petsc-3.11.4 2019-09-28
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VecWhichGreaterThan

 Creates an index set containing the indices where the vectors Vec1 > Vec2

Synopsis

#include "petscvec.h"  
PetscErrorCode VecWhichGreaterThan(Vec Vec1, Vec Vec2, IS *S)
Collective on S

Input Parameters

Vec1, Vec2 -the two vectors to compare

OutputParameter

S -The index set containing the indices i where vec1[i] > vec2[i]

Notes

The two vectors must have the same parallel layout

For complex numbers this only compares the real part

Level

advanced

Location

src/vec/vec/utils/projection.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages