matrixcalc: matrix.inverse – R documentation

Become an expert in R — Interactive courses, Cheat Sheets, certificates and more!

matrix.inverse

Inverse of a square matrix

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

matrix.inverse(x)

`x`	a square numeric matrix

A matrix.

Frederick Novomestky fnovomes@poly.edu

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

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 )

Collection of functions for matrix calculations

v1.0-3

GPL (>= 2)

Authors

Frederick Novomestky <fnovomes@poly.edu>

Initial release

2012-09-12