# Author: Jean-Philippe Argaud, jean-philippe.argaud@edf.fr, EDF R&D
import math, numpy
-from daCore import BasicObjects, PlatformInfo
+from daCore import BasicObjects, NumericObjects, PlatformInfo
mpr = PlatformInfo.PlatformInfo().MachinePrecision()
# ==============================================================================
FX = numpy.ravel( Hm( X ) ).reshape((-1,1))
NormeX = numpy.linalg.norm( X )
NormeFX = numpy.linalg.norm( FX )
+ if NormeFX < mpr: NormeFX = mpr
if self._toStore("CurrentState"):
self.StoredVariables["CurrentState"].store( X )
if self._toStore("SimulatedObservationAtCurrentState"):
self.StoredVariables["SimulatedObservationAtCurrentState"].store( FX )
#
- if len(self._parameters["InitialDirection"]) == 0:
- dX0 = []
- for v in X:
- if abs(v) > 1.e-8:
- dX0.append( numpy.random.normal(0.,abs(v)) )
- else:
- dX0.append( numpy.random.normal(0.,X.mean()) )
- else:
- dX0 = numpy.ravel( self._parameters["InitialDirection"] )
- #
- dX0 = float(self._parameters["AmplitudeOfInitialDirection"]) * numpy.ravel( dX0 ).reshape((-1,1))
+ dX0 = NumericObjects.SetInitialDirection(
+ self._parameters["InitialDirection"],
+ self._parameters["AmplitudeOfInitialDirection"],
+ X,
+ )
#
if self._parameters["ResiduFormula"] in ["Taylor", "TaylorOnNorm"]:
- dX1 = float(self._parameters["AmplitudeOfTangentPerturbation"]) * dX0
+ dX1 = float(self._parameters["AmplitudeOfTangentPerturbation"]) * dX0.reshape((-1,1))
GradFxdX = Ht( (X, dX1) )
GradFxdX = numpy.ravel( GradFxdX ).reshape((-1,1))
GradFxdX = float(1./self._parameters["AmplitudeOfTangentPerturbation"]) * GradFxdX
NormesdFXGdX = []
#
for i,amplitude in enumerate(Perturbations):
- dX = amplitude * dX0
+ dX = amplitude * dX0.reshape((-1,1))
#
FX_plus_dX = Hm( X + dX )
FX_plus_dX = numpy.ravel( FX_plus_dX ).reshape((-1,1))