edu.emory.mathcs.csparsej.tdouble

Class Dcs_qrsol

java.lang.Object

edu.emory.mathcs.csparsej.tdouble.Dcs_qrsol

public class Dcs_qrsol
extends java.lang.Object

Solve a least-squares or underdetermined problem.

Constructor Summary

Constructors

Constructor and Description
Dcs_qrsol()

Method Summary

Modifier and Type	Method and Description
static boolean	cs_qrsol(int order, Dcs_common.Dcs A, double[] b) Solve a least-squares problem (min ||Ax-b||_2, where A is m-by-n with m >= n) or underdetermined system (Ax=b, where m < n)

Methods inherited from class java.lang.Object

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

Constructor Detail

Dcs_qrsol

public Dcs_qrsol()

Method Detail

cs_qrsol

public static boolean cs_qrsol(int order,
                               Dcs_common.Dcs A,
                               double[] b)

Solve a least-squares problem (min ||Ax-b||_2, where A is m-by-n with m >= n) or underdetermined system (Ax=b, where m < n)

Parameters:

order - ordering method to use (0 to 3)

A - column-compressed matrix

b - size max(m,n), b (size m) on input, x(size n) on output

Returns:

true if successful, false on error