LOCA::AnasaziOperator::JacobianInverse Class Reference

Anasazi operator for computing eigenvalues of the inverse-Jacobian. More...

#include <LOCA_AnasaziOperator_JacobianInverse.H>

Inheritance diagram for LOCA::AnasaziOperator::JacobianInverse:

Collaboration diagram for LOCA::AnasaziOperator::JacobianInverse:

Public Member Functions
	JacobianInverse (const Teuchos::RCP< LOCA::GlobalData > &global_data, const Teuchos::RCP< LOCA::Parameter::SublistParser > &topParams, const Teuchos::RCP< Teuchos::ParameterList > &eigenParams, const Teuchos::RCP< Teuchos::ParameterList > &solverParams, const Teuchos::RCP< NOX::Abstract::Group > &grp)
	Constructor.
virtual	~JacobianInverse ()
	Destructor.
virtual const std::string &	label () const
	Return name of this operator.
virtual void	apply (const NOX::Abstract::MultiVector &input, NOX::Abstract::MultiVector &output) const
	Apply the operator. More...
virtual void	beginPostProcessing ()
	Begin PostProcessing of eigenvalues. More...
virtual void	transformEigenvalue (double &ev_r, double &ev_i) const
	Transform eigenvalue. More...
virtual NOX::Abstract::Group::ReturnType	rayleighQuotient (NOX::Abstract::Vector &evec_r, NOX::Abstract::Vector &evec_i, double &rq_r, double &rq_i) const
	Compute Rayleigh quotient. More...
Public Member Functions inherited from LOCA::AnasaziOperator::AbstractStrategy
	AbstractStrategy ()
	Constructor.
virtual	~AbstractStrategy ()
	Destructor.
virtual void	preProcessSeedVector (NOX::Abstract::MultiVector &)
	Give strategy an opportunit to massage the random seed vector.

Protected Attributes
Teuchos::RCP< LOCA::GlobalData >	globalData
	Global data.
std::string	myLabel
	Name of this operator.
Teuchos::RCP < Teuchos::ParameterList >	eigenParams
	Stores parameters relating to the operator.
Teuchos::RCP < Teuchos::ParameterList >	solverParams
	Stores linear solver parameters.
Teuchos::RCP < NOX::Abstract::Group >	grp
	Stores group representing Jacobian.
Teuchos::RCP < NOX::Abstract::Vector >	tmp_r
	Stores a temporary vector for computing Rayleigh quotients.
Teuchos::RCP < NOX::Abstract::Vector >	tmp_i
	Stores a temporary vector for computing Rayleigh quotients.

Detailed Description

Anasazi operator for computing eigenvalues of the inverse-Jacobian.

This class implements the LOCA::AnasaziOperator::AbstractStrategy interface for computing eigenvalues of the inverse-Jacobian.

Member Function Documentation

void LOCA::AnasaziOperator::JacobianInverse::apply ( const NOX::Abstract::MultiVector &  input, NOX::Abstract::MultiVector &  output  ) const

virtual

Apply the operator.

Computes .

Implements LOCA::AnasaziOperator::AbstractStrategy.

void LOCA::AnasaziOperator::JacobianInverse::beginPostProcessing ( )

virtual

Begin PostProcessing of eigenvalues.

Compute Jacobian matrix once, for use in subsequent repeated calls to rayleighQuotient

Reimplemented from LOCA::AnasaziOperator::AbstractStrategy.

NOX::Abstract::Group::ReturnType LOCA::AnasaziOperator::JacobianInverse::rayleighQuotient ( NOX::Abstract::Vector &  evec_r, NOX::Abstract::Vector &  evec_i, double &  rq_r, double &  rq_i  ) const

virtual

Compute Rayleigh quotient.

Computes the Rayleigh quotient for the eigenvector .

Implements LOCA::AnasaziOperator::AbstractStrategy.

References NOX::Abstract::Vector::clone(), NOX::Abstract::Vector::innerProduct(), NOX::Abstract::Group::Ok, and NOX::ShapeCopy.

void LOCA::AnasaziOperator::JacobianInverse::transformEigenvalue ( double &  ev_r, double &  ev_i  ) const

virtual

Transform eigenvalue.

Transforms the given eigenvalue to the eigenvalue of the Jacobian by inverting it.

Implements LOCA::AnasaziOperator::AbstractStrategy.

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The documentation for this class was generated from the following files:

• LOCA_AnasaziOperator_JacobianInverse.H
• LOCA_AnasaziOperator_JacobianInverse.C