PETSc version 3.15.5
MatGetOwnershipRangeColumn
Returns the range of matrix columns associated with rows of a vector one multiplies by that owned by this processor. (The columns of the "diagonal block") 
Synopsis
#include "petscmat.h" 
PetscErrorCode MatGetOwnershipRangeColumn(Mat mat,PetscInt *m,PetscInt *n)
Not Collective, unless matrix has not been allocated, then collective on Mat
Input Parameters
Output Parameters
|  | m | - the global index of the first local column | 
|  | n | - one more than the global index of the last local column | 
Notes
both output parameters can be NULL on input.
See Also
  MatGetOwnershipRange(), MatGetOwnershipRanges(), MatGetOwnershipRangesColumn()
Level
developer
Location
src/mat/interface/matrix.c
Examples
src/mat/tutorials/ex10.c.html
src/snes/tutorials/ex48.c.html
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages