Module cma :: Class CMAAdaptSigmaBase

Class CMAAdaptSigmaBase

object --+
         |
        CMAAdaptSigmaBase

Known Subclasses:

step-size adaptation base class, implementing hsig functionality via an isotropic evolution path.

Instance Methods

[hide private]

__init__(self, *args, **kwargs)
x.__init__(...) initializes x; see help(type(x)) for signature

source code

initialize_base(self, es)
set parameters and state variable based on dimension, mueff and possibly further options.

source code

_update_ps(self, es)
update the isotropic evolution path

source code

hsig(self, es)
return "OK-signal" for rank-one update, True (OK) or False (stall rank-one update), based on the length of an evolution path source code

update(self, es, **kwargs)
update es.sigma source code

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Properties

[hide private]

Inherited from object: __class__

Method Details

[hide private]

init(self, *args, **kwargs)
(Constructor)

source code

x.__init__(...) initializes x; see help(type(x)) for signature

Overrides: object.__init__: (inherited documentation)

_update_ps(self, es)

source code

update the isotropic evolution path

Parameters:

es (CMAEvolutionStrategy)

Class CMAAdaptSigmaBase

__init__(self, *args, **kwargs) (Constructor)

_update_ps(self, es)

init(self, *args, **kwargs)
(Constructor)