#include "petscmat.h" PetscErrorCode MatGetArray(Mat mat,PetscScalar *v[])Not Collective
Mat mat PetscScalar mat_array(1) PetscOffset i_mat PetscErrorCode ierr call MatGetArray(mat,mat_array,i_mat,ierr) C Access first local entry in matrix; note that array is C treated as one dimensional value = mat_array(i_mat + 1) [... other code ...] call MatRestoreArray(mat,mat_array,i_mat,ierr)
See the Fortran chapter of the users manual and petsc/src/mat/examples/tests for details.
PetscScalar* MatGetArray(Mat mat) | -> | MatGetArray(mat,&a); return a; |
Level:advanced
Location:src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages