petsc-3.7.1 2016-05-15
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TaoSubsetType

PetscInt representing the way TAO handles active sets

Synopsis

typedef enum {TAO_SUBSET_SUBVEC,TAO_SUBSET_MASK,TAO_SUBSET_MATRIXFREE} TaoSubsetType;
TAO_SUBSET_SUBVEC - TAO uses PETSc's MatGetSubMatrix and VecGetSubVector Many br
TAO_SUBSET_MASK - Matrices are zeroed out corresponding to active set entries Many br
TAO_SUBSET_MATRIXFREE - Same as TAO_SUBSET_MASK, but can be applied to matrix-free operators Many br

Options database keys

-different_hessian -TAO will use a copy of the hessian operator for masking. By default Many brTAO will directly alter the hessian operator. Many br Many br

Level:intermediate
Location:
src/tao/../../include/petsctao.h
Index of all Tao routines
Table of Contents for all manual pages
Index of all manual pages