moeoEntropyMetric< ObjectiveVector > Class Template Reference

The entropy gives an idea of the diversity of a Pareto set relatively to another (Basseur, Seynhaeve, Talbi: 'Design of Multi-objective Evolutionary Algorithms: Application to the Flow-shop Scheduling Problem', in Proc. More...

#include <moeoEntropyMetric.h>

Inheritance diagram for moeoEntropyMetric< ObjectiveVector >:

List of all members.

Public Member Functions
double	operator() (const std::vector< ObjectiveVector > &_set1, const std::vector< ObjectiveVector > &_set2)
	Returns the entropy of the Pareto set '_set1' relatively to the Pareto set '_set2'.
Private Member Functions
void	removeDominated (std::vector< ObjectiveVector > &_f)
	Removes the dominated individuals contained in _f.
void	prenormalize (const std::vector< ObjectiveVector > &_f)
	Prenormalization.
void	normalize (std::vector< ObjectiveVector > &_f)
	Normalization.
void	computeUnion (const std::vector< ObjectiveVector > &_f1, const std::vector< ObjectiveVector > &_f2, std::vector< ObjectiveVector > &_f)
	Computation of the union of _f1 and _f2 in _f.
unsigned	howManyInNicheOf (const std::vector< ObjectiveVector > &_f, const ObjectiveVector &_s, unsigned _size)
	How many in niche.
double	euclidianDistance (const ObjectiveVector &_set1, const ObjectiveVector &_to, unsigned _deg=2)
	Euclidian distance.
Private Attributes
std::vector< double >	vect_min_val
	vector of min values
std::vector< double >	vect_max_val
	vector of max values

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Detailed Description

template<class ObjectiveVector>
class moeoEntropyMetric< ObjectiveVector >

The entropy gives an idea of the diversity of a Pareto set relatively to another (Basseur, Seynhaeve, Talbi: 'Design of Multi-objective Evolutionary Algorithms: Application to the Flow-shop Scheduling Problem', in Proc.

of the 2002 Congress on Evolutionary Computation, IEEE Press, pp. 1155-1156)

Definition at line 23 of file moeoEntropyMetric.h.

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Member Function Documentation

template<class ObjectiveVector>

double moeoEntropyMetric< ObjectiveVector >::operator()	(	const std::vector< ObjectiveVector > &	_set1,
		const std::vector< ObjectiveVector > &	_set2
	)			[inline]

Returns the entropy of the Pareto set '_set1' relatively to the Pareto set '_set2'.

Parameters:

	_set1	the first Pareto set
	_set2	the second Pareto set

Definition at line 32 of file moeoEntropyMetric.h.

References moeoEntropyMetric< ObjectiveVector >::computeUnion(), moeoEntropyMetric< ObjectiveVector >::howManyInNicheOf(), moeoEntropyMetric< ObjectiveVector >::normalize(), moeoEntropyMetric< ObjectiveVector >::prenormalize(), and moeoEntropyMetric< ObjectiveVector >::removeDominated().

template<class ObjectiveVector>

void moeoEntropyMetric< ObjectiveVector >::removeDominated

(

std::vector< ObjectiveVector > &

_f

)

[inline, private]

Removes the dominated individuals contained in _f.

Parameters:

_f

a Pareto set

Definition at line 81 of file moeoEntropyMetric.h.

Referenced by moeoEntropyMetric< ObjectiveVector >::operator()().

template<class ObjectiveVector>

void moeoEntropyMetric< ObjectiveVector >::prenormalize

(

const std::vector< ObjectiveVector > &

_f

)

[inline, private]

Prenormalization.

Parameters:

_f

a Pareto set

Definition at line 102 of file moeoEntropyMetric.h.

References moeoEntropyMetric< ObjectiveVector >::vect_max_val, and moeoEntropyMetric< ObjectiveVector >::vect_min_val.

Referenced by moeoEntropyMetric< ObjectiveVector >::operator()().

template<class ObjectiveVector>

void moeoEntropyMetric< ObjectiveVector >::normalize

(

std::vector< ObjectiveVector > &

_f

)

[inline, private]

Normalization.

Parameters:

_f

a Pareto set

Definition at line 124 of file moeoEntropyMetric.h.

References moeoEntropyMetric< ObjectiveVector >::vect_max_val, and moeoEntropyMetric< ObjectiveVector >::vect_min_val.

Referenced by moeoEntropyMetric< ObjectiveVector >::operator()().

template<class ObjectiveVector>

void moeoEntropyMetric< ObjectiveVector >::computeUnion	(	const std::vector< ObjectiveVector > &	_f1,
		const std::vector< ObjectiveVector > &	_f2,
		std::vector< ObjectiveVector > &	_f
	)			[inline, private]

Computation of the union of _f1 and _f2 in _f.

Parameters:

	_f1	the first Pareto set
	_f2	the second Pareto set
	_f	the final Pareto set

Definition at line 137 of file moeoEntropyMetric.h.

Referenced by moeoEntropyMetric< ObjectiveVector >::operator()().

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The documentation for this class was generated from the following file:

• moeoEntropyMetric.h

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