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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</b></div>
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<A NAME="SNESSetUp"><H1>SNESSetUp</H1></A>
Sets up the internal data structures for the later use of a nonlinear solver.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsnes.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../SNES/SNESSetUp.html#SNESSetUp">SNESSetUp</A>(<A HREF="../SNES/SNES.html#SNES">SNES</A> snes)
</PRE>
Collective on <A HREF="../SNES/SNES.html#SNES">SNES</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>snes </B></TD><TD>- the <A HREF="../SNES/SNES.html#SNES">SNES</A> context
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
For basic use of the <A HREF="../SNES/SNES.html#SNES">SNES</A> solvers the user need not explicitly call
<A HREF="../SNES/SNESSetUp.html#SNESSetUp">SNESSetUp</A>(), since these actions will automatically occur during
the call to <A HREF="../SNES/SNESSolve.html#SNESSolve">SNESSolve</A>(). However, if one wishes to control this
phase separately, <A HREF="../SNES/SNESSetUp.html#SNESSetUp">SNESSetUp</A>() should be called after <A HREF="../SNES/SNESCreate.html#SNESCreate">SNESCreate</A>()
and optional routines of the form SNESSetXXX(), but before <A HREF="../SNES/SNESSolve.html#SNESSolve">SNESSolve</A>().
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../SNES/SNESCreate.html#SNESCreate">SNESCreate</A>(), <A HREF="../SNES/SNESSolve.html#SNESSolve">SNESSolve</A>(), <A HREF="../SNES/SNESDestroy.html#SNESDestroy">SNESDestroy</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>advanced<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/snes/interface/snes.c.html#SNESSetUp">src/snes/interface/snes.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/snes/tutorials/ex62.c.html">src/snes/tutorials/ex62.c.html</A><BR>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/snes/impls/composite/snescomposite.c.html#SNESSetUp_Composite">SNESSetUp_Composite in src/snes/impls/composite/snescomposite.c</A><BR>
<A HREF="../../../src/snes/impls/fas/fas.c.html#SNESSetUp_FAS">SNESSetUp_FAS in src/snes/impls/fas/fas.c</A><BR>
<A HREF="../../../src/snes/impls/gs/snesgs.c.html#SNESSetUp_NGS">SNESSetUp_NGS in src/snes/impls/gs/snesgs.c</A><BR>
<A HREF="../../../src/snes/impls/ksponly/ksponly.c.html#SNESSetUp_KSPONLY">SNESSetUp_KSPONLY in src/snes/impls/ksponly/ksponly.c</A><BR>
<A HREF="../../../src/snes/impls/ls/ls.c.html#SNESSetUp_NEWTONLS">SNESSetUp_NEWTONLS in src/snes/impls/ls/ls.c</A><BR>
<A HREF="../../../src/snes/impls/ms/ms.c.html#SNESSetUp_MS">SNESSetUp_MS in src/snes/impls/ms/ms.c</A><BR>
<A HREF="../../../src/snes/impls/multiblock/multiblock.c.html#SNESSetUp_Multiblock">SNESSetUp_Multiblock in src/snes/impls/multiblock/multiblock.c</A><BR>
<A HREF="../../../src/snes/impls/nasm/nasm.c.html#SNESSetUp_NASM">SNESSetUp_NASM in src/snes/impls/nasm/nasm.c</A><BR>
<A HREF="../../../src/snes/impls/ncg/snesncg.c.html#SNESSetUp_NCG">SNESSetUp_NCG in src/snes/impls/ncg/snesncg.c</A><BR>
<A HREF="../../../src/snes/impls/ngmres/snesngmres.c.html#SNESSetUp_NGMRES">SNESSetUp_NGMRES in src/snes/impls/ngmres/snesngmres.c</A><BR>
<A HREF="../../../src/snes/impls/patch/snespatch.c.html#SNESSetUp_Patch">SNESSetUp_Patch in src/snes/impls/patch/snespatch.c</A><BR>
<A HREF="../../../src/snes/impls/qn/qn.c.html#SNESSetUp_QN">SNESSetUp_QN in src/snes/impls/qn/qn.c</A><BR>
<A HREF="../../../src/snes/impls/richardson/snesrichardson.c.html#SNESSetUp_NRichardson">SNESSetUp_NRichardson in src/snes/impls/richardson/snesrichardson.c</A><BR>
<A HREF="../../../src/snes/impls/shell/snesshell.c.html#SNESSetUp_Shell">SNESSetUp_Shell in src/snes/impls/shell/snesshell.c</A><BR>
<A HREF="../../../src/snes/impls/tr/tr.c.html#SNESSetUp_NEWTONTR">SNESSetUp_NEWTONTR in src/snes/impls/tr/tr.c</A><BR>
<A HREF="../../../src/snes/impls/vi/rs/virs.c.html#SNESSetUp_VINEWTONRSLS">SNESSetUp_VINEWTONRSLS in src/snes/impls/vi/rs/virs.c</A><BR>
<A HREF="../../../src/snes/impls/vi/ss/viss.c.html#SNESSetUp_VINEWTONSSLS">SNESSetUp_VINEWTONSSLS in src/snes/impls/vi/ss/viss.c</A><BR>
<A HREF="../../../src/snes/impls/vi/vi.c.html#SNESSetUp_VI">SNESSetUp_VI in src/snes/impls/vi/vi.c</A><BR>
<BR><A HREF="./index.html">Index of all SNES routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
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