edu.emory.mathcs.csparsej.tdouble

Class Dcs_qr

java.lang.Object

edu.emory.mathcs.csparsej.tdouble.Dcs_qr

public class Dcs_qr
extends java.lang.Object

Sparse QR factorization.

Constructor Summary

Constructors

Constructor and Description
Dcs_qr()

Method Summary

Modifier and Type	Method and Description
static Dcs_common.Dcsn	cs_qr(Dcs_common.Dcs A, Dcs_common.Dcss S) Sparse QR factorization of an m-by-n matrix A, A= Q*R

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Dcs_qr

public Dcs_qr()

Method Detail

cs_qr

public static Dcs_common.Dcsn cs_qr(Dcs_common.Dcs A,
                                    Dcs_common.Dcss S)

Sparse QR factorization of an m-by-n matrix A, A= Q*R

Parameters:

A - column-compressed matrix

S - symbolic QR analysis

Returns:

numeric QR factorization, null on error