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<A NAME="MatNullSpaceSetFunction"><H1>MatNullSpaceSetFunction</H1></A>
set a function that removes a null space from a vector out of null spaces.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscmat.h"
PetscErrorCode PETSCMAT_DLLEXPORT MatNullSpaceSetFunction(MatNullSpace sp, PetscErrorCode (*rem)(Vec,void*),void *ctx)
</PRE>
Collective on <A HREF="../Mat/MatNullSpace.html#MatNullSpace">MatNullSpace</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>sp </B></TD><TD>- the null space object
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>rem </B></TD><TD>- the function that removes the null space
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ctx </B></TD><TD>- context for the remove function
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
<A HREF="../PC/PC.html#PC">PC</A>, null space, create
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Mat/MatNullSpaceDestroy.html#MatNullSpaceDestroy">MatNullSpaceDestroy</A>(), <A HREF="../Mat/MatNullSpaceRemove.html#MatNullSpaceRemove">MatNullSpaceRemove</A>(), <A HREF="../KSP/KSPSetNullSpace.html#KSPSetNullSpace">KSPSetNullSpace</A>(), <A HREF="../Mat/MatNullSpace.html#MatNullSpace">MatNullSpace</A>, <A HREF="../Mat/MatNullSpaceCreate.html#MatNullSpaceCreate">MatNullSpaceCreate</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/mat/interface/matnull.c.html#MatNullSpaceSetFunction">src/mat/interface/matnull.c</A>
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