orth {ThreeWay} | R Documentation |
Orthonormalization of a matrix
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 |
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 mariaantonietta.delferraro@yahoo.it
Henk A.L. Kiers h.a.l.kiers@rug.nl
Paolo Giordani paolo.giordani@uniroma1.it
Examples
X <- matrix(rnorm(6*3),ncol=3)
Y <- orth(X)
[Package ThreeWay version 1.1.3 Index]