petsc-master 2018-01-17
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MatScale

Scales all elements of a matrix by a given number.

Synopsis

#include "petscmat.h" 
PetscErrorCode MatScale(Mat mat,PetscScalar a)
Logically Collective on Mat

Input Parameters

mat - the matrix to be scaled
a - the scaling value

Output Parameter

mat -the scaled matrix

See Also

MatDiagonalScale()

Level:intermediate
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/ex8.c.html
src/ksp/ksp/examples/tutorials/ex56.c.html
src/snes/examples/tutorials/ex70.c.html
src/tao/unconstrained/examples/tutorials/eptorsion2.c.html
src/tao/pde_constrained/examples/tutorials/elliptic.c.html
src/tao/pde_constrained/examples/tutorials/parabolic.c.html
src/tao/pde_constrained/examples/tutorials/hyperbolic.c.html

Implementations

MatScale_MPIAIJ in src/mat/impls/aij/mpi/mpiaij.c
MatScale_SeqAIJ in src/mat/impls/aij/seq/aij.c
MatScale_SeqAIJMKL in src/mat/impls/aij/seq/aijmkl/aijmkl.c
MatScale_MPIBAIJ in src/mat/impls/baij/mpi/mpibaij.c
MatScale_SeqBAIJ in src/mat/impls/baij/seq/baij2.c
MatScale_SeqBAIJMKL in src/mat/impls/baij/seq/baijmkl/baijmkl.c
MatScale_Composite in src/mat/impls/composite/mcomposite.c
MatScale_MPIDense in src/mat/impls/dense/mpi/mmdense.c
MatScale_SeqDense in src/mat/impls/dense/seq/dense.c
MatScale_Elemental in src/mat/impls/elemental/matelem.c
MatScale_HYPRE in src/mat/impls/hypre/mhypre.c
MatScale_IS in src/mat/impls/is/matis.c
MatScale_MFFD in src/mat/impls/mffd/mffd.c
MatScale_Nest in src/mat/impls/nest/matnest.c
MatScale_Normal in src/mat/impls/normal/normm.c
MatScale_MPISBAIJ in src/mat/impls/sbaij/mpi/mpisbaij.c
MatScale_SeqSBAIJ in src/mat/impls/sbaij/seq/sbaij2.c
MatScale_MPISELL in src/mat/impls/sell/mpi/mpisell.c
MatScale_SeqSELL in src/mat/impls/sell/seq/sell.c
MatScale_Shell in src/mat/impls/shell/shell.c
MatScale_SubMatrix in src/mat/impls/submat/submat.c