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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</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-3.7.5 v3.7.5 docs/manualpages/KSP/KSPSetDM.html "><small>Report Typos and Errors</small></a></div>
<A NAME="KSPSetDM"><H1>KSPSetDM</H1></A>
Sets the <A HREF="../DM/DM.html#DM">DM</A> that may be used by some preconditioners
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscksp.h"
PetscErrorCode KSPSetDM(KSP ksp,DM dm)
</PRE>
Logically Collective on <A HREF="../KSP/KSP.html#KSP">KSP</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>ksp </B></TD><TD>- the preconditioner context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>dm </B></TD><TD>- the dm
</TD></TR></TABLE>
<P>
Notes: If this is used then the <A HREF="../KSP/KSP.html#KSP">KSP</A> will attempt to use the <A HREF="../DM/DM.html#DM">DM</A> to create the matrix and use the routine
set with <A HREF="../KSP/DMKSPSetComputeOperators.html#DMKSPSetComputeOperators">DMKSPSetComputeOperators</A>(). Use <A HREF="../KSP/KSPSetDMActive.html#KSPSetDMActive">KSPSetDMActive</A>(ksp,<A HREF="../Sys/PETSC_FALSE.html#PETSC_FALSE">PETSC_FALSE</A>) to instead use the matrix
you've provided with <A HREF="../KSP/KSPSetOperators.html#KSPSetOperators">KSPSetOperators</A>().
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../KSP/KSPGetDM.html#KSPGetDM">KSPGetDM</A>(), <A HREF="../KSP/KSPSetDMActive.html#KSPSetDMActive">KSPSetDMActive</A>(), <A HREF="../KSP/KSPSetComputeOperators.html#KSPSetComputeOperators">KSPSetComputeOperators</A>(), <A HREF="../KSP/KSPSetComputeRHS.html#KSPSetComputeRHS">KSPSetComputeRHS</A>(), <A HREF="../KSP/KSPSetComputeInitialGuess.html#KSPSetComputeInitialGuess">KSPSetComputeInitialGuess</A>(), <A HREF="../KSP/DMKSPSetComputeOperators.html#DMKSPSetComputeOperators">DMKSPSetComputeOperators</A>(), <A HREF="../KSP/DMKSPSetComputeRHS.html#DMKSPSetComputeRHS">DMKSPSetComputeRHS</A>(), <A HREF="../KSP/DMKSPSetComputeInitialGuess.html#DMKSPSetComputeInitialGuess">DMKSPSetComputeInitialGuess</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/ksp/interface/iterativ.c.html#KSPSetDM">src/ksp/ksp/interface/iterativ.c</A>
<BR><A HREF="./index.html">Index of all KSP 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/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/ex31.c.html">src/ksp/ksp/examples/tutorials/ex31.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/ex34.c.html">src/ksp/ksp/examples/tutorials/ex34.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex43.c.html">src/ksp/ksp/examples/tutorials/ex43.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex45.c.html">src/ksp/ksp/examples/tutorials/ex45.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex50.c.html">src/ksp/ksp/examples/tutorials/ex50.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex65.c.html">src/ksp/ksp/examples/tutorials/ex65.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex22f.F.html">src/ksp/ksp/examples/tutorials/ex22f.F.html</A><BR>
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