1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD> <link rel="canonical" href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Vec/VecMaxPointwiseDivide.html" />
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>VecMaxPointwiseDivide</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
<div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="VecMaxPointwiseDivide"><H1>VecMaxPointwiseDivide</H1></A>
Computes the maximum of the componentwise division max = max_i abs(x_i/y_i).
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscvec.h"
PetscErrorCode VecMaxPointwiseDivide(Vec x,Vec y,PetscReal *max)
</PRE>
Logically Collective on <A HREF="../Vec/Vec.html#Vec">Vec</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<DT><B>x, y </B> -the vectors
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>max </B> -the result
<br>
<P>
<P>
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
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Vec/VecPointwiseDivide.html#VecPointwiseDivide">VecPointwiseDivide</A>(), <A HREF="../Vec/VecPointwiseMult.html#VecPointwiseMult">VecPointwiseMult</A>(), <A HREF="../Vec/VecPointwiseMax.html#VecPointwiseMax">VecPointwiseMax</A>(), <A HREF="../Vec/VecPointwiseMin.html#VecPointwiseMin">VecPointwiseMin</A>(), <A HREF="../Vec/VecPointwiseMaxAbs.html#VecPointwiseMaxAbs">VecPointwiseMaxAbs</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/vec/vec/interface/rvector.c.html#VecMaxPointwiseDivide">src/vec/vec/interface/rvector.c</A>
<BR><A HREF="./index.html">Index of all Vec routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
</BODY></HTML>
|
