VecScale

Scales a vector.

Synopsis

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

Input Parameters

x - the vector
alpha - the scalar

Output Parameter

x -the scaled vector

Note

For a vector with n components, VecScale() computes
     x[i] = alpha * x[i], for i=1,...,n.

Level:intermediate
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.html
src/vec/examples/tutorials/ex1e.c.html
src/vec/examples/tutorials/ex1f.F.html
src/vec/examples/tutorials/ex1f90.F.html
src/ts/examples/tutorials/util2.c.html
src/dm/da/examples/tutorials/ex1.c.html