mat.I {dae} R Documentation

## Forms a unit matrix

### Description

Form the unit or identity matrix of order order.

### Usage

mat.I(order)

### Arguments

 order The order of the matrix to be formed.

### Value

A square matrix whose diagonal elements are one and its off-diagonal are zero.

### Author(s)

Chris Brien

mat.J, mat.ar1
    col.I <- mat.I(order=4)