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Es::EsObject Class Reference

Inheritance diagram for Es::EsObject:

[legend]Collaboration diagram for Es::EsObject:

[legend]List of all members.

Public Methods
	_setErrorFunction (Class, ErrorFunction, Minimize=true)
	_setTarget (Class, Target)
	__init__ (self, Gene=None, Generation=0, StepSize=0.1)
	_mutate (self)
	evaluate (self)
	str (self)

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Detailed Description

For the purpose of parameter evolution EsObject adds a real valued parameter vector _gene to the class. The inherited pure virtual methods _mutate() and evaluate() get implemented. Class methods setErrorFunction() and setTarget are added.

To make the class functional the derived classes will normally override evaluate() (quality evaluation) and may override _mutate() (mutation function called by create()).

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Member Function Documentation

Es::EsObject::__init__ (  self   , Gene    = None, Generation    = 0, StepSize    = 0.1 )

Es::EsObject::_mutate (  self    )

Individual step size will be modified randomly and gene vector will be variated by adding a random mutation vector with normal distributed components. The expectation value for the length of the mutation vector is the applied step size (resulting in a hyper-sphere border distribution).

Es::EsObject::_setErrorFunction (  Class   , ErrorFunction   , Minimize    = true )

Assign a quality evaluation function (used by evaluate()) to the class. Argument may be either a function or a OptimizationTarget instance. See also: module OptimizationTarget

Es::EsObject::_setTarget (  Class   , Target    )

Assign a quality evaluation function (used by evaluate()) to the class.

Es::EsObject::evaluate (  self    )

Do the mapping from the genotype _gene to phenotype _phene assign a quality (fitness) _q Quality function defaults to hyper sphere target with optimum in the Origin. See also setErrorFunction(). Reimplemented from Es::EsObjectBase.

Es::EsObject::str (  self    )

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

• Es.py

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