biouml.plugins.simulation.ae
Class NewtonSolver

java.lang.Object
  biouml.plugins.simulation.ae.NewtonSolver

public class NewtonSolver

extends java.lang.Object

Created by IntelliJ IDEA. User: sanya Date: Dec 3, 2004 Time: 3:24:24 AM To change this template use File | Settings | File Templates.

Constructor Summary

NewtonSolver()

Method Summary

static double	calculateHalfNorm(double[] x, AeModel m)
static double[][]	jacobian(double[] x, double[] function, AeModel model)
static double	lineSearch(double[] xOld, double fOld, double[] gradient, double[] direction, double maxStep, double[] x, AeModel model, java.lang.Boolean check)
static void	luBackSubstitution(double[][] luDecomposition, int[] rowPermutation, double[] rightHandSide)
static int[]	luDecomposition(double[][] matrix)
static boolean	solve(double[] initialGuess, AeModel model)
static void	solveLinearEquationsSet(double[][] a, double[] rightHandSide)

Methods inherited from class java.lang.Object

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

Constructor Detail

NewtonSolver

public NewtonSolver()

Method Detail

solve

public static boolean solve(double[] initialGuess,
                            AeModel model)
                     throws java.lang.Exception

Throws:

java.lang.Exception

lineSearch

public static double lineSearch(double[] xOld,
                                double fOld,
                                double[] gradient,
                                double[] direction,
                                double maxStep,
                                double[] x,
                                AeModel model,
                                java.lang.Boolean check)
                         throws java.lang.Exception

Throws:

java.lang.Exception

luDecomposition

public static int[] luDecomposition(double[][] matrix)
                             throws java.lang.Exception

Throws:

java.lang.Exception

luBackSubstitution

public static void luBackSubstitution(double[][] luDecomposition,
                                      int[] rowPermutation,
                                      double[] rightHandSide)
                               throws java.lang.Exception

Throws:

java.lang.Exception

jacobian

public static double[][] jacobian(double[] x,
                                  double[] function,
                                  AeModel model)
                           throws java.lang.Exception

Throws:

java.lang.Exception

calculateHalfNorm

public static double calculateHalfNorm(double[] x,
                                       AeModel m)

solveLinearEquationsSet

public static void solveLinearEquationsSet(double[][] a,
                                           double[] rightHandSide)
                                    throws java.lang.Exception

Throws:

java.lang.Exception