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
39
40
41
42
43
44
45
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD> <link rel="canonical" href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/DMDA/DMDACreateAggregates.html" />
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>DMDACreateAggregates</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
<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/DMDA/DMDACreateAggregates.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMDACreateAggregates"><H1>DMDACreateAggregates</H1></A>
Gets the aggregates that map between grids associated with two DMDAs.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmda.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DMDA/DMDACreateAggregates.html#DMDACreateAggregates">DMDACreateAggregates</A>(<A HREF="../DM/DM.html#DM">DM</A> dac,<A HREF="../DM/DM.html#DM">DM</A> daf,<A HREF="../Mat/Mat.html#Mat">Mat</A> *rest)
</PRE>
Collective on dmc
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>dmc </B></TD><TD>- the coarse grid <A HREF="../DMDA/DMDA.html#DMDA">DMDA</A>
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>dmf </B></TD><TD>- the fine grid <A HREF="../DMDA/DMDA.html#DMDA">DMDA</A>
</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>rest </B></TD><TD>- the restriction matrix (transpose of the projection matrix)
</TD></TR></TABLE>
<P>
<P>
Note: This routine is not used by PETSc.
It is not clear what its use case is and it may be removed in a future release.
Users should contact petsc-maint@mcs.anl.gov if they plan to use it.
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/DMRefine.html#DMRefine">DMRefine</A>(), <A HREF="../DM/DMCreateInjection.html#DMCreateInjection">DMCreateInjection</A>(), <A HREF="../DM/DMCreateInterpolation.html#DMCreateInterpolation">DMCreateInterpolation</A>()
<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/impls/da/dainterp.c.html#DMDACreateAggregates">src/dm/impls/da/dainterp.c</A>
<BR><A HREF="./index.html">Index of all DMDA 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>
|
