QuACN (version 1.8.0)

laplacianEstrada: Laplacian Estrada index

Description

This method calculates the Laplacian Estrada index of a graph.

Usage

laplacianEstrada(g)

Arguments

g

a graph as a graphNEL object.

Value

double-precision floating point value.

References

G. H. Fath-Tabar and A. R. Ashrafi and I. Gutman: Note on Estrada and L-Estrada indices of graphs, Bull. Cl. Sci. Math. Nat. Sci. Math. CXXXIX, 2009

Examples

library(graph)
set.seed(123)
g <- randomEGraph(as.character(1:8), 0.6)

laplacianEstrada(g)