# Author: Jean-Philippe Argaud, jean-philippe.argaud@edf.fr, EDF R&D
import numpy
-from daCore import BasicObjects, PlatformInfo
+from daCore import BasicObjects, NumericObjects, PlatformInfo
mpr = PlatformInfo.PlatformInfo().MachinePrecision()
# ==============================================================================
#
# Calcul du point courant
# -----------------------
- Xn = numpy.asmatrix(numpy.ravel( Xb )).T
- FX = numpy.asmatrix(numpy.ravel( Hm( Xn ) )).T
+ Xn = numpy.ravel( Xb ).reshape((-1,1))
+ FX = numpy.ravel( Hm( Xn ) ).reshape((-1,1))
NormeX = numpy.linalg.norm( Xn )
NormeFX = numpy.linalg.norm( FX )
if self._toStore("CurrentState"):
- self.StoredVariables["CurrentState"].store( numpy.ravel(Xn) )
+ self.StoredVariables["CurrentState"].store( Xn )
if self._toStore("SimulatedObservationAtCurrentState"):
- self.StoredVariables["SimulatedObservationAtCurrentState"].store( numpy.ravel(FX) )
+ self.StoredVariables["SimulatedObservationAtCurrentState"].store( FX )
#
- # Fabrication de la direction de l'increment dX
- # ---------------------------------------------
- if len(self._parameters["InitialDirection"]) == 0:
- dX0 = []
- for v in Xn.A1:
- if abs(v) > 1.e-8:
- dX0.append( numpy.random.normal(0.,abs(v)) )
- else:
- dX0.append( numpy.random.normal(0.,Xn.mean()) )
- else:
- dX0 = numpy.ravel( self._parameters["InitialDirection"] )
- #
- dX0 = float(self._parameters["AmplitudeOfInitialDirection"]) * numpy.matrix( dX0 ).T
+ dX0 = NumericObjects.SetInitialDirection(
+ self._parameters["InitialDirection"],
+ self._parameters["AmplitudeOfInitialDirection"],
+ Xn,
+ )
#
# Calcul du gradient au point courant X pour l'increment dX
# qui est le tangent en X multiplie par dX
# ---------------------------------------------------------
dX1 = float(self._parameters["AmplitudeOfTangentPerturbation"]) * dX0
GradFxdX = Ht( (Xn, dX1) )
- GradFxdX = numpy.asmatrix(numpy.ravel( GradFxdX )).T
+ GradFxdX = numpy.ravel( GradFxdX ).reshape((-1,1))
GradFxdX = float(1./self._parameters["AmplitudeOfTangentPerturbation"]) * GradFxdX
NormeGX = numpy.linalg.norm( GradFxdX )
+ if NormeGX < mpr: NormeGX = mpr
#
# Entete des resultats
# --------------------
# Boucle sur les perturbations
# ----------------------------
for i,amplitude in enumerate(Perturbations):
- dX = amplitude * dX0
+ dX = amplitude * dX0.reshape((-1,1))
#
if self._parameters["ResiduFormula"] == "Taylor":
- FX_plus_dX = numpy.asmatrix(numpy.ravel( Hm( Xn + dX ) )).T
+ FX_plus_dX = numpy.ravel( Hm( Xn + dX ) ).reshape((-1,1))
#
Residu = numpy.linalg.norm( FX_plus_dX - FX ) / (amplitude * NormeGX)
#