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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
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<A NAME="PCMGSetX"><H1>PCMGSetX</H1></A>
Sets the vector space to be used to store the solution on a particular level.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscksp.h"
PetscErrorCode PCMGSetX(PC pc,PetscInt l,Vec c)
</PRE>
Logically Collective on <A HREF="../PC/PC.html#PC">PC</A> and <A HREF="../Vec/Vec.html#Vec">Vec</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>pc </B></TD><TD>- the multigrid context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>l </B></TD><TD>- the level (0 is coarsest) this is to be used for (do not supply the finest level)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>c </B></TD><TD>- the space
</TD></TR></TABLE>
<P>
<P>
Notes: If this is not provided PETSc will automatically generate one.
<P>
You do not need to keep a reference to this vector if you do
not need it <A HREF="../PC/PCDestroy.html#PCDestroy">PCDestroy</A>() will properly free it.
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
MG, multigrid, set, solution, level
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../PC/PCMGSetRhs.html#PCMGSetRhs">PCMGSetRhs</A>(), <A HREF="../PC/PCMGSetR.html#PCMGSetR">PCMGSetR</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/pc/impls/mg/mgfunc.c.html#PCMGSetX">src/ksp/pc/impls/mg/mgfunc.c</A>
<BR><A HREF="./index.html">Index of all PC routines</A>
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