petsc-3.7.7 2017-09-25
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VecMaxPointwiseDivide

 Computes the maximum of the componentwise division max = max_i abs(x_i/y_i).

Synopsis

#include "petscvec.h"   
PetscErrorCode  VecMaxPointwiseDivide(Vec x,Vec y,PetscReal *max)
Logically Collective on Vec

Input Parameters

x, y -the vectors

Output Parameter

max -the result

Notes: x and y may be the same vector if a particular y_i is zero, it is treated as 1 in the above formula

See Also

VecPointwiseDivide(), VecPointwiseMult(), VecPointwiseMax(), VecPointwiseMin(), VecPointwiseMaxAbs()

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