sc::BFGSUpdate(3)

NAME
sc::BFGSUpdate -

The DFPUpdate class is used to specify a Broyden, Fletcher, Goldfarb, and Shanno hessian update scheme'.

SYNOPSIS

#include <update.h>

Inherits sc::DFPUpdate'.

  Public Member Functions
BFGSUpdate (StateIn &)
BFGSUpdate (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'.
void update (const RefSymmSCMatrix &ihessian, const Ref< Function > &, const RefSCVector &xnew, const RefSCVector &gnew)

Detailed Description

The DFPUpdate class is used to specify a Broyden, Fletcher, Goldfarb, and Shanno hessian update scheme'. This hessian update method is the recommended method for use with QNewtonOpt objects'.

Member Function Documentation

  void sc::BFGSUpdate::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::DFPUpdate'.

Author

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