MatCreateLMVMDQN#
Creates a dense representation of the limited-memory Quasi-Newton approximation to a Hessian.
Synopsis#
#include "petscksp.h"
PetscErrorCode MatCreateLMVMDQN(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, MATLMVMDDFP, MatCreateLMVMDDFP(), MatCreateLMVMDBFGS()
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