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<A NAME="DMMGSetInitialGuess"><H1>DMMGSetInitialGuess</H1></A>
Sets the function that computes an initial guess, if not given uses 0.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscda.h"
#include "petscmg.h"
#include "petscmg.h"
int DMMGSetInitialGuess(DMMG *dmmg,int (*guess)(SNES,Vec,void*))
</PRE>
Collective on <A HREF="../DA/DMMG.html#DMMG">DMMG</A> and <A HREF="../SNES/SNES.html#SNES">SNES</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>dmmg </B></TD><TD>- the context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>guess </B></TD><TD>- the function
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../KSP/DMMGCreate.html#DMMGCreate">DMMGCreate</A>(), <A HREF="../KSP/DMMGDestroy.html#DMMGDestroy">DMMGDestroy</A>, <A HREF="../KSP/DMMGSetKSP.html#DMMGSetKSP">DMMGSetKSP</A>()
<BR>
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/snes/utils/damgsnes.c.html#DMMGSetInitialGuess">src/snes/utils/damgsnes.c</A>
<BR><A HREF="./index.html">Index of all SNES 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/snes/examples/tutorials/ex18.c.html">src/snes/examples/tutorials/ex18.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex19.c.html">src/snes/examples/tutorials/ex19.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex20.c.html">src/snes/examples/tutorials/ex20.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex27.c.html">src/snes/examples/tutorials/ex27.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex30.c.html">src/snes/examples/tutorials/ex30.c.html</A><BR>
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