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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="SNESTSFormJacobian"><H1>SNESTSFormJacobian</H1></A>
Function to evaluate the Jacobian
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscts.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../TS/SNESTSFormJacobian.html#SNESTSFormJacobian">SNESTSFormJacobian</A>(<A HREF="../SNES/SNES.html#SNES">SNES</A> snes,<A HREF="../Vec/Vec.html#Vec">Vec</A> U,<A HREF="../Mat/Mat.html#Mat">Mat</A> A,<A HREF="../Mat/Mat.html#Mat">Mat</A> B,void *ctx)
</PRE>
Collective on <A HREF="../SNES/SNES.html#SNES">SNES</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>snes </B></TD><TD>- nonlinear solver
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>U </B></TD><TD>- the current state at which to evaluate the residual
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ctx </B></TD><TD>- user context, must be a <A HREF="../TS/TS.html#TS">TS</A>
</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>A </B></TD><TD>- the Jacobian
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>B </B></TD><TD>- the preconditioning matrix (may be the same as A)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>flag </B></TD><TD>- indicates any structure change in the matrix
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
This function is not normally called by users and is automatically registered with the <A HREF="../SNES/SNES.html#SNES">SNES</A> used by <A HREF="../TS/TS.html#TS">TS</A>.
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../SNES/SNESSetJacobian.html#SNESSetJacobian">SNESSetJacobian</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>developer<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/ts/interface/ts.c.html#SNESTSFormJacobian">src/ts/interface/ts.c</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/ts/impls/arkimex/arkimex.c.html#SNESTSFormJacobian_ARKIMEX">SNESTSFormJacobian_ARKIMEX in src/ts/impls/arkimex/arkimex.c</A><BR>
src/ts/impls/bdf/bdf.c:285:static PetscErrorCode SNESTSFormJacobian_BDF(PETSC_UNUSED SNES snes,
<A HREF="../../../src/ts/impls/eimex/eimex.c.html#SNESTSFormJacobian_EIMEX">SNESTSFormJacobian_EIMEX in src/ts/impls/eimex/eimex.c</A><BR>
<A HREF="../../../src/ts/impls/glee/glee.c.html#SNESTSFormJacobian_GLEE">SNESTSFormJacobian_GLEE in src/ts/impls/glee/glee.c</A><BR>
<A HREF="../../../src/ts/impls/implicit/alpha/alpha1.c.html#SNESTSFormJacobian_Alpha">SNESTSFormJacobian_Alpha in src/ts/impls/implicit/alpha/alpha1.c</A><BR>
<A HREF="../../../src/ts/impls/implicit/alpha/alpha2.c.html#SNESTSFormJacobian_Alpha">SNESTSFormJacobian_Alpha in src/ts/impls/implicit/alpha/alpha2.c</A><BR>
<A HREF="../../../src/ts/impls/implicit/glle/glle.c.html#SNESTSFormJacobian_GLLE">SNESTSFormJacobian_GLLE in src/ts/impls/implicit/glle/glle.c</A><BR>
<A HREF="../../../src/ts/impls/implicit/theta/theta.c.html#SNESTSFormJacobian_Theta">SNESTSFormJacobian_Theta in src/ts/impls/implicit/theta/theta.c</A><BR>
<A HREF="../../../src/ts/impls/mimex/mimex.c.html#SNESTSFormJacobian_Mimex">SNESTSFormJacobian_Mimex in src/ts/impls/mimex/mimex.c</A><BR>
<A HREF="../../../src/ts/impls/pseudo/posindep.c.html#SNESTSFormJacobian_Pseudo">SNESTSFormJacobian_Pseudo in src/ts/impls/pseudo/posindep.c</A><BR>
<A HREF="../../../src/ts/impls/rosw/rosw.c.html#SNESTSFormJacobian_RosW">SNESTSFormJacobian_RosW in src/ts/impls/rosw/rosw.c</A><BR>
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