orth: Orthonormalization of a matrix

In ThreeWay: Three-Way Component Analysis

Description

Returns an orthonormal basis for the range of A.

Usage

 orth(A)

Arguments

A	Matrix to be orthogonalized

Value

Q	Orthonormal basis for the range of A

Note

The columns of Q span the same space as the columns of A with t(Q)Q=I.
The number of columns of Q is the rank of A.

Author(s)

Maria Antonietta Del Ferraro [e-mail]
Henk A.L. Kiers [e-mail]
Paolo Giordani [e-mail]

Examples

X <- matrix(rnorm(6*3),ncol=3)
Y <- orth(X)

ThreeWay documentation built on May 2, 2019, 9:20 a.m.