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<div id="version" align=right><b>petsc-3.10.3 2018-12-18</b></div>
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<A NAME="VecStrideMaxAll"><H1>VecStrideMaxAll</H1></A>
Computes the maximums of subvectors of a vector defined by a starting point and a stride and optionally its location.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscvec.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Vec/VecStrideMaxAll.html#VecStrideMaxAll">VecStrideMaxAll</A>(<A HREF="../Vec/Vec.html#Vec">Vec</A> v,<A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> idex[],<A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> nrm[])
</PRE>
Collective on <A HREF="../Vec/Vec.html#Vec">Vec</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>v </B> -the vector
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>index </B></TD><TD>- the location where the maximum occurred (not supported, pass NULL,
if you need this, send mail to petsc-maint@mcs.anl.gov to request it)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>nrm </B></TD><TD>- the maximum values of each subvector
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
One must call <A HREF="../Vec/VecSetBlockSize.html#VecSetBlockSize">VecSetBlockSize</A>() before this routine to set the stride
information, or use a vector created from a multicomponent <A HREF="../DMDA/DMDA.html#DMDA">DMDA</A>.
<P>
The dimension of nrm must be the same as the vector block size
<P>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Vec/VecMax.html#VecMax">VecMax</A>(), <A HREF="../Vec/VecStrideNorm.html#VecStrideNorm">VecStrideNorm</A>(), <A HREF="../Vec/VecStrideGather.html#VecStrideGather">VecStrideGather</A>(), <A HREF="../Vec/VecStrideScatter.html#VecStrideScatter">VecStrideScatter</A>(), <A HREF="../Vec/VecStrideMin.html#VecStrideMin">VecStrideMin</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>advanced<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/vec/vec/utils/vinv.c.html#VecStrideMaxAll">src/vec/vec/utils/vinv.c</A>
<BR><A HREF="./index.html">Index of all Vec routines</A>
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