MatCreateLMVMDBFGS#

Creates a dense representation of the limited-memory Broyden-Fletcher-Goldfarb-Shanno (BFGS) approximation to a Hessian.

Synopsis#

#include "petscksp.h" 
PetscErrorCode MatCreateLMVMDBFGS(MPI_Comm comm, PetscInt n, PetscInt N, Mat *B)

Collective

Input Parameters#

  • comm - MPI communicator

  • n - number of local rows for storage vectors

  • N - global size of the storage vectors

Output Parameter#

  • B - the matrix

Note#

It is recommended that one use the MatCreate(), MatSetType() and/or MatSetFromOptions() paradigm instead of this routine directly.

See Also#

MatCreate(), MATLMVM, MATLMVMDBFGS, MatCreateLMVMBFGS()

Level#

advanced

Location#

src/ksp/ksp/utils/lmvm/dense/denseqn.c

Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages