ROL
Public Member Functions | Private Member Functions | Private Attributes | List of all members
ROL::GenMoreauYosidaCVaR< Real > Class Template Reference

#include <ROL_GenMoreauYosidaCVaR.hpp>

+ Inheritance diagram for ROL::GenMoreauYosidaCVaR< Real >:

Public Member Functions

 GenMoreauYosidaCVaR (Real prob, Real eps)
 Constructor. More...
 
 GenMoreauYosidaCVaR (Real prob, Real lam, Real eps)
 Constructor. More...
 
 GenMoreauYosidaCVaR (Teuchos::ParameterList &parlist)
 Constructor. More...
 
Real error (Real x, int deriv=0)
 
Real regret (Real x, int deriv=0)
 Evaluate the scalar regret function at x. More...
 
void checkRegret (void)
 Run default derivative tests for the scalar regret function. More...
 
- Public Member Functions inherited from ROL::ExpectationQuad< Real >
 ExpectationQuad (void)
 
void reset (Teuchos::RCP< Vector< Real > > &x0, const Vector< Real > &x)
 Reset internal risk measure storage. Called for value and gradient computation. More...
 
void reset (Teuchos::RCP< Vector< Real > > &x0, const Vector< Real > &x, Teuchos::RCP< Vector< Real > > &v0, const Vector< Real > &v)
 Reset internal risk measure storage. Called for Hessian-times-a-vector computation. More...
 
void update (const Real val, const Real weight)
 Update internal risk measure storage for value computation. More...
 
void update (const Real val, const Vector< Real > &g, const Real weight)
 Update internal risk measure storage for gradient computation. More...
 
void update (const Real val, const Vector< Real > &g, const Real gv, const Vector< Real > &hv, const Real weight)
 Update internal risk measure storage for Hessian-time-a-vector computation. More...
 
Real getValue (SampleGenerator< Real > &sampler)
 Return risk measure value. More...
 
void getGradient (Vector< Real > &g, SampleGenerator< Real > &sampler)
 Return risk measure (sub)gradient. More...
 
void getHessVec (Vector< Real > &hv, SampleGenerator< Real > &sampler)
 Return risk measure Hessian-times-a-vector. More...
 
- Public Member Functions inherited from ROL::RiskMeasure< Real >
virtual ~RiskMeasure ()
 
 RiskMeasure (void)
 

Private Member Functions

void checkInputs (void) const
 
void setParameters (void)
 

Private Attributes

Real prob_
 
Real lam_
 
Real eps_
 
Real alpha_
 
Real beta_
 
Real omp_
 
Real oma_
 
Real bmo_
 
Real lb_
 
Real ub_
 

Additional Inherited Members

- Protected Attributes inherited from ROL::RiskMeasure< Real >
Real val_
 
Real gv_
 
Teuchos::RCP< Vector< Real > > g_
 
Teuchos::RCP< Vector< Real > > hv_
 
Teuchos::RCP< Vector< Real > > dualVector_
 
bool firstReset_
 

Detailed Description

template<class Real>
class ROL::GenMoreauYosidaCVaR< Real >

Definition at line 105 of file ROL_GenMoreauYosidaCVaR.hpp.

Constructor & Destructor Documentation

◆ GenMoreauYosidaCVaR() [1/3]

template<class Real >
ROL::GenMoreauYosidaCVaR< Real >::GenMoreauYosidaCVaR ( Real  prob,
Real  eps 
)
inline

Constructor.

Parameters
[in]probis the confidence level
[in]epsis the regularization parameter

Definition at line 148 of file ROL_GenMoreauYosidaCVaR.hpp.

References ROL::GenMoreauYosidaCVaR< Real >::checkInputs(), and ROL::GenMoreauYosidaCVaR< Real >::setParameters().

◆ GenMoreauYosidaCVaR() [2/3]

template<class Real >
ROL::GenMoreauYosidaCVaR< Real >::GenMoreauYosidaCVaR ( Real  prob,
Real  lam,
Real  eps 
)
inline

Constructor.

Parameters
[in]probis the confidence level
[in]lamis the convex combination parameter
[in]epsis the regularization parameter

Definition at line 160 of file ROL_GenMoreauYosidaCVaR.hpp.

References ROL::GenMoreauYosidaCVaR< Real >::checkInputs(), and ROL::GenMoreauYosidaCVaR< Real >::setParameters().

◆ GenMoreauYosidaCVaR() [3/3]

template<class Real >
ROL::GenMoreauYosidaCVaR< Real >::GenMoreauYosidaCVaR ( Teuchos::ParameterList &  parlist)
inline

Constructor.

Parameters
[in]parlistis a parameter list specifying inputs

parlist should contain sublists "SOL"->"Risk Measure"->"Moreau-Yosida CVaR" and within the "Moreau-Yosida CVaR" sublist should have the following parameters

  • "Confidence Level" (between 0 and 1)
  • "Convex Combination Parameter" (between 0 and 1)
  • "Smoothing Parameter" (must be positive)

Definition at line 176 of file ROL_GenMoreauYosidaCVaR.hpp.

References ROL::GenMoreauYosidaCVaR< Real >::checkInputs(), and ROL::GenMoreauYosidaCVaR< Real >::setParameters().

Member Function Documentation

◆ checkInputs()

template<class Real >
void ROL::GenMoreauYosidaCVaR< Real >::checkInputs ( void  ) const
inlineprivate

◆ setParameters()

template<class Real >
void ROL::GenMoreauYosidaCVaR< Real >::setParameters ( void  )
inlineprivate

◆ error()

template<class Real >
Real ROL::GenMoreauYosidaCVaR< Real >::error ( Real  x,
int  deriv = 0 
)
inline

◆ regret()

template<class Real >
Real ROL::GenMoreauYosidaCVaR< Real >::regret ( Real  x,
int  deriv = 0 
)
inlinevirtual

Evaluate the scalar regret function at x.

Parameters
[in]xis the scalar input
[in]derivis the derivative order

This function returns \(v(x)\) or a derivative of \(v(x)\).

Implements ROL::ExpectationQuad< Real >.

Definition at line 193 of file ROL_GenMoreauYosidaCVaR.hpp.

References ROL::GenMoreauYosidaCVaR< Real >::alpha_, ROL::GenMoreauYosidaCVaR< Real >::beta_, and ROL::GenMoreauYosidaCVaR< Real >::eps_.

Referenced by ROL::GenMoreauYosidaCVaR< Real >::checkRegret(), and ROL::GenMoreauYosidaCVaR< Real >::error().

◆ checkRegret()

template<class Real >
void ROL::GenMoreauYosidaCVaR< Real >::checkRegret ( void  )
inlinevirtual

Member Data Documentation

◆ prob_

template<class Real >
Real ROL::GenMoreauYosidaCVaR< Real >::prob_
private

◆ lam_

template<class Real >
Real ROL::GenMoreauYosidaCVaR< Real >::lam_
private

◆ eps_

template<class Real >
Real ROL::GenMoreauYosidaCVaR< Real >::eps_
private

◆ alpha_

template<class Real >
Real ROL::GenMoreauYosidaCVaR< Real >::alpha_
private

◆ beta_

template<class Real >
Real ROL::GenMoreauYosidaCVaR< Real >::beta_
private

◆ omp_

template<class Real >
Real ROL::GenMoreauYosidaCVaR< Real >::omp_
private

Definition at line 115 of file ROL_GenMoreauYosidaCVaR.hpp.

◆ oma_

template<class Real >
Real ROL::GenMoreauYosidaCVaR< Real >::oma_
private

◆ bmo_

template<class Real >
Real ROL::GenMoreauYosidaCVaR< Real >::bmo_
private

◆ lb_

template<class Real >
Real ROL::GenMoreauYosidaCVaR< Real >::lb_
private

◆ ub_

template<class Real >
Real ROL::GenMoreauYosidaCVaR< Real >::ub_
private

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