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IMP Reference Guide  develop.97bab1d8fd,2021/09/21
The Integrative Modeling Platform
IMP::gsl::QuasiNewton Class Reference

A quasi-Newton optimizer taken from GSL. More...

#include <IMP/gsl/QuasiNewton.h>

+ Inheritance diagram for IMP::gsl::QuasiNewton:

Detailed Description

A quasi-Newton optimizer taken from GSL.

Warning: QuasiNewton has not been well tested yet
Use with caution and please report any bugs found.

Definition at line 20 of file QuasiNewton.h.

Public Member Functions

 QuasiNewton (Model *m)
 
virtual Float do_optimize (unsigned int max_steps)
 override this function to do actual optimization More...
 
virtual std::string get_type_name () const
 
virtual ::IMP::VersionInfo get_version_info () const
 Get information about the module and version of the object. More...
 
void set_initial_step (double length)
 
void set_line_step (double d)
 
void set_minimum_gradient (double d)
 
- Public Member Functions inherited from IMP::gsl::GSLOptimizer
 GSLOptimizer (Model *m)
 
void set_stop_score (double d)
 Stop the optimization if the score falls below this value. More...
 
- Public Member Functions inherited from IMP::AttributeOptimizer
 AttributeOptimizer (Model *m, std::string name="Optimizer %1%")
 
- Public Member Functions inherited from IMP::Optimizer
 Optimizer (Model *m, std::string name="Optimizer %1%")
 
double get_last_score () const
 Return the score found in the last evaluate. More...
 
ScoringFunctionget_scoring_function () const
 Return the scoring function that is being used. More...
 
bool get_stop_on_good_score () const
 
double optimize (unsigned int max_steps)
 Optimize the model for up to max_steps iterations. More...
 
virtual void set_scoring_function (ScoringFunctionAdaptor sf)
 Set the scoring function to use. More...
 
void set_stop_on_good_score (bool tf)
 
void remove_optimizer_state (OptimizerState *d)
 
void remove_optimizer_states (const OptimizerStates &d)
 
void set_optimizer_states (const OptimizerStates &ps)
 
void set_optimizer_states_order (const OptimizerStates &objs)
 
unsigned int add_optimizer_state (OptimizerState *obj)
 
void add_optimizer_states (const OptimizerStates &objs)
 
void clear_optimizer_states ()
 
unsigned int get_number_of_optimizer_states () const
 
bool get_has_optimizer_states ()
 
OptimizerStateget_optimizer_state (unsigned int i) const
 
OptimizerStates get_optimizer_states () const
 
void reserve_optimizer_states (unsigned int sz)
 
- Public Member Functions inherited from IMP::ModelObject
 ModelObject (Model *m, std::string name)
 
bool get_has_dependencies () const
 Return whether this object has dependencies computed. More...
 
bool get_has_required_score_states () const
 Return whether score states are computed. More...
 
ModelObjectsTemp get_inputs () const
 
ModelObjectsTemps get_interactions () const
 Get the interacting sets induced by this ModelObject. More...
 
Modelget_model () const
 
ModelObjectsTemp get_outputs () const
 
const ScoreStatesTempget_required_score_states () const
 Get the score states that are ancestors of this in the dependency graph. More...
 
void set_has_dependencies (bool tf)
 Either invalidate the dependencies or ensure they are correct. More...
 
void set_has_required_score_states (bool tf)
 Compute the required score states. More...
 
- Public Member Functions inherited from IMP::Object
virtual void clear_caches ()
 
CheckLevel get_check_level () const
 
LogLevel get_log_level () const
 
void set_check_level (CheckLevel l)
 
void set_log_level (LogLevel l)
 Set the logging level used in this object. More...
 
void set_was_used (bool tf) const
 
void show (std::ostream &out=std::cout) const
 
const std::string & get_name () const
 
void set_name (std::string name)
 

Additional Inherited Members

- Protected Member Functions inherited from IMP::AttributeOptimizer
double get_width (FloatKey k) const
 
FloatIndexes get_optimized_attributes () const
 
void set_value (FloatIndex fi, double v) const
 
Float get_value (FloatIndex fi) const
 
Float get_derivative (FloatIndex fi) const
 
void set_scaled_value (FloatIndex fi, Float v) const
 
double get_scaled_value (FloatIndex fi) const
 
double get_scaled_derivative (FloatIndex fi) const
 
void clear_range_cache ()
 Clear the cache of range information. Do this at the start of. More...
 
- Protected Member Functions inherited from IMP::Optimizer
virtual ModelObjectsTemp do_get_inputs () const
 
virtual ModelObjectsTemp do_get_outputs () const
 don't return anything here to avoid pointless dependencies More...
 
ModelObjectsTemp get_optimizer_state_inputs () const
 
void update_states () const
 Update optimizer states, should be called at each successful step. More...
 
- Protected Member Functions inherited from IMP::ModelObject
virtual ModelObjectsTemps do_get_interactions () const
 
virtual void handle_set_has_required_score_states (bool)
 
- Protected Member Functions inherited from IMP::Object
 Object (std::string name)
 Construct an object with the given name. More...
 
virtual void do_destroy ()
 

Member Function Documentation

virtual Float IMP::gsl::QuasiNewton::do_optimize ( unsigned int  ns)
virtual

override this function to do actual optimization

Implements IMP::Optimizer.

virtual ::IMP::VersionInfo IMP::gsl::QuasiNewton::get_version_info ( ) const
virtual

Get information about the module and version of the object.

Reimplemented from IMP::Object.

Definition at line 49 of file QuasiNewton.h.


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