petsc-3.7.5 2017-01-01
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VecAXPBY

 Computes y = alpha x + beta y.

Synopsis

#include "petscvec.h"   
PetscErrorCode  VecAXPBY(Vec y,PetscScalar alpha,PetscScalar beta,Vec x)
Logically Collective on Vec

Input Parameters

alpha,beta - the scalars
x, y - the vectors

Output Parameter

y -output vector

Notes: x and y MUST be different vectors

See Also

VecAYPX(), VecMAXPY(), VecWAXPY(), VecAXPY()

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