# incidence

Graph incidence matrix

## Syntax

## Description

## Examples

## Input Arguments

## Output Arguments

## Tips

The

`incidence`

function calculates the variety of incidence matrix commonly known as a*signed*or*oriented*incidence matrix. The signed incidence matrix of an undirected graph,`I`

, is related to the graph Laplacian matrix,`L`

, such that`L == I*I'`

.

## Version History

**Introduced in R2015b**