- CurrentIterationNumber : numéro courant d'itération dans les algorithmes itératifs, à partir de 0
- CurrentOptimum : état optimal courant lors d'itérations
- CurrentState : état courant lors d'itérations
+ - CurrentStepNumber : numéro courant de pas de mesure dans les algorithmes temporels
- GradientOfCostFunctionJ : gradient de la fonction-coût globale
- GradientOfCostFunctionJb : gradient de la partie ébauche de la fonction-coût
- GradientOfCostFunctionJo : gradient de la partie observations de la fonction-coût
self.StoredVariables["CurrentIterationNumber"] = Persistence.OneIndex(name = "CurrentIterationNumber")
self.StoredVariables["CurrentOptimum"] = Persistence.OneVector(name = "CurrentOptimum")
self.StoredVariables["CurrentState"] = Persistence.OneVector(name = "CurrentState")
+ self.StoredVariables["CurrentStepNumber"] = Persistence.OneIndex(name = "CurrentStepNumber")
self.StoredVariables["ForecastCovariance"] = Persistence.OneMatrix(name = "ForecastCovariance")
self.StoredVariables["ForecastState"] = Persistence.OneVector(name = "ForecastState")
self.StoredVariables["GradientOfCostFunctionJ"] = Persistence.OneVector(name = "GradientOfCostFunctionJ")
# Verbosité et logging
if logging.getLogger().level < logging.WARNING:
self._parameters["optiprint"], self._parameters["optdisp"] = 1, 1
- if PlatformInfo.has_scipy:
- import scipy.optimize
- self._parameters["optmessages"] = scipy.optimize.tnc.MSG_ALL
- else:
- self._parameters["optmessages"] = 15
+ self._parameters["optmessages"] = 15
else:
self._parameters["optiprint"], self._parameters["optdisp"] = -1, 0
- if PlatformInfo.has_scipy:
- import scipy.optimize
- self._parameters["optmessages"] = scipy.optimize.tnc.MSG_NONE
- else:
- self._parameters["optmessages"] = 15
+ self._parameters["optmessages"] = 0
#
return 0
self.StoredVariables["CostFunctionJb"] = Persistence.OneScalar(name = "CostFunctionJb")
self.StoredVariables["CostFunctionJo"] = Persistence.OneScalar(name = "CostFunctionJo")
self.StoredVariables["CurrentIterationNumber"] = Persistence.OneIndex(name = "CurrentIterationNumber")
+ self.StoredVariables["CurrentStepNumber"] = Persistence.OneIndex(name = "CurrentStepNumber")
#
self.__canonical_stored_name = {}
for k in self.StoredVariables:
elif __Series is not None:
self.__is_series = True
if isinstance(__Series, (tuple, list, numpy.ndarray, numpy.matrix, str)):
- #~ self.__V = Persistence.OneVector(self.__name, basetype=numpy.matrix)
self.__V = Persistence.OneVector(self.__name)
if isinstance(__Series, str):
__Series = PlatformInfo.strmatrix2liststr(__Series)
raise ValueError("The \"%s\" covariance matrix is not positive-definite. Please check your vector input."%(self.__name,))
if self.ismatrix() and (self.__check or logging.getLogger().level < logging.WARNING):
try:
- L = numpy.linalg.cholesky( self.__C )
+ numpy.linalg.cholesky( self.__C )
except:
raise ValueError("The %s covariance matrix is not symmetric positive-definite. Please check your matrix input."%(self.__name,))
if self.isobject() and (self.__check or logging.getLogger().level < logging.WARNING):
try:
- L = self.__C.cholesky()
+ self.__C.cholesky()
except:
raise ValueError("The %s covariance object is not symmetric positive-definite. Please check your matrix input."%(self.__name,))
return self.__C + numpy.asmatrix(other)
elif self.isvector() or self.isscalar():
_A = numpy.asarray(other)
- _A.reshape(_A.size)[::_A.shape[1]+1] += self.__C
+ if len(_A.shape) == 1:
+ _A.reshape((-1,1))[::2] += self.__C
+ else:
+ _A.reshape(_A.size)[::_A.shape[1]+1] += self.__C
return numpy.asmatrix(_A)
def __radd__(self, other):
if __mpEnabled:
_jobs = __xserie
# logging.debug("MULTF Internal multiprocessing calculations begin : evaluation of %i point(s)"%(len(_jobs),))
- import multiprocessing
with multiprocessing.Pool(__mpWorkers) as pool:
__multiHX = pool.map( _sFunction, _jobs )
pool.close()
# logging.debug("MULTF Internal multifonction calculations end")
return __multiHX
-# ==============================================================================
-def CostFunction3D(_x,
- _Hm = None, # Pour simuler Hm(x) : HO["Direct"].appliedTo
- _HmX = None, # Simulation déjà faite de Hm(x)
- _arg = None, # Arguments supplementaires pour Hm, sous la forme d'un tuple
- _BI = None,
- _RI = None,
- _Xb = None,
- _Y = None,
- _SIV = False, # A résorber pour la 8.0
- _SSC = [], # self._parameters["StoreSupplementaryCalculations"]
- _nPS = 0, # nbPreviousSteps
- _QM = "DA", # QualityMeasure
- _SSV = {}, # Entrée et/ou sortie : self.StoredVariables
- _fRt = False, # Restitue ou pas la sortie étendue
- _sSc = True, # Stocke ou pas les SSC
- ):
- """
- Fonction-coût générale utile pour les algorithmes statiques/3D : 3DVAR, BLUE
- et dérivés, Kalman et dérivés, LeastSquares, SamplingTest, PSO, SA, Tabu,
- DFO, QuantileRegression
- """
- if not _sSc:
- _SIV = False
- _SSC = {}
- else:
- for k in ["CostFunctionJ",
- "CostFunctionJb",
- "CostFunctionJo",
- "CurrentOptimum",
- "CurrentState",
- "IndexOfOptimum",
- "SimulatedObservationAtCurrentOptimum",
- "SimulatedObservationAtCurrentState",
- ]:
- if k not in _SSV:
- _SSV[k] = []
- if hasattr(_SSV[k],"store"):
- _SSV[k].append = _SSV[k].store # Pour utiliser "append" au lieu de "store"
- #
- _X = numpy.asmatrix(numpy.ravel( _x )).T
- if _SIV or "CurrentState" in _SSC or "CurrentOptimum" in _SSC:
- _SSV["CurrentState"].append( _X )
- #
- if _HmX is not None:
- _HX = _HmX
- else:
- if _Hm is None:
- raise ValueError("COSTFUNCTION3D Operator has to be defined.")
- if _arg is None:
- _HX = _Hm( _X )
- else:
- _HX = _Hm( _X, *_arg )
- _HX = numpy.asmatrix(numpy.ravel( _HX )).T
- #
- if "SimulatedObservationAtCurrentState" in _SSC or \
- "SimulatedObservationAtCurrentOptimum" in _SSC:
- _SSV["SimulatedObservationAtCurrentState"].append( _HX )
- #
- if numpy.any(numpy.isnan(_HX)):
- Jb, Jo, J = numpy.nan, numpy.nan, numpy.nan
- else:
- _Y = numpy.asmatrix(numpy.ravel( _Y )).T
- if _QM in ["AugmentedWeightedLeastSquares", "AWLS", "AugmentedPonderatedLeastSquares", "APLS", "DA"]:
- if _BI is None or _RI is None:
- raise ValueError("Background and Observation error covariance matrix has to be properly defined!")
- _Xb = numpy.asmatrix(numpy.ravel( _Xb )).T
- Jb = 0.5 * (_X - _Xb).T * _BI * (_X - _Xb)
- Jo = 0.5 * (_Y - _HX).T * _RI * (_Y - _HX)
- elif _QM in ["WeightedLeastSquares", "WLS", "PonderatedLeastSquares", "PLS"]:
- if _RI is None:
- raise ValueError("Observation error covariance matrix has to be properly defined!")
- Jb = 0.
- Jo = 0.5 * (_Y - _HX).T * _RI * (_Y - _HX)
- elif _QM in ["LeastSquares", "LS", "L2"]:
- Jb = 0.
- Jo = 0.5 * (_Y - _HX).T * (_Y - _HX)
- elif _QM in ["AbsoluteValue", "L1"]:
- Jb = 0.
- Jo = numpy.sum( numpy.abs(_Y - _HX) )
- elif _QM in ["MaximumError", "ME"]:
- Jb = 0.
- Jo = numpy.max( numpy.abs(_Y - _HX) )
- elif _QM in ["QR", "Null"]:
- Jb = 0.
- Jo = 0.
- else:
- raise ValueError("Unknown asked quality measure!")
- #
- J = float( Jb ) + float( Jo )
- #
- if _sSc:
- _SSV["CostFunctionJb"].append( Jb )
- _SSV["CostFunctionJo"].append( Jo )
- _SSV["CostFunctionJ" ].append( J )
- #
- if "IndexOfOptimum" in _SSC or \
- "CurrentOptimum" in _SSC or \
- "SimulatedObservationAtCurrentOptimum" in _SSC:
- IndexMin = numpy.argmin( _SSV["CostFunctionJ"][_nPS:] ) + _nPS
- if "IndexOfOptimum" in _SSC:
- _SSV["IndexOfOptimum"].append( IndexMin )
- if "CurrentOptimum" in _SSC:
- _SSV["CurrentOptimum"].append( _SSV["CurrentState"][IndexMin] )
- if "SimulatedObservationAtCurrentOptimum" in _SSC:
- _SSV["SimulatedObservationAtCurrentOptimum"].append( _SSV["SimulatedObservationAtCurrentState"][IndexMin] )
- #
- if _fRt:
- return _SSV
- else:
- if _QM in ["QR"]: # Pour le QuantileRegression
- return _HX
- else:
- return J
-
# ==============================================================================
if __name__ == "__main__":
print('\n AUTODIAGNOSTIC\n')
