petsc-3.13.6 2020-09-29
MatGetSize
Returns the numbers of rows and columns in a matrix.
Synopsis
#include "petscmat.h"
PetscErrorCode MatGetSize(Mat mat,PetscInt *m,PetscInt *n)
Not Collective
Input Parameter
mat -the matrix
Output Parameters
| m | - the number of global rows
|
| n | - the number of global columns
|
Note: both output parameters can be NULL on input.
See Also
MatGetLocalSize()
Level
beginner
Location
src/mat/interface/matrix.c
Examples
src/mat/tutorials/ex4.c.html
src/mat/tutorials/ex10.c.html
src/mat/tutorials/ex12.c.html
src/mat/tutorials/ex16.c.html
src/mat/tutorials/ex17.c.html
src/mat/tutorials/ex4f.F90.html
src/mat/tutorials/ex17f.F90.html
src/ksp/ksp/tutorials/ex4.c.html
src/ksp/ksp/tutorials/ex59.c.html
src/ksp/ksp/tutorials/ex72.c.html
src/ksp/ksp/tutorials/ex73.c.html
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages