petsc-3.7.7 2017-09-25
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
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/mat/examples/tutorials/ex4.c.html
src/mat/examples/tutorials/ex10.c.html
src/mat/examples/tutorials/ex16.c.html
src/mat/examples/tutorials/ex17.c.html
src/ksp/ksp/examples/tutorials/ex10.c.html
src/snes/examples/tutorials/ex12.c.html
src/snes/examples/tutorials/ex48.c.html
src/snes/examples/tutorials/ex74f.F90.html
src/ts/examples/tutorials/ex14.c.html
src/tao/constrained/examples/tutorials/maros.c.html