R: Inverse of a square matrix

matrix.inverse {matrixcalc} | R Documentation

## Inverse of a square matrix

### Description

This function returns the inverse of a square matrix computed using the R function solve.

### Usage

    matrix.inverse(x)

### Arguments

`x` | a square numeric matrix

### Value

A matrix.

### Author(s)

Frederick Novomestky fnovomes@poly.edu

### References

Bellman, R. (1987). Matrix Analysis, Second edition, Classics in Applied Mathematics, Society for Industrial and Applied Mathematics.

### Examples

    A <- matrix( c ( 1, 2, 2, 1 ), nrow=2, byrow=TRUE)
    print( A )
    invA <- matrix.inverse( A )
    print( invA )
    print( A %*% invA )
    print( invA %*% A )

[Package matrixcalc version 1.0-3 Index]