sc::LineOpt(3) MPQC sc::LineOpt(3)NAMEsc::LineOpt - The LineOpt abstract class is used to perform one
dimensional optimizations.
SYNOPSIS
#include <opt.h>
Inherits sc::Optimize.
Inherited by sc::Backtrack, and sc::MCSearch.
Public Member Functions
LineOpt (StateIn &)
LineOpt (const Ref< KeyVal > &)
void save_data_state (StateOut &)
Save the base classes (with save_data_state) and the members in the
same order that the StateIn CTOR initializes them.
virtual void init (RefSCVector &direction)
Initializes the line search object.
virtual void init (RefSCVector &direction, Ref< Function > function)
Initializes the line search object.
void apply_transform (const Ref< NonlinearTransform > &)
Applies a nonlinear transform.
double decrease_factor ()
Returns factor for sufficient decrease test.
double set_decrease_factor (double factor)
Sets factor for sufficient decrease test.
Protected Member Functions
int sufficient_decrease (RefSCVector &step)
Protected Attributes
double decrease_factor_
RefSCVector initial_x_
double initial_value_
RefSCVector initial_grad_
RefSCVector search_direction_
Ref< Function > function_
Additional Inherited Members
Detailed Description
The LineOpt abstract class is used to perform one dimensional
optimizations.
Member Function Documentation
virtual void sc::LineOpt::init (RefSCVector & direction) [virtual]
Initializes the line search object. Argument is a search direction. Use
of this method assumes the Optimize base class already has a function
object (got it from a keyval or elsewhere).
Reimplemented in sc::MCSearch.
virtual void sc::LineOpt::init (RefSCVector & direction, Ref< Function >
function) [virtual]
Initializes the line search object. First argument is a search
direction, second argument is a function object to optimize. Use this
method when a function must be passed to the Optimize base class.
Reimplemented in sc::MCSearch.
void sc::LineOpt::save_data_state (StateOut &) [virtual]
Save the base classes (with save_data_state) and the members in the
same order that the StateIn CTOR initializes them. This must be
implemented by the derived class if the class has data.
Reimplemented from sc::Optimize.
Author
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Version 2.3.1 Fri Feb 19 2016 sc::LineOpt(3)
