Class LinearSystem

java.lang.Object

solvers.linearSystem.LinearSystem

Direct Known Subclasses:

BTFLinearSystem, SimpleLinearSystem

public abstract class LinearSystem
extends Object

This abstract class provides the interface for the Linear System which is used by the CoMoM algorithm.

Author:

Jack Bradshaw

Field Summary

Fields

Modifier and Type	Field	Description
protected CoMoMBasis	basis	Basis for the model
protected QNModel	qnm	The model under consideration.

Constructor Summary

Constructors

Constructor	Description
LinearSystem(QNModel qnm, CoMoMBasis basis)	Constructor

Method Summary

Modifier and Type	Method	Description
void	computePerformanceMeasures()
final void	initialiseForClass(PopulationVector current_N, int current_class)	Initialises the linear system ready for iteration on current_class at the specified population
protected abstract void	initialiseMatricesForClass(PopulationVector current_N, int current_class)	Initialises the matrices of the linear system ready for iteration on current_class at the specified population
abstract void	solve()	Solve the linear system in its current configuration
abstract void	update(int current_class_population)	Updates the N_l values in the linear system

Methods inherited from class Object

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

Field Details

basis

protected CoMoMBasis basis

Basis for the model

qnm

protected QNModel qnm

The model under consideration.

Constructor Details

LinearSystem

public LinearSystem(QNModel qnm,
 CoMoMBasis basis)
             throws InternalErrorException

Constructor

Parameters:

qnm - The model under consideration.

basis - Basis for the model

Throws:

InternalErrorException

Method Details

computePerformanceMeasures

public void computePerformanceMeasures()
                                throws InternalErrorException

Throws:

InternalErrorException

update

public abstract void update(int current_class_population)

Updates the N_l values in the linear system

Parameters:

current_class_population - The population in the current class under consideration

solve

public abstract void solve()
                    throws OperationNotSupportedException,
InconsistentLinearSystemException,
InternalErrorException,
BTFMatrixErrorException

Solve the linear system in its current configuration

Throws:

OperationNotSupportedException

InconsistentLinearSystemException

InternalErrorException

BTFMatrixErrorException

initialiseForClass

public final void initialiseForClass(PopulationVector current_N,
 int current_class)
                              throws InternalErrorException,
OperationNotSupportedException,
BTFMatrixErrorException,
InconsistentLinearSystemException

Initialises the linear system ready for iteration on current_class at the specified population

Parameters:

current_N - The current population vector

current_class - The current class under consideration

Throws:

InternalErrorException

OperationNotSupportedException

BTFMatrixErrorException

InconsistentLinearSystemException

initialiseMatricesForClass

protected abstract void initialiseMatricesForClass(PopulationVector current_N,
 int current_class)
                                            throws BTFMatrixErrorException,
InternalErrorException,
InconsistentLinearSystemException,
OperationNotSupportedException

Initialises the matrices of the linear system ready for iteration on current_class at the specified population

Parameters:

current_N - The current population vector

current_class - The current class under consideration

Throws:

BTFMatrixErrorException

InternalErrorException

InconsistentLinearSystemException

OperationNotSupportedException