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

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Index of all KSP routines
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