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<TITLE>DMMGSetKSP</TITLE>
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<A NAME="DMMGSetKSP"><H1>DMMGSetKSP</H1></A>
Sets the linear solver object that will use the grid hierarchy
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscda.h"
#include "petscksp.h"
#include "petscmg.h"
#include "petscdmmg.h"
#include "petscpc.h"
PetscErrorCode PETSCSNES_DLLEXPORT DMMGSetKSP(DMMG *dmmg,PetscErrorCode (*rhs)(DMMG,Vec),PetscErrorCode (*func)(DMMG,Mat,Mat))
</PRE>
Collective on <A HREF="../DA/DMMG.html#DMMG">DMMG</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>func </B></TD><TD>- function to compute linear system matrix on each grid level
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>rhs </B></TD><TD>- function to compute right hand side on each level (need only work on the finest grid
if you do not use grid sequencing)
</TD></TR></TABLE>
<P>
<P>
Notes: For linear problems my be called more than once, reevaluates the matrices if it is called more
than once. Call <A HREF="../DA/DMMGSolve.html#DMMGSolve">DMMGSolve</A>() directly several times to solve with the same matrix but different
right hand sides.
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DA/DMMGCreate.html#DMMGCreate">DMMGCreate</A>(), <A HREF="../DA/DMMGDestroy.html#DMMGDestroy">DMMGDestroy</A>, <A HREF="../DA/DMMGSetDM.html#DMMGSetDM">DMMGSetDM</A>(), <A HREF="../DA/DMMGSolve.html#DMMGSolve">DMMGSolve</A>(), <A HREF="../DA/DMMGSetMatType.html#DMMGSetMatType">DMMGSetMatType</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/damg.c.html#DMMGSetKSP">src/snes/utils/damg.c</A>
<BR><A HREF="./index.html">Index of all DA 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/ksp/ksp/examples/tutorials/ex22.c.html">src/ksp/ksp/examples/tutorials/ex22.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex25.c.html">src/ksp/ksp/examples/tutorials/ex25.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex28.c.html">src/ksp/ksp/examples/tutorials/ex28.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex29.c.html">src/ksp/ksp/examples/tutorials/ex29.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex32.c.html">src/ksp/ksp/examples/tutorials/ex32.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex33.c.html">src/ksp/ksp/examples/tutorials/ex33.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex34.c.html">src/ksp/ksp/examples/tutorials/ex34.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex22f.F.html">src/ksp/ksp/examples/tutorials/ex22f.F.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex31.c.html">src/snes/examples/tutorials/ex31.c.html</A><BR>
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