#include "petscmat.h" int MatGetArray(Mat mat,PetscScalar *v[])Not Collective
Mat mat
PetscScalar mat_array(1)
PetscOffset i_mat
int 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.
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