cma.bbobbenchmarks.BBOBFunction

class documentation

class BBOBFunction(AbstractTestFunction):

Known subclasses: cma.bbobbenchmarks.BBOBCauchyFunction, cma.bbobbenchmarks.BBOBGaussFunction, cma.bbobbenchmarks.BBOBNfreeFunction, cma.bbobbenchmarks.BBOBUniformFunction, cma.bbobbenchmarks._F8F2, cma.bbobbenchmarks._FDiffPow, cma.bbobbenchmarks._FEllipsoid, cma.bbobbenchmarks._FGallagher, cma.bbobbenchmarks._FRosenbrock, cma.bbobbenchmarks._FSchaffersF7, cma.bbobbenchmarks._FSphere, cma.bbobbenchmarks._FStepEllipsoid

Constructor: BBOBFunction(iinstance, zerox, zerof, param, **kwargs)

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Abstract class of BBOB test functions.

Implements some base functions that are used by the test functions of BBOB such as initialisations of class attributes.

Method	`__eq__`	Undocumented
Method	`__init__`	Common initialisation.
Method	`getiinstance`	Designates the instance of the function class.
Method	`setiinstance`	Undocumented
Method	`shape_`	Undocumented
Method	`shortstr`	Gives a short string self representation (shorter than str(self)).
Class Variable	`xopt`	Undocumented
Instance Variable	`dim`	Undocumented
Instance Variable	`fopt`	Undocumented
Instance Variable	`iinstance`	Undocumented
Instance Variable	`lastshape`	Undocumented
Instance Variable	`param`	Undocumented
Instance Variable	`rseed`	Undocumented
Instance Variable	`zerox`	Undocumented
Method	`_getxopt`	Return the argument of the optimum of the function.
Method	`_setxopt`	Return the argument of the optimum of the function.
Instance Variable	`_iinstance`	Undocumented
Instance Variable	`_xopt`	Undocumented

Inherited from AbstractTestFunction:

Method	`__call__`	Returns the objective function value of argument x.
Method	`evaluate`	Returns the objective function value (in case noisy).
Method	`getfopt`	Returns the best function value of this instance of the function.
Method	`setfopt`	Undocumented
Method	`_evalfull`	return noisy and noise-free value, the latter for recording purpose.
Instance Variable	`_fopt`	Undocumented

def __eq__(self, obj): ¶

Undocumented

def __init__(self, iinstance=0, zerox=False, zerof=False, param=None, **kwargs): ¶

Common initialisation.

Keyword arguments: iinstance -- instance of the function (int) zerox -- sets xopt to [0, ..., 0] zerof -- sets fopt to 0 param -- parameter of the function (if applicable) kwargs -- additional attributes

def getiinstance(self): ¶

Designates the instance of the function class.

An instance in this case means a given target function value, a given optimal argument x, and given transformations for the function. It needs to have a string representation. Preferably it should be a number or a string.

def setiinstance(self, iinstance): ¶

Undocumented

def shape_(self, x): ¶

Undocumented

def shortstr(self): ¶

Gives a short string self representation (shorter than str(self)).

fopt: float = ¶

overrides cma.bbobbenchmarks.AbstractTestFunction.fopt

Undocumented

iinstance = ¶

Undocumented

param = ¶

Undocumented

rseed = ¶

Undocumented

zerox = ¶

Undocumented

def _getxopt(self): ¶

Return the argument of the optimum of the function.

def _setxopt(self, xopt): ¶

Return the argument of the optimum of the function.

_iinstance = ¶

Undocumented

_xopt = ¶

Undocumented