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<div id="version" align=right><b>petsc-3.10.3 2018-12-18</b></div>
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<A NAME="DMCreateInterpolationScale"><H1>DMCreateInterpolationScale</H1></A>
Forms L = R*1/diag(R*1) - L.*v is like a coarse grid average of the nearby fine grid points.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmda.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DMDA/DMCreateInterpolationScale.html#DMCreateInterpolationScale">DMCreateInterpolationScale</A>(<A HREF="../DM/DM.html#DM">DM</A> dac,<A HREF="../DM/DM.html#DM">DM</A> daf,<A HREF="../Mat/Mat.html#Mat">Mat</A> mat,<A HREF="../Vec/Vec.html#Vec">Vec</A> *scale)
</PRE>
<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>- <A HREF="../DM/DM.html#DM">DM</A> that defines a coarse mesh
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>daf </B></TD><TD>- <A HREF="../DM/DM.html#DM">DM</A> that defines a fine mesh
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>mat </B></TD><TD>- the restriction (or interpolation operator) from fine to coarse
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>scale </B> -the scaled vector
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/DMCreateInterpolation.html#DMCreateInterpolation">DMCreateInterpolation</A>()
<BR>
<P>
<P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>developer<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/dm/impls/da/dainterp.c.html#DMCreateInterpolationScale">src/dm/impls/da/dainterp.c</A>
<BR><A HREF="./index.html">Index of all DMDA routines</A>
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