RQ {LSE}

RQ Factorization of a matrix

Description

RQ factorization allows to develop an orthogonal transformation in a matrix through Householder reflections. Requires pracma package.

Usage

RQ(y)

Arguments

y

Numeric matrix or vector.

Details

RQ factorization make a orthogonal transformation at the rows of the matrix, beginning in the last one, and finishing with the first one row.

Value

Q

Orthogonal matrix for x

R

Triangular matrix for x

Author(s)

Sergio Andrés Cabrera Miranda Statician [e-mail]

Examples

A = matrix(runif(12,0,5),4,3,byrow=TRUE)
RQ(A)