1 # -*- coding: utf-8 -*-
3 # Copyright (C) 2008-2024 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 régression 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" ),
111 def run(self, Xb=None, Y=None, U=None, HO=None, EM=None, CM=None, R=None, B=None, Q=None, Parameters=None):
112 self._pre_run(Parameters, Xb, Y, U, HO, EM, CM, R, B, Q)
113 self._parameters["Bounds"] = NumericObjects.ForceNumericBounds( self._parameters["Bounds"] )
115 Hm = HO["Direct"].appliedTo
118 _X = numpy.asarray(x).reshape((-1, 1))
119 if self._parameters["StoreInternalVariables"] or \
120 self._toStore("CurrentState"):
121 self.StoredVariables["CurrentState"].store( _X )
122 _HX = numpy.asarray(Hm( _X )).reshape((-1, 1))
123 if self._toStore("SimulatedObservationAtCurrentState"):
124 self.StoredVariables["SimulatedObservationAtCurrentState"].store( _HX )
129 self.StoredVariables["CurrentIterationNumber"].store( len(self.StoredVariables["CostFunctionJ"]) )
130 self.StoredVariables["CostFunctionJb"].store( Jb )
131 self.StoredVariables["CostFunctionJo"].store( Jo )
132 self.StoredVariables["CostFunctionJ" ].store( J )
135 def GradientOfCostFunction(x):
136 _X = numpy.asarray(x).reshape((-1, 1))
137 Hg = HO["Tangent"].asMatrix( _X )
140 Xini = self._parameters["InitializationPoint"]
142 # Minimisation de la fonctionnelle
143 # --------------------------------
144 if self._parameters["Minimizer"] == "MMQR":
145 Minimum, J_optimal, Informations = mmqr.mmqr(
148 fprime = GradientOfCostFunction,
149 bounds = self._parameters["Bounds"],
150 quantile = self._parameters["Quantile"],
151 maxfun = self._parameters["MaximumNumberOfIterations"],
152 toler = self._parameters["CostDecrementTolerance"],
156 raise ValueError("Error in minimizer name: %s is unkown"%self._parameters["Minimizer"])
158 # Obtention de l'analyse
159 # ----------------------
162 self.StoredVariables["Analysis"].store( Xa )
164 # Calculs et/ou stockages supplémentaires
165 # ---------------------------------------
166 if self._toStore("OMA") or \
167 self._toStore("SimulatedObservationAtOptimum"):
168 HXa = Hm(Xa).reshape((-1, 1))
169 if self._toStore("Innovation") or \
170 self._toStore("OMB") or \
171 self._toStore("SimulatedObservationAtBackground"):
172 HXb = Hm(Xb).reshape((-1, 1))
174 if self._toStore("Innovation"):
175 self.StoredVariables["Innovation"].store( Innovation )
176 if self._toStore("OMB"):
177 self.StoredVariables["OMB"].store( Innovation )
178 if self._toStore("BMA"):
179 self.StoredVariables["BMA"].store( numpy.ravel(Xb) - numpy.ravel(Xa) )
180 if self._toStore("OMA"):
181 self.StoredVariables["OMA"].store( Y - HXa )
182 if self._toStore("SimulatedObservationAtBackground"):
183 self.StoredVariables["SimulatedObservationAtBackground"].store( HXb )
184 if self._toStore("SimulatedObservationAtOptimum"):
185 self.StoredVariables["SimulatedObservationAtOptimum"].store( HXa )
187 self._post_run(HO, EM)
190 # ==============================================================================
191 if __name__ == "__main__":
192 print("\n AUTODIAGNOSTIC\n")