petsc-3.14.5 2021-03-03
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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

### Implementations

VecPointwiseMaxAbs_Seq in src/vec/vec/impls/seq/bvec2.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages