1 # -*- coding: utf-8 -*-
3 # Copyright (C) 2008-2023 EDF R&D
5 # This library is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU Lesser General Public
7 # License as published by the Free Software Foundation; either
8 # version 2.1 of the License.
10 # This library is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # Lesser General Public License for more details.
15 # You should have received a copy of the GNU Lesser General Public
16 # License along with this library; if not, write to the Free Software
17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 # Author: Jean-Philippe Argaud, jean-philippe.argaud@edf.fr, EDF R&D
24 from daCore import BasicObjects, NumericObjects
25 from daAlgorithms.Atoms import mmqr
27 # ==============================================================================
28 class ElementaryAlgorithm(BasicObjects.Algorithm):
30 BasicObjects.Algorithm.__init__(self, "QUANTILEREGRESSION")
31 self.defineRequiredParameter(
35 message = "Quantile pour la regression de quantile",
39 self.defineRequiredParameter(
43 message = "Minimiseur utilisé",
46 self.defineRequiredParameter(
47 name = "MaximumNumberOfIterations",
50 message = "Nombre maximal de pas d'optimisation",
52 oldname = "MaximumNumberOfSteps",
54 self.defineRequiredParameter(
55 name = "CostDecrementTolerance",
58 message = "Maximum de variation de la fonction d'estimation lors de l'arrêt",
60 self.defineRequiredParameter(
61 name = "StoreInternalVariables",
64 message = "Stockage des variables internes ou intermédiaires du calcul",
66 self.defineRequiredParameter(
67 name = "StoreSupplementaryCalculations",
70 message = "Liste de calculs supplémentaires à stocker et/ou effectuer",
77 "CurrentIterationNumber",
82 "SimulatedObservationAtBackground",
83 "SimulatedObservationAtCurrentState",
84 "SimulatedObservationAtOptimum",
87 self.defineRequiredParameter( # Pas de type
89 message = "Liste des valeurs de bornes",
91 self.defineRequiredParameter(
92 name = "InitializationPoint",
93 typecast = numpy.ravel,
94 message = "État initial imposé (par défaut, c'est l'ébauche si None)",
96 self.requireInputArguments(
97 mandatory= ("Xb", "Y", "HO" ),
99 self.setAttributes(tags=(
105 def run(self, Xb=None, Y=None, U=None, HO=None, EM=None, CM=None, R=None, B=None, Q=None, Parameters=None):
106 self._pre_run(Parameters, Xb, Y, U, HO, EM, CM, R, B, Q)
107 self._parameters["Bounds"] = NumericObjects.ForceNumericBounds( self._parameters["Bounds"] )
109 Hm = HO["Direct"].appliedTo
112 _X = numpy.asarray(x).reshape((-1,1))
113 if self._parameters["StoreInternalVariables"] or \
114 self._toStore("CurrentState"):
115 self.StoredVariables["CurrentState"].store( _X )
116 _HX = numpy.asarray(Hm( _X )).reshape((-1,1))
117 if self._toStore("SimulatedObservationAtCurrentState"):
118 self.StoredVariables["SimulatedObservationAtCurrentState"].store( _HX )
123 self.StoredVariables["CurrentIterationNumber"].store( len(self.StoredVariables["CostFunctionJ"]) )
124 self.StoredVariables["CostFunctionJb"].store( Jb )
125 self.StoredVariables["CostFunctionJo"].store( Jo )
126 self.StoredVariables["CostFunctionJ" ].store( J )
129 def GradientOfCostFunction(x):
130 _X = numpy.asarray(x).reshape((-1,1))
131 Hg = HO["Tangent"].asMatrix( _X )
134 Xini = self._parameters["InitializationPoint"]
136 # Minimisation de la fonctionnelle
137 # --------------------------------
138 if self._parameters["Minimizer"] == "MMQR":
139 Minimum, J_optimal, Informations = mmqr.mmqr(
142 fprime = GradientOfCostFunction,
143 bounds = self._parameters["Bounds"],
144 quantile = self._parameters["Quantile"],
145 maxfun = self._parameters["MaximumNumberOfIterations"],
146 toler = self._parameters["CostDecrementTolerance"],
150 raise ValueError("Error in minimizer name: %s is unkown"%self._parameters["Minimizer"])
152 # Obtention de l'analyse
153 # ----------------------
156 self.StoredVariables["Analysis"].store( Xa )
158 # Calculs et/ou stockages supplémentaires
159 # ---------------------------------------
160 if self._toStore("OMA") or \
161 self._toStore("SimulatedObservationAtOptimum"):
162 HXa = Hm(Xa).reshape((-1,1))
163 if self._toStore("Innovation") or \
164 self._toStore("OMB") or \
165 self._toStore("SimulatedObservationAtBackground"):
166 HXb = Hm(Xb).reshape((-1,1))
168 if self._toStore("Innovation"):
169 self.StoredVariables["Innovation"].store( Innovation )
170 if self._toStore("OMB"):
171 self.StoredVariables["OMB"].store( Innovation )
172 if self._toStore("BMA"):
173 self.StoredVariables["BMA"].store( numpy.ravel(Xb) - numpy.ravel(Xa) )
174 if self._toStore("OMA"):
175 self.StoredVariables["OMA"].store( Y - HXa )
176 if self._toStore("SimulatedObservationAtBackground"):
177 self.StoredVariables["SimulatedObservationAtBackground"].store( HXb )
178 if self._toStore("SimulatedObservationAtOptimum"):
179 self.StoredVariables["SimulatedObservationAtOptimum"].store( HXa )
184 # ==============================================================================
185 if __name__ == "__main__":
186 print('\n AUTODIAGNOSTIC\n')