1 #-*-coding:iso-8859-1-*-
3 # Copyright (C) 2008-2015 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
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 = "MaximumNumberOfSteps",
50 message = "Nombre maximal de pas d'optimisation",
53 self.defineRequiredParameter(
54 name = "CostDecrementTolerance",
57 message = "Maximum de variation de la fonction d'estimation lors de l'arrêt",
59 self.defineRequiredParameter(
60 name = "StoreInternalVariables",
63 message = "Stockage des variables internes ou intermédiaires du calcul",
65 self.defineRequiredParameter(
66 name = "StoreSupplementaryCalculations",
69 message = "Liste de calculs supplémentaires à stocker et/ou effectuer",
70 listval = ["BMA", "OMA", "OMB", "Innovation"]
73 def run(self, Xb=None, Y=None, U=None, HO=None, EM=None, CM=None, R=None, B=None, Q=None, Parameters=None):
76 # Paramètres de pilotage
77 # ----------------------
78 self.setParameters(Parameters)
80 if self._parameters.has_key("Bounds") and (type(self._parameters["Bounds"]) is type([]) or type(self._parameters["Bounds"]) is type(())) and (len(self._parameters["Bounds"]) > 0):
81 Bounds = self._parameters["Bounds"]
82 logging.debug("%s Prise en compte des bornes effectuee"%(self._name,))
86 # Opérateur d'observation
87 # -----------------------
88 Hm = HO["Direct"].appliedTo
90 # Utilisation éventuelle d'un vecteur H(Xb) précalculé
91 # ----------------------------------------------------
92 if HO["AppliedToX"] is not None and HO["AppliedToX"].has_key("HXb"):
93 HXb = HO["AppliedToX"]["HXb"]
96 HXb = numpy.asmatrix(numpy.ravel( HXb )).T
98 # Calcul de l'innovation
99 # ----------------------
100 if Y.size != HXb.size:
101 raise ValueError("The size %i of observations Y and %i of observed calculation H(X) are different, they have to be identical."%(Y.size,HXb.size))
102 if max(Y.shape) != max(HXb.shape):
103 raise ValueError("The shapes %s of observations Y and %s of observed calculation H(X) are different, they have to be identical."%(Y.shape,HXb.shape))
106 # Définition de la fonction-coût
107 # ------------------------------
109 _X = numpy.asmatrix(numpy.ravel( x )).T
111 _HX = numpy.asmatrix(numpy.ravel( _HX )).T
115 if self._parameters["StoreInternalVariables"]:
116 self.StoredVariables["CurrentState"].store( _X )
117 self.StoredVariables["CostFunctionJb"].store( Jb )
118 self.StoredVariables["CostFunctionJo"].store( Jo )
119 self.StoredVariables["CostFunctionJ" ].store( J )
122 def GradientOfCostFunction(x):
123 _X = numpy.asmatrix(numpy.ravel( x )).T
124 Hg = HO["Tangent"].asMatrix( _X )
127 # Point de démarrage de l'optimisation : Xini = Xb
128 # ------------------------------------
129 if type(Xb) is type(numpy.matrix([])):
130 Xini = Xb.A1.tolist()
134 # Minimisation de la fonctionnelle
135 # --------------------------------
136 if self._parameters["Minimizer"] == "MMQR":
138 Minimum, J_optimal, Informations = mmqr.mmqr(
141 fprime = GradientOfCostFunction,
143 quantile = self._parameters["Quantile"],
144 maxfun = self._parameters["MaximumNumberOfSteps"],
145 toler = self._parameters["CostDecrementTolerance"],
148 nfeval = Informations[2]
151 raise ValueError("Error in Minimizer name: %s"%self._parameters["Minimizer"])
153 # Obtention de l'analyse
154 # ----------------------
155 Xa = numpy.asmatrix(numpy.ravel( Minimum )).T
157 self.StoredVariables["Analysis"].store( Xa.A1 )
159 # Calculs et/ou stockages supplémentaires
160 # ---------------------------------------
161 if "Innovation" in self._parameters["StoreSupplementaryCalculations"]:
162 self.StoredVariables["Innovation"].store( numpy.ravel(d) )
163 if "BMA" in self._parameters["StoreSupplementaryCalculations"]:
164 self.StoredVariables["BMA"].store( numpy.ravel(Xb - Xa) )
165 if "OMA" in self._parameters["StoreSupplementaryCalculations"]:
166 self.StoredVariables["OMA"].store( numpy.ravel(Y - Hm(Xa)) )
167 if "OMB" in self._parameters["StoreSupplementaryCalculations"]:
168 self.StoredVariables["OMB"].store( numpy.ravel(d) )
173 # ==============================================================================
174 if __name__ == "__main__":
175 print '\n AUTODIAGNOSTIC \n'