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
46
47
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD> <link rel="canonical" href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/DM/DMComputeExactSolution.html" />
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>DMComputeExactSolution</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/DM/DMComputeExactSolution.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMComputeExactSolution"><H1>DMComputeExactSolution</H1></A>
Compute the exact solution for a given <A HREF="../DM/DM.html#DM">DM</A>, using the <A HREF="../DM/PetscDS.html#PetscDS">PetscDS</A> information.
<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/DMComputeExactSolution.html#DMComputeExactSolution">DMComputeExactSolution</A>(<A HREF="../DM/DM.html#DM">DM</A> dm, <A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> time, <A HREF="../Vec/Vec.html#Vec">Vec</A> u, <A HREF="../Vec/Vec.html#Vec">Vec</A> u_t)
</PRE>
Collective on <A HREF="../DM/DM.html#DM">DM</A>
<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>dm </B></TD><TD>- The <A HREF="../DM/DM.html#DM">DM</A>
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>time </B></TD><TD>- The time
</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>u </B></TD><TD>- The vector will be filled with exact solution values, or NULL
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>u_t </B></TD><TD>- The vector will be filled with the time derivative of exact solution values, or NULL
</TD></TR></TABLE>
<P>
Note: The user must call <A HREF="../DT/PetscDSSetExactSolution.html#PetscDSSetExactSolution">PetscDSSetExactSolution</A>() beforehand
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DT/PetscDSSetExactSolution.html#PetscDSSetExactSolution">PetscDSSetExactSolution</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>developer<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/dm/interface/dm.c.html#DMComputeExactSolution">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>
</BODY></HTML>
|
