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<TITLE>DMDASNESSetJacobianLocal</TITLE>
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<div id="version" align=right><b>petsc-3.10.3 2018-12-18</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-3.10.3 v3.10.3 docs/manualpages/SNES/DMDASNESSetJacobianLocal.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMDASNESSetJacobianLocal"><H1>DMDASNESSetJacobianLocal</H1></A>
set a local Jacobian evaluation function
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmda.h"
#include "petscsnes.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../SNES/DMDASNESSetJacobianLocal.html#DMDASNESSetJacobianLocal">DMDASNESSetJacobianLocal</A>(<A HREF="../DM/DM.html#DM">DM</A> dm,<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> (*func)(<A HREF="../DMDA/DMDALocalInfo.html#DMDALocalInfo">DMDALocalInfo</A>*,void*,<A HREF="../Mat/Mat.html#Mat">Mat</A>,<A HREF="../Mat/Mat.html#Mat">Mat</A>,void*),void *ctx)
</PRE>
Logically Collective
<P>
<H3><FONT COLOR="#CC3333">Input Arguments</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>dm </B></TD><TD>- <A HREF="../DM/DM.html#DM">DM</A> to associate callback with
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>func </B></TD><TD>- local Jacobian evaluation
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ctx </B></TD><TD>- optional context for local Jacobian evaluation
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Calling sequence</FONT></H3>
For <A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> (*func)(<A HREF="../DMDA/DMDALocalInfo.html#DMDALocalInfo">DMDALocalInfo</A> *info,void *x,<A HREF="../Mat/Mat.html#Mat">Mat</A> J,<A HREF="../Mat/Mat.html#Mat">Mat</A> M,void *ctx),
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>info </B></TD><TD>- <A HREF="../DMDA/DMDALocalInfo.html#DMDALocalInfo">DMDALocalInfo</A> defining the subdomain to evaluate the Jacobian at
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>x </B></TD><TD>- dimensional pointer to state at which to evaluate Jacobian (e.g. <A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A> *x or **x or ***x)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>J </B></TD><TD>- <A HREF="../Mat/Mat.html#Mat">Mat</A> object for the Jacobian
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>M </B></TD><TD>- <A HREF="../Mat/Mat.html#Mat">Mat</A> object for the Jacobian preconditioner matrix
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ctx </B></TD><TD>- optional context passed above
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../SNES/DMDASNESSetFunctionLocal.html#DMDASNESSetFunctionLocal">DMDASNESSetFunctionLocal</A>(), <A HREF="../SNES/DMSNESSetJacobian.html#DMSNESSetJacobian">DMSNESSetJacobian</A>(), <A HREF="../DMDA/DMDACreate1d.html#DMDACreate1d">DMDACreate1d</A>(), <A HREF="../DMDA/DMDACreate2d.html#DMDACreate2d">DMDACreate2d</A>(), <A HREF="../DMDA/DMDACreate3d.html#DMDACreate3d">DMDACreate3d</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>beginner<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/snes/utils/dmdasnes.c.html#DMDASNESSetJacobianLocal">src/snes/utils/dmdasnes.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/snes/examples/tutorials/ex5.c.html">src/snes/examples/tutorials/ex5.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex9.c.html">src/snes/examples/tutorials/ex9.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex15.c.html">src/snes/examples/tutorials/ex15.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex48.c.html">src/snes/examples/tutorials/ex48.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex5f.F90.html">src/snes/examples/tutorials/ex5f.F90.html</A><BR>
<BR><A HREF="./index.html">Index of all SNES routines</A>
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