petsc-3.15.0 2021-03-30
MatAXPY
Computes Y = a*X + Y.
Synopsis
#include "petscmat.h"
PetscErrorCode MatAXPY(Mat Y,PetscScalar a,Mat X,MatStructure str)
Logically Collective on Mat
Input Parameters
Notes: No operation is performed when a is zero.
See Also
MatAYPX()
Level
intermediate
Location
src/mat/utils/axpy.c
Examples
src/ksp/ksp/tutorials/ex21.c.html
src/ksp/ksp/tutorials/ex29.c.html
src/ksp/ksp/tutorials/ex34.c.html
src/ts/tutorials/ex50.c.html
src/tao/unconstrained/tutorials/spectraladjointassimilation.c.html
src/tao/pde_constrained/tutorials/hyperbolic.c.html
src/tao/tutorials/ex4.c.html
Implementations
MatAXPY_MPIAIJ in src/mat/impls/aij/mpi/mpiaij.c
MatAXPY_SeqAIJ in src/mat/impls/aij/seq/aij.c
MatAXPY_SeqAIJCUSPARSE in src/mat/impls/aij/seq/seqcusparse/aijcusparse.cu
MatAXPY_MPIBAIJ in src/mat/impls/baij/mpi/mpibaij.c
MatAXPY_SeqBAIJ in src/mat/impls/baij/seq/baij.c
MatAXPY_SeqBAIJMKL in src/mat/impls/baij/seq/baijmkl/baijmkl.c
MatAXPY_Elemental in src/mat/impls/elemental/matelem.cxx
MatAXPY_HYPRE in src/mat/impls/hypre/mhypre.c
MatAXPY_IS in src/mat/impls/is/matis.c
MatAXPY_MPISBAIJ in src/mat/impls/sbaij/mpi/mpisbaij.c
MatAXPY_SeqSBAIJ in src/mat/impls/sbaij/seq/sbaij.c
MatAXPY_ScaLAPACK in src/mat/impls/scalapack/matscalapack.c
MatAXPY_Shell in src/mat/impls/shell/shell.c
MatAXPY_HT in src/mat/impls/transpose/htransm.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages