edu.emory.mathcs.csparsej.tdouble.demo

Class Dcs_demo

java.lang.Object

edu.emory.mathcs.csparsej.tdouble.demo.Dcs_demo

public class Dcs_demo
extends java.lang.Object

Support routines for Dcs_demo*.java

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Dcs_demo.Dproblem A structure for a demo problem.

Constructor Summary

Constructors

Constructor and Description
Dcs_demo()

Method Summary

Modifier and Type	Method and Description
static boolean	demo2(Dcs_demo.Dproblem Prob) Solves a linear system using Cholesky, LU, and QR, with various orderings.
static boolean	demo3(Dcs_demo.Dproblem Prob) Cholesky update/downdate
static Dcs_demo.Dproblem	get_problem(java.lang.String fileName, double tol) Reads a problem from a file.

Methods inherited from class java.lang.Object

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

Constructor Detail

Dcs_demo

public Dcs_demo()

Method Detail

get_problem

public static Dcs_demo.Dproblem get_problem(java.lang.String fileName,
                                            double tol)

Reads a problem from a file.

Parameters:

fileName - file name

tol - drop tolerance

Returns:

problem

demo2

public static boolean demo2(Dcs_demo.Dproblem Prob)

Solves a linear system using Cholesky, LU, and QR, with various orderings.

Parameters:

Prob - problem

Returns:

true if successful, false on error

demo3

public static boolean demo3(Dcs_demo.Dproblem Prob)

Cholesky update/downdate

Parameters:

Prob - problem

Returns:

true if successful, false on error