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<A NAME="DAGetInjection"><H1>DAGetInjection</H1></A>
Gets an injection matrix that maps between grids associated with two DAs.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscda.h"
int DAGetInjection(DA dac,DA daf,VecScatter *inject)
</PRE>
Collective on <A HREF="../DA/DA.html#DA">DA</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>dac </B></TD><TD>- the coarse grid <A HREF="../DA/DA.html#DA">DA</A>
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>daf </B></TD><TD>- the fine grid <A HREF="../DA/DA.html#DA">DA</A>
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<DT><B>inject </B> -the injection scatter
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
interpolation, restriction, multigrid, injection
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DA/DARefine.html#DARefine">DARefine</A>(), <A HREF="../DA/DAGetInterpolation.html#DAGetInterpolation">DAGetInterpolation</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/dm/da/src/dainterp.c.html#DAGetInjection">src/dm/da/src/dainterp.c</A>
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