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sc::DFPUpdate(3) MPQC sc::DFPUpdate(3)

sc::DFPUpdate - The DFPUpdate class is used to specify a Davidson, Fletcher, and Powell hessian update scheme.

#include <update.h>

Inherits sc::HessianUpdate.

Inherited by sc::BFGSUpdate.


DFPUpdate (StateIn &)
DFPUpdate (const Ref< KeyVal > &)
The KeyVal constructor reads the following keywords: 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)
void apply_transform (const Ref< NonlinearTransform > &)
void set_inverse ()


RefSCVector xprev
RefSCVector gprev

The DFPUpdate class is used to specify a Davidson, Fletcher, and Powell hessian update scheme.

The KeyVal constructor reads the following keywords:
xprev
The previous coordinates can be given (but is not recommended). The default is none.
gprev
The previous gradient can be given (but is not recommended). The default is none.

Reimplemented from sc::HessianUpdate.

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.

Reimplemented in sc::BFGSUpdate.

Reimplemented from sc::HessianUpdate.

Implements sc::HessianUpdate.

Generated automatically by Doxygen for MPQC from the source code.
Tue Jun 7 2022 Version 2.3.1

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