MatDenseRestoreColumnVecWrite

Returns access to a column of a dense matrix obtained from MatDenseGetColumnVecWrite().

Synopsis

#include "petscmat.h" 
PetscErrorCode MatDenseRestoreColumnVecWrite(Mat A, PetscInt col, Vec *v)

Collective

Input Parameters

• A - the Mat object

• col - the column index

• v - the Vec object (may be NULL)

See Also

Matrices, Mat, MATDENSE, MATDENSECUDA, MATDENSEHIP, MatDenseGetColumnVec(), MatDenseGetColumnVecRead(), MatDenseGetColumnVecWrite(), MatDenseRestoreColumnVec(), MatDenseRestoreColumnVecRead()

Level

intermediate

Location

src/mat/impls/dense/seq/dense.c

Examples

src/mat/tests/ex237.c
src/mat/tests/ex241.c
src/mat/tests/ex268.c
src/mat/tests/ex318.c
src/mat/tests/ex70.c
src/ksp/ksp/tests/ex90.c
src/snes/tests/ex8.c

Implementations

MatDenseRestoreColumnVecWrite_MPIDense() in src/mat/impls/dense/mpi/mpidense.c
MatDenseRestoreColumnVecWrite_SeqDense() in src/mat/impls/dense/seq/dense.c

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