Class LogisticFunctionDelay

java.lang.Object

solvers.queueingnet.montecarloLogistic.numericalIntegration.SafeFunction

solvers.queueingnet.montecarloLogistic.solver.LogisticFunctionBase

solvers.queueingnet.montecarloLogistic.solver.LogisticFunctionDelay

All Implemented Interfaces:

Function

Direct Known Subclasses:

LogisticFunctionMultDelay

public class LogisticFunctionDelay
extends LogisticFunctionBase

Implementation of logistic function for single + delay servers under the additive transform

Field Summary

Fields

Modifier and Type	Field	Description
protected cern.colt.matrix.linalg.Algebra	A
protected cern.colt.matrix.DoubleMatrix1D	delays
protected cern.colt.matrix.DoubleMatrix2D	demands
protected cern.colt.matrix.DoubleMatrix2D	demands_k
protected cern.colt.matrix.DoubleMatrix1D	demands_K
protected double	epsilon
protected double	eta
protected int	K
protected MathContext	MC
protected int	N
protected cern.colt.matrix.DoubleMatrix1D	pop
protected int	R

Fields inherited from class LogisticFunctionBase

hess_stat, u_stat, v_stat, x_stat

Fields inherited from class SafeFunction

ndim

Constructor Summary

Constructors

Constructor	Description
LogisticFunctionDelay(int ndim, int[] population, double[][] demands, double[] delays, double epsilon)
LogisticFunctionDelay(int ndim, int[] population, double[][] demands, double[] delays, double epsilon, MathContext MC)
LogisticFunctionDelay(int ndim, cern.colt.matrix.DoubleMatrix1D population, cern.colt.matrix.DoubleMatrix2D demands, cern.colt.matrix.DoubleMatrix1D delays, double epsilon, MathContext MC)
LogisticFunctionDelay(LogisticFunctionDelay LFD)

Method Summary

Modifier and Type	Method	Description
void	calculate_hessian()	Stationary point Hessian calculations for single + delay server networks
void	calculate_stationary_point()	Iterative stationary point calculations for single + delay server networks.
protected void	checkInDomain(double[] point)	Function that checks point in within the domain of the function
Function	copy()
protected BigDecimal	safeEvaluate(double[] point)	The evaluation of the function, given that the point is within the domain

Methods inherited from class LogisticFunctionBase

getHess_stat, getU_stat, getV_stat, getX_stat

Methods inherited from class SafeFunction

checkPoint, evaluate

Methods inherited from class Object

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

Field Details

N

protected int N

R

protected int R

K

protected int K

eta

protected double eta

epsilon

protected double epsilon

demands

protected cern.colt.matrix.DoubleMatrix2D demands

demands_k

protected cern.colt.matrix.DoubleMatrix2D demands_k

demands_K

protected cern.colt.matrix.DoubleMatrix1D demands_K

delays

protected cern.colt.matrix.DoubleMatrix1D delays

pop

protected cern.colt.matrix.DoubleMatrix1D pop

A

protected cern.colt.matrix.linalg.Algebra A

MC

protected MathContext MC

Constructor Details

LogisticFunctionDelay

public LogisticFunctionDelay(int ndim,
 int[] population,
 double[][] demands,
 double[] delays,
 double epsilon)
                      throws InternalErrorException

Throws:

InternalErrorException

LogisticFunctionDelay

public LogisticFunctionDelay(int ndim,
 int[] population,
 double[][] demands,
 double[] delays,
 double epsilon,
 MathContext MC)
                      throws InternalErrorException

Throws:

InternalErrorException

LogisticFunctionDelay

public LogisticFunctionDelay(int ndim,
 cern.colt.matrix.DoubleMatrix1D population,
 cern.colt.matrix.DoubleMatrix2D demands,
 cern.colt.matrix.DoubleMatrix1D delays,
 double epsilon,
 MathContext MC)
                      throws InternalErrorException

Throws:

InternalErrorException

LogisticFunctionDelay

public LogisticFunctionDelay(LogisticFunctionDelay LFD)

Method Details

safeEvaluate

protected BigDecimal safeEvaluate(double[] point)
                           throws InternalErrorException

Description copied from class: SafeFunction

The evaluation of the function, given that the point is within the domain

Specified by:

safeEvaluate in class SafeFunction

Parameters:

point - Array representing point to be evaluated

Returns:

Function value at point

Throws:

InternalErrorException

checkInDomain

protected void checkInDomain(double[] point)
                      throws InternalErrorException

Description copied from class: SafeFunction

Function that checks point in within the domain of the function

Specified by:

checkInDomain in class SafeFunction

Parameters:

point - Point to be checked

Throws:

InternalErrorException - When point is invalid

copy

public Function copy()
              throws InternalErrorException

Throws:

InternalErrorException

calculate_stationary_point

public void calculate_stationary_point()

Iterative stationary point calculations for single + delay server networks.

Specified by:

calculate_stationary_point in class LogisticFunctionBase

calculate_hessian

public void calculate_hessian()

Stationary point Hessian calculations for single + delay server networks

Specified by:

calculate_hessian in class LogisticFunctionBase