Docs For Class QRDecomposition

$m =

[line 31]

Row dimension.

Tags:

access:

private

Type:

integer

[ Top ]

$n =

[line 37]

Column dimension.

Tags:

access:

private

Type:

integer

[ Top ]

$QR = array()

[line 25]

Array for internal storage of decomposition.

Tags:

access:

private

Type:

array

[ Top ]

$Rdiag = array()

[line 43]

Array for internal storage of diagonal of R.

Tags:

access:

private

Type:

array

[ Top ]

constructor __construct [line 52]

Structure __construct(
matrix
$A)

QR Decomposition computed by Householder reflections.

Tags:

return:	to access R and the Householder vectors and compute Q.
access:	public

Parameters:

matrix

Rectangular matrix

[ Top ]

method getH [line 114]

Matrix getH(
)

Return the Householder vectors

Tags:

return:	Lower trapezoidal matrix whose columns define the reflections
access:	public

[ Top ]

method getQ [line 154]

Matrix getQ(
)

Generate and return the (economy-sized) orthogonal factor

Tags:

return:	orthogonal factor
access:	public

[ Top ]

method getR [line 133]

Matrix getR(
)

Return the upper triangular factor

Tags:

return:	upper triangular factor
access:	public

[ Top ]

method isFullRank [line 99]

boolean isFullRank(
)

Is the matrix full rank?

Tags:

return:	true if R, and hence A, has full rank, else false.
access:	public

[ Top ]

method solve [line 192]

Matrix solve(
Matrix
$B)

Least squares solution of A*X = B

Tags:

return:	Matrix that minimizes the two norm of QRX-B.
access:	public

Parameters:

Matrix

A Matrix with as many rows as A and any number of columns.

[ Top ]

Class: QRDecomposition

Class Overview

Author(s):

Version:

Variables

Methods

Class Details

Tags:

Class Variables

$m =

Tags:

$n =

Tags:

$QR = array()

Tags:

$Rdiag = array()

Tags:

Class Methods

constructor __construct [line 52]

Tags:

Parameters:

method getH [line 114]

Tags:

method getQ [line 154]

Tags:

method getR [line 133]

Tags:

method isFullRank [line 99]

Tags:

method solve [line 192]

Tags:

Parameters: