Provides the interface to compute optimization steps with a secant method. More...
#include <ROL_QuasiNewton_U.hpp>
Inheritance diagram for ROL::QuasiNewton_U< Real >:
Public Member Functions | |
| QuasiNewton_U (ParameterList &parlist, const Ptr< Secant< Real >> &secant=nullPtr) | |
| Constructor. More... | |
| void | compute (Vector< Real > &s, Real &snorm, Real &sdotg, int &iter, int &flag, const Vector< Real > &x, const Vector< Real > &g, Objective< Real > &obj) override |
| void | update (const Vector< Real > &x, const Vector< Real > &s, const Vector< Real > &gold, const Vector< Real > &gnew, const Real snorm, const int iter) override |
| std::string | printName (void) const override |
| Public Member Functions inherited from ROL::DescentDirection_U< Real > | |
| virtual | ~DescentDirection_U () |
| virtual void | initialize (const Vector< Real > &x, const Vector< Real > &g) |
Private Attributes | |
| Ptr< Secant< Real > > | secant_ |
| Secant object (used for quasi-Newton) More... | |
| ESecant | esec_ |
| Secant type. More... | |
| std::string | secantName_ |
| Secant name. More... | |
Detailed Description
template<typename Real>
class ROL::QuasiNewton_U< Real >
Provides the interface to compute optimization steps with a secant method.
Definition at line 61 of file ROL_QuasiNewton_U.hpp.
Constructor & Destructor Documentation
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inline |
Constructor.
Constructor to build a QuasiNewton object with a user-defined secant object. Algorithmic specifications are passed in through a ROL::ParameterList.
- Parameters
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[in] parlist is a parameter list containing algorithmic specifications [in] secant is a user-defined secant object
Definition at line 79 of file ROL_QuasiNewton_U.hpp.
References ROL::QuasiNewton_U< Real >::esec_, ROL::QuasiNewton_U< Real >::secant_, ROL::QuasiNewton_U< Real >::secantName_, and ROL::StringToESecant().
Member Function Documentation
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inlineoverridevirtual |
Implements ROL::DescentDirection_U< Real >.
Definition at line 94 of file ROL_QuasiNewton_U.hpp.
References ROL::Vector< Real >::apply(), ROL::Vector< Real >::dual(), ROL::Vector< Real >::norm(), ROL::Vector< Real >::scale(), ROL::QuasiNewton_U< Real >::secant_, and ROL::Vector< Real >::set().
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inlineoverridevirtual |
Reimplemented from ROL::DescentDirection_U< Real >.
Definition at line 110 of file ROL_QuasiNewton_U.hpp.
References ROL::QuasiNewton_U< Real >::secant_.
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inlineoverridevirtual |
Reimplemented from ROL::DescentDirection_U< Real >.
Definition at line 117 of file ROL_QuasiNewton_U.hpp.
References ROL::QuasiNewton_U< Real >::secantName_.
Member Data Documentation
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private |
Secant object (used for quasi-Newton)
Definition at line 64 of file ROL_QuasiNewton_U.hpp.
Referenced by ROL::QuasiNewton_U< Real >::compute(), ROL::QuasiNewton_U< Real >::QuasiNewton_U(), and ROL::QuasiNewton_U< Real >::update().
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private |
Secant type.
Definition at line 65 of file ROL_QuasiNewton_U.hpp.
Referenced by ROL::QuasiNewton_U< Real >::QuasiNewton_U().
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private |
Secant name.
Definition at line 66 of file ROL_QuasiNewton_U.hpp.
Referenced by ROL::QuasiNewton_U< Real >::printName(), and ROL::QuasiNewton_U< Real >::QuasiNewton_U().
The documentation for this class was generated from the following file:
