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)

   Additional Inherited Members

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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