? And why the diagonal elements of it are not zero? Thanks.
linear algebra - Meaning of eigenvalues of an adjacency matrix ...
Mar 10, 2022 · I know the eigen vector of a matrix transformation is the vector that turns it into a scalar transformation. But in the context of a adjacency matrix and in a graph, what does the eigen vector …