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#
Matrices, Mat, MatSetSizes(), MatGetLocalSize()
Level#
beginner
Location#
Examples#
src/ksp/ksp/tutorials/ex59.c
src/ksp/ksp/tutorials/ex4.c
src/ksp/ksp/tutorials/ex77.c
src/ksp/ksp/tutorials/ex81.c
src/ksp/ksp/tutorials/ex73.c
src/ksp/ksp/tutorials/ex81a.c
src/ksp/ksp/tutorials/ex27.c
src/ksp/ksp/tutorials/ex72.c
src/ksp/ksp/tutorials/ex60.c
src/ksp/ksp/tutorials/ex71.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages