0
votes
1answer
61 views

Reading a Laplacian Matrix and its labeled graph?

How can the following labeled graph be extracted from the Laplacian Matrix below and viceversa? I had a look at this great conversation but it is already too advanced for me.
11
votes
2answers
4k views

Understanding the properties and use of the Laplacian matrix (and its norm)

I am reading the wikipedia article on the Laplacian matrix: http://en.wikipedia.org/wiki/Laplacian_matrix I don't understand what is the particular use of it; having the diagonals as the degree and ...