slepc-3.22.2 2024-12-02
MatCreateVecsEmpty
Get vector(s) compatible with the matrix, i.e. with the same parallel layout, but without internal array.
Synopsis
#include "slepcsys.h"
PetscErrorCode MatCreateVecsEmpty(Mat mat,Vec *right,Vec *left)
Collective
Input Parameter
Output Parameters
| right | - (optional) vector that the matrix can be multiplied against
|
| left | - (optional) vector that the matrix vector product can be stored in
|
Note
This is similar to MatCreateVecs(), but the new vectors do not have an internal
array, so the intended usage is with VecPlaceArray().
See Also
VecDuplicateEmpty()
Level
developer
Location
src/sys/mat/matutil.c
Index of all sys routines
Table of Contents for all manual pages
Index of all manual pages