petsc-3.5.4 2015-05-23
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VecMAXPY

Computes y = y + sum alpha[j] x[j]

Synopsis

#include "petscvec.h"   
PetscErrorCode  VecMAXPY(Vec y,PetscInt nv,const PetscScalar alpha[],Vec x[])
Logically Collective on Vec

Input Parameters

nv - number of scalars and x-vectors
alpha - array of scalars
y - one vector
x - array of vectors

Notes: y cannot be any of the x vectors

See Also

VecAXPY(), VecWAXPY(), VecAYPX()

Level:intermediate
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/ex1f.F.html
src/vec/vec/examples/tutorials/ex1f90.F.html
src/vec/vec/examples/tutorials/ex20f90.F90.html