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<TITLE>DMRefine</TITLE>
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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.7.5 v3.7.5 docs/manualpages/DM/DMRefine.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMRefine"><H1>DMRefine</H1></A>
Refines a <A HREF="../DM/DM.html#DM">DM</A> object
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdm.h"
#include "petscdmlabel.h"
PetscErrorCode DMRefine(DM dm,MPI_Comm comm,DM *dmf)
</PRE>
Collective on <A HREF="../DM/DM.html#DM">DM</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>dm </B></TD><TD>- the <A HREF="../DM/DM.html#DM">DM</A> object
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>comm </B></TD><TD>- the communicator to contain the new <A HREF="../DM/DM.html#DM">DM</A> object (or MPI_COMM_NULL)
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>dmf </B> -the refined <A HREF="../DM/DM.html#DM">DM</A>, or NULL
<br>
<P>
Note: If no refinement was done, the return value is NULL
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/DMCoarsen.html#DMCoarsen">DMCoarsen</A>(), <A HREF="../DM/DMDestroy.html#DMDestroy">DMDestroy</A>(), <A HREF="../DM/DMView.html#DMView">DMView</A>(), <A HREF="../DM/DMCreateGlobalVector.html#DMCreateGlobalVector">DMCreateGlobalVector</A>(), <A HREF="../DM/DMCreateInterpolation.html#DMCreateInterpolation">DMCreateInterpolation</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/dm/interface/dm.c.html#DMRefine">src/dm/interface/dm.c</A>
<BR><A HREF="./index.html">Index of all DM 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>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/dm/examples/tutorials/ex3.c.html">src/dm/examples/tutorials/ex3.c.html</A><BR>
<A HREF="../../../src/dm/examples/tutorials/ex65dm.c.html">src/dm/examples/tutorials/ex65dm.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex65.c.html">src/ksp/ksp/examples/tutorials/ex65.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex12.c.html">src/snes/examples/tutorials/ex12.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex62.c.html">src/snes/examples/tutorials/ex62.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex77.c.html">src/snes/examples/tutorials/ex77.c.html</A><BR>
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