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/ex60.c
src/ksp/ksp/tutorials/ex27.c
src/ksp/pc/tutorials/ex4.c
src/ksp/ksp/tutorials/ex72.c
src/ksp/ksp/tutorials/ex73.c
src/ksp/ksp/tutorials/ex81a.c
src/ksp/ksp/tutorials/ex81.c
src/ksp/ksp/tutorials/ex59.c
src/ts/tutorials/ex14.c
src/ksp/ksp/tutorials/ex77.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages