NAME

       sc::PowellUpdate - The PowellUpdate class is used to specify a Powell hessian update.

SYNOPSIS

       #include <update.h>

       Inherits sc::HessianUpdate.

   Public Member Functions
       PowellUpdate (StateIn &)
       PowellUpdate (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 > &func, const
           RefSCVector &xnew, const RefSCVector &gnew)
       void apply_transform (const Ref< NonlinearTransform > &)

   Protected Attributes
       RefSCVector xprev
       RefSCVector gprev

   Additional Inherited Members

Detailed Description

       The PowellUpdate class is used to specify a Powell hessian update.

       This hessian update method is the recommended method for use with transition state
       searches (the EFCOpt class can be used for transition state searches).

Member Function Documentation

   void sc::PowellUpdate::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::HessianUpdate.

Author

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