org.apache.commons.math3.optimization.direct
Class MultivariateFunctionMappingAdapter.LowerUpperBoundMapper

java.lang.Object
  org.apache.commons.math3.optimization.direct.MultivariateFunctionMappingAdapter.LowerUpperBoundMapper

All Implemented Interfaces:

MultivariateFunctionMappingAdapter.Mapper

Enclosing class:

MultivariateFunctionMappingAdapter

private static class MultivariateFunctionMappingAdapter.LowerUpperBoundMapper
extends Object
implements MultivariateFunctionMappingAdapter.Mapper

Local class for lower and bounds mapping.

Field Summary

private UnivariateFunction	boundingFunction Function from unbounded to bounded.
private UnivariateFunction	unboundingFunction Function from bounded to unbounded.

Constructor Summary

MultivariateFunctionMappingAdapter.LowerUpperBoundMapper(double lower, double upper)
Simple constructor.

Method Summary

double	boundedToUnbounded(double x) Map a value from bounded to unbounded.
double	unboundedToBounded(double y) Map a value from unbounded to bounded.

Methods inherited from class java.lang.Object

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

Field Detail

boundingFunction

private final UnivariateFunction boundingFunction

Function from unbounded to bounded.

unboundingFunction

private final UnivariateFunction unboundingFunction

Function from bounded to unbounded.

Constructor Detail

MultivariateFunctionMappingAdapter.LowerUpperBoundMapper

public MultivariateFunctionMappingAdapter.LowerUpperBoundMapper(double lower,
                                                                double upper)

Simple constructor.

Parameters:

lower - lower bound

upper - upper bound

Method Detail

unboundedToBounded

public double unboundedToBounded(double y)

Map a value from unbounded to bounded.

Specified by:

unboundedToBounded in interface MultivariateFunctionMappingAdapter.Mapper

Parameters:

y - unbounded value

Returns:

bounded value

boundedToUnbounded

public double boundedToUnbounded(double x)

Map a value from bounded to unbounded.

Specified by:

boundedToUnbounded in interface MultivariateFunctionMappingAdapter.Mapper

Parameters:

x - bounded value

Returns:

unbounded value