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<TITLE>DMGetInterpolation</TITLE>
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<A NAME="DMGetInterpolation"><H1>DMGetInterpolation</H1></A>
Gets interpolation matrix between two <A HREF="../DA/DA.html#DA">DA</A> or <A HREF="../DA/DMComposite.html#DMComposite">DMComposite</A> objects
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscda.h"
PetscErrorCode PETSCDM_DLLEXPORT DMGetInterpolation(DM dm1,DM dm2,Mat *mat,Vec *vec)
</PRE>
Collective on <A HREF="../DA/DM.html#DM">DM</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>dm1 </B></TD><TD>- the <A HREF="../DA/DM.html#DM">DM</A> object
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>dm2 </B></TD><TD>- the second, finer <A HREF="../DA/DM.html#DM">DM</A> object
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>mat </B></TD><TD>- the interpolation
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>vec </B></TD><TD>- the scaling (optional)
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DA/DMDestroy.html#DMDestroy">DMDestroy</A>(), <A HREF="../DA/DMView.html#DMView">DMView</A>(), <A HREF="../DA/DMCreateGlobalVector.html#DMCreateGlobalVector">DMCreateGlobalVector</A>(), <A HREF="../DA/DMGetColoring.html#DMGetColoring">DMGetColoring</A>(), <A HREF="../DA/DMGetMatrix.html#DMGetMatrix">DMGetMatrix</A>()
<BR>
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/dm/da/utils/dm.c.html#DMGetInterpolation">src/dm/da/utils/dm.c</A>
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