desdeo.optimization.OptimizationMethod¶
This module contains methods for solving single-objective optimization problems.
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class
desdeo.optimization.OptimizationMethod.
OptimalSearch
(optimization_problem)[source]¶ Bases:
desdeo.optimization.OptimizationMethod.OptimizationMethod
Abstract class for optimal search
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__abstractmethods__
= frozenset({'_objective', '_search'})¶
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__module__
= 'desdeo.optimization.OptimizationMethod'¶
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class
desdeo.optimization.OptimizationMethod.
OptimizationMethod
(optimization_problem)[source]¶ Bases:
abc.ABC
Abstract class for optimization methods
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_max
¶ True if the objective function is to be maximized
- Type
bool (default:False)
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_ceoff
¶ Coefficient for the objective function
- Type
float
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__abstractmethods__
= frozenset({'_search'})¶
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__init__
(optimization_problem)[source]¶ Initialize self. See help(type(self)) for accurate signature.
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__module__
= 'desdeo.optimization.OptimizationMethod'¶
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abstract
_search
(**params)[source]¶ The actual search for the optimal solution
This is an abstract class that must be implemented by the subclasses
- Parameters
**params (dict [optional]) – Parameters for single objective optimization method
- Return type
Tuple
[ndarray
,List
[float
]]
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search
(max=False, **params)[source]¶ Search for the optimal solution
This sets up the search for the optimization and calls the _search method
- Parameters
max (bool (default False)) – If true find mximum of the objective function instead of minimum
**params (dict [optional]) – Parameters for single objective optimization method
- Return type
Tuple
[ndarray
,List
[float
]]
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class
desdeo.optimization.OptimizationMethod.
PointSearch
(optimization_problem)[source]¶ Bases:
desdeo.optimization.OptimizationMethod.OptimizationMethod
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__abstractmethods__
= frozenset({})¶
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__module__
= 'desdeo.optimization.OptimizationMethod'¶
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class
desdeo.optimization.OptimizationMethod.
SciPy
(optimization_problem)[source]¶ Bases:
desdeo.optimization.OptimizationMethod.OptimalSearch
Optimal search using
scipy.optimize.minimize()
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__abstractmethods__
= frozenset({})¶
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__module__
= 'desdeo.optimization.OptimizationMethod'¶
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class
desdeo.optimization.OptimizationMethod.
SciPyDE
(optimization_problem)[source]¶ Bases:
desdeo.optimization.OptimizationMethod.OptimalSearch
Optimal search using
scipy.optimize.differential_evolution()
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__abstractmethods__
= frozenset({})¶
-
__init__
(optimization_problem)[source]¶ Initialize self. See help(type(self)) for accurate signature.
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__module__
= 'desdeo.optimization.OptimizationMethod'¶
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