VecSet

Sets all components of a vector to a single scalar value.

Synopsis

#include "petscvec.h" 
int VecSet(const Scalar *alpha,Vec x) 
Collective on Vec

Input Parameters

alpha - the scalar
x - the vector

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.

See Also

VecSetValues(), VecSetValuesBlocked(), VecSetRandom()

Keywords

vector, set

Level:beginner
Location:
src/vec/interface/vector.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/vec/examples/tutorials/ex1.c
src/vec/examples/tutorials/ex1e.c
src/vec/examples/tutorials/ex2.c
src/vec/examples/tutorials/ex8.c
src/vec/examples/tutorials/ex11.c
src/vec/examples/tutorials/ex12.c
src/vec/examples/tutorials/ex13.c
src/vec/examples/tutorials/ex1f.F
src/vec/examples/tutorials/ex2f.F
src/vec/examples/tutorials/ex7f.F
src/vec/examples/tutorials/ex1f90.F