com.imsl.datamining.neural
Class QuasiNewtonTrainer.Objective

java.lang.Object
  com.imsl.datamining.neural.QuasiNewtonTrainer.Objective

All Implemented Interfaces:

MinUnconMultiVar.Function

Direct Known Subclasses:

QuasiNewtonTrainer.BlockObjective, QuasiNewtonTrainer.GradObjective

Enclosing class:

QuasiNewtonTrainer

protected class QuasiNewtonTrainer.Objective
extends Object
implements MinUnconMultiVar.Function

The Objective class is passed to the optimizer.

Field Summary

protected int	nFunctionEvaluations
protected int	nObs
protected int	nY

Method Summary

double

f(double[] weights) Public interface for the multivariate function to be minimized.

Methods inherited from class java.lang.Object

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

Field Detail

nFunctionEvaluations

protected int nFunctionEvaluations

nObs

protected int nObs

nY

protected int nY

Method Detail

f

public double f(double[] weights)

Description copied from interface: MinUnconMultiVar.Function

Public interface for the multivariate function to be minimized.

Specified by:

f in interface MinUnconMultiVar.Function

Parameters:

weights - a double array, the point at which the function is to be evaluated

Returns:

a double, the value of the function at x