meshi.optimizers
Class Minimizer

java.lang.Object
  meshi.optimizers.Optimizer
      meshi.optimizers.Minimizer

Direct Known Subclasses:

BFGS, ConjugateGradient, LBFGS, SteepestDecent

public abstract class Minimizer
extends Optimizer

Minimize energy according to a given set of coordinates and an energy function

Nested Class Summary

Nested classes/interfaces inherited from class meshi.optimizers.Optimizer

Optimizer.OptimizerStatus

Field Summary

private double	forceMagnitude
int	MAX_KICKSTARTS
private int	numberOfKickStrarts
static Terminator	terminator
double	tolerance

Fields inherited from class meshi.optimizers.Optimizer

energy, maxSteps, optimizerTerminator, reportEvery

Constructor Summary

Minimizer(TotalEnergy energy, int maxSteps, int reportEvery, double tolerance)

Method Summary

protected abstract void	init()
protected abstract void	kickStart()
protected abstract boolean	minimizationStep()
Optimizer.OptimizerStatus	run()
Optimizer.OptimizerStatus	run(boolean testFlag)
private Optimizer.OptimizerStatus	status(int step)

Methods inherited from class meshi.optimizers.Optimizer

energy

Methods inherited from class java.lang.Object

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

Field Detail

MAX_KICKSTARTS

public final int MAX_KICKSTARTS

See Also:

Constant Field Values

tolerance

public final double tolerance

forceMagnitude

private double forceMagnitude

numberOfKickStrarts

private int numberOfKickStrarts

terminator

public static final Terminator terminator

Constructor Detail

Minimizer

public Minimizer(TotalEnergy energy,
                 int maxSteps,
                 int reportEvery,
                 double tolerance)

Method Detail

run

public Optimizer.OptimizerStatus run()
                              throws OptimizerException

Specified by:

run in class Optimizer

Throws:

OptimizerException

run

public Optimizer.OptimizerStatus run(boolean testFlag)
                              throws OptimizerException

Throws:

OptimizerException

status

private Optimizer.OptimizerStatus status(int step)

init

protected abstract void init()
                      throws OptimizerException

Throws:

OptimizerException

minimizationStep

protected abstract boolean minimizationStep()
                                     throws OptimizerException

Throws:

OptimizerException

kickStart

protected abstract void kickStart()
                           throws OptimizerException

Throws:

OptimizerException