petsc-3.7.7 2017-09-25
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VecPointwiseMaxAbs

Computes the componentwise maximum of the absolute values w_i = max(abs(x_i), abs(y_i)).

Synopsis

#include "petscvec.h"   
PetscErrorCode  VecPointwiseMaxAbs(Vec w,Vec x,Vec y)
Logically Collective on Vec

Input Parameters

x, y -the vectors

Output Parameter

w -the result

Notes: any subset of the x, y, and w may be the same vector.

See Also

VecPointwiseDivide(), VecPointwiseMult(), VecPointwiseMin(), VecPointwiseMax(), VecMaxPointwiseDivide()

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