edu.emory.mathcs.csparsej.tdouble

Class Dcs_lu

java.lang.Object

edu.emory.mathcs.csparsej.tdouble.Dcs_lu

public class Dcs_lu
extends java.lang.Object

Sparse LU factorization.

Constructor Summary

Constructors

Constructor and Description
Dcs_lu()

Method Summary

Modifier and Type	Method and Description
static Dcs_common.Dcsn	cs_lu(Dcs_common.Dcs A, Dcs_common.Dcss S, double tol) Sparse LU factorization of a square matrix, PAQ = LU.

Methods inherited from class java.lang.Object

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

Constructor Detail

Dcs_lu

public Dcs_lu()

Method Detail

cs_lu

public static Dcs_common.Dcsn cs_lu(Dcs_common.Dcs A,
                                    Dcs_common.Dcss S,
                                    double tol)

Sparse LU factorization of a square matrix, PAQ = LU.

Parameters:

A - column-compressed matrix

S - symbolic LU analysis

tol - partial pivoting threshold (1 for partial pivoting)

Returns:

numeric LU factorization, null on error