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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.7.5 v3.7.5 docs/manualpages/PetscSF/PetscSFCreateInverseSF.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscSFCreateInverseSF"><H1>PetscSFCreateInverseSF</H1></A>
given a <A HREF="../PetscSF/PetscSF.html#PetscSF">PetscSF</A> in which all vertices have degree 1, creates the inverse map
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsf.h"
PetscErrorCode PetscSFCreateInverseSF(PetscSF sf,PetscSF *isf)
</PRE>
Collective
<P>
<H3><FONT COLOR="#CC3333">Input Arguments</FONT></H3>
<DT><B>sf </B> -star forest to invert
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Arguments</FONT></H3>
<DT><B>isf </B> -inverse of sf
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
All roots must have degree 1.
<P>
The local space may be a permutation, but cannot be sparse.
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../PetscSF/PetscSFSetGraph.html#PetscSFSetGraph">PetscSFSetGraph</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/vec/is/sf/interface/sf.c.html#PetscSFCreateInverseSF">src/vec/is/sf/interface/sf.c</A>
<BR><A HREF="./index.html">Index of all PetscSF routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/vec/is/sf/examples/tutorials/ex1.c.html">src/vec/is/sf/examples/tutorials/ex1.c.html</A><BR>
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