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/mat/tutorials/ex17.c
src/mat/tutorials/ex16.c
src/mat/tutorials/ex4.c
src/tao/leastsquares/tutorials/tomography.c
src/mat/tutorials/ex12.c
src/mat/tutorials/ex17f.F90
src/tao/constrained/tutorials/maros.c
src/tao/constrained/tutorials/tomographyADMM.c
src/mat/tutorials/ex10.c
src/mat/tutorials/ex4f.F90
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages