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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</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-3.14.5 v3.14.5 docs/manualpages/DM/DMCreateSuperDM.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMCreateSuperDM"><H1>DMCreateSuperDM</H1></A>
Returns an arrays of ISes and <A HREF="../DM/DM.html#DM">DM</A> encapsulating a superproblem defined by the DMs passed in.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdm.h"
#include "petscdmlabel.h"
#include "petscds.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DM/DMCreateSuperDM.html#DMCreateSuperDM">DMCreateSuperDM</A>(<A HREF="../DM/DM.html#DM">DM</A> dms[], <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> len, <A HREF="../IS/IS.html#IS">IS</A> **is, <A HREF="../DM/DM.html#DM">DM</A> *superdm)
</PRE>
Not collective
<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>dms </B></TD><TD>- The <A HREF="../DM/DM.html#DM">DM</A> objects
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>len </B></TD><TD>- The number of DMs
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>is </B></TD><TD>- The global indices for the subproblem, or NULL
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>superdm </B></TD><TD>- The <A HREF="../DM/DM.html#DM">DM</A> for the superproblem
</TD></TR></TABLE>
<P>
Note: You need to call <A HREF="../DMPLEX/DMPlexSetMigrationSF.html#DMPlexSetMigrationSF">DMPlexSetMigrationSF</A>() on the original <A HREF="../DM/DM.html#DM">DM</A> if you want the Global-To-Natural map to be automatically constructed
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DMPLEX/DMPlexSetMigrationSF.html#DMPlexSetMigrationSF">DMPlexSetMigrationSF</A>(), <A HREF="../DM/DMDestroy.html#DMDestroy">DMDestroy</A>(), <A HREF="../DM/DMView.html#DMView">DMView</A>(), <A HREF="../DM/DMCreateInterpolation.html#DMCreateInterpolation">DMCreateInterpolation</A>(), <A HREF="../DM/DMCreateColoring.html#DMCreateColoring">DMCreateColoring</A>(), <A HREF="../DM/DMCreateMatrix.html#DMCreateMatrix">DMCreateMatrix</A>(), DMCreateFieldIS()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/dm/interface/dm.c.html#DMCreateSuperDM">src/dm/interface/dm.c</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/dm/impls/plex/plex.c.html#DMCreateSuperDM_Plex">DMCreateSuperDM_Plex in src/dm/impls/plex/plex.c</A><BR>
<BR><A HREF="./index.html">Index of all DM routines</A>
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