MatScale#

Scales all elements of a matrix by a given number.

Synopsis#

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

Logically Collective

Input Parameters#

  • mat - the matrix to be scaled

  • a - the scaling value

See Also#

Matrices, Mat, MatDiagonalScale()

Level#

intermediate

Location#

src/mat/interface/matrix.c

Examples#

src/tao/unconstrained/tutorials/eptorsion2.c
src/tao/pde_constrained/tutorials/elliptic.c
src/ts/tutorials/ex3.c
src/tao/constrained/tutorials/tomographyADMM.c
src/snes/tutorials/ex70.c
src/tao/pde_constrained/tutorials/hyperbolic.c
src/ts/tutorials/ex50.c
src/tao/unconstrained/tutorials/burgers_spectral.c
src/tao/pde_constrained/tutorials/parabolic.c
src/snes/tutorials/ex16.c

Implementations#

MatScale_MPIAIJ() in src/mat/impls/aij/mpi/mpiaij.c
MatScale_SeqAIJ() in src/mat/impls/aij/seq/aij.c
MatScale_SeqAIJKokkos() in src/mat/impls/aij/seq/kokkos/aijkok.kokkos.cxx
MatScale_SeqAIJCUSPARSE() in src/mat/impls/aij/seq/seqcusparse/aijcusparse.cu
MatScale_SeqAIJHIPSPARSE() in src/mat/impls/aij/seq/seqhipsparse/aijhipsparse.hip.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_ConstantDiagonal() in src/mat/impls/cdiagonal/cdiagonal.c
MatScale_MPIDense() in src/mat/impls/dense/mpi/mmdense.c
MatScale_SeqDense() in src/mat/impls/dense/seq/dense.c
MatScale_Diagonal() in src/mat/impls/diagonal/diagonal.c
MatScale_Elemental() in src/mat/impls/elemental/matelem.cxx
MatScale_H2OPUS() in src/mat/impls/h2opus/cuda/math2opus.cu
MatScale_Htool() in src/mat/impls/htool/htool.cxx
MatScale_HYPRE() in src/mat/impls/hypre/mhypre.c
MatScale_IS() in src/mat/impls/is/matis.c
MatScale_Nest() in src/mat/impls/nest/matnest.c
MatScale_MPISBAIJ() in src/mat/impls/sbaij/mpi/mpisbaij.c
MatScale_SeqSBAIJ() in src/mat/impls/sbaij/seq/sbaij2.c
MatScale_ScaLAPACK() in src/mat/impls/scalapack/matscalapack.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


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