petsc-3.7.1 2016-05-15
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 Many br
Input Parameters
| x | - the vector Many br |
| alpha | - the scalar Many br |
Output Parameter
x -the vector Many br
Note
For a vector of dimension n, VecSet() computes Many br
x[i] = alpha, for i=1,...,n,
so that all vector entries then equal the identical Many brscalar value, alpha. Use the more general routine Many brVecSetValues() to set different vector entries. Many br
You CANNOT call this after you have called VecSetValues() but before you call Many brVecAssemblyBegin/End(). Many br
Many br
See Also
VecSetValues(), VecSetValuesBlocked(), VecSetRandom()
Level:beginner
Location:src/vec/vec/interface/rvector.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages
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/ex1f.F.html
src/vec/vec/examples/tutorials/ex1f90.F.html
src/vec/vec/examples/tutorials/ex2f.F.html
src/vec/vec/examples/tutorials/ex7f.F.html