petsc-3.10.5 2019-03-28
VecSet
Sets all components of a vector to a single scalar value.
Synopsis
#include "petscvec.h"
PetscErrorCode VecSet(Vec x,PetscScalar alpha)
Logically Collective on Vec
Input Parameters
| x | - the vector
|
| alpha | - the scalar
|
Output Parameter
x -the vector
Note
For a vector of dimension n, VecSet() computes
x[i] = alpha, for i=1,...,n,
so that all vector entries then equal the identical
scalar value, alpha. Use the more general routine
VecSetValues() to set different vector entries.
You CANNOT call this after you have called VecSetValues() but before you call
VecAssemblyBegin/End().
See Also
VecSetValues(), VecSetValuesBlocked(), VecSetRandom()
Level
beginner
Location
src/vec/vec/interface/rvector.c
Examples
src/vec/vec/examples/tutorials/ex1.c.html
src/vec/vec/examples/tutorials/ex2.c.html
src/vec/vec/examples/tutorials/ex8.c.html
src/vec/vec/examples/tutorials/ex11.c.html
src/vec/vec/examples/tutorials/ex12.c.html
src/vec/vec/examples/tutorials/ex15.c.html
src/vec/vec/examples/tutorials/ex18.c.html
src/vec/vec/examples/tutorials/ex43.c.html
src/vec/vec/examples/tutorials/ex1f.F90.html
src/vec/vec/examples/tutorials/ex1f90.F90.html
src/vec/vec/examples/tutorials/ex2f.F.html
Implementations
VecSet_Nest in src/vec/vec/impls/nest/vecnest.c
VecSet_Node in src/vec/vec/impls/node/vecnode.c
VecSet_Seq in src/vec/vec/impls/seq/dvec2.c
VecSet_SeqCUDA in src/vec/vec/impls/seq/seqcuda/veccuda2.cu
VecSet_SeqViennaCL in src/vec/vec/impls/seq/seqviennacl/vecviennacl.cxx
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages