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<A NAME="TSGetIFunction"><H1>TSGetIFunction</H1></A>
Returns the vector where the implicit residual is stored and the function/contex to compute it.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscts.h"
PetscErrorCode TSGetIFunction(TS ts,Vec *r,TSIFunction *func,void **ctx)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>ts </B> -the <A HREF="../TS/TS.html#TS">TS</A> context
<br>
<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>r </B></TD><TD>- vector to hold residual (or <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A>)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>func </B></TD><TD>- the function to compute residual (or <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A>)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ctx </B></TD><TD>- the function context (or <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A>)
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
<A HREF="../TS/TS.html#TS">TS</A>, nonlinear, get, function
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../TS/TSSetIFunction.html#TSSetIFunction">TSSetIFunction</A>(), <A HREF="../SNES/SNESGetFunction.html#SNESGetFunction">SNESGetFunction</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ts/interface/ts.c.html#TSGetIFunction">src/ts/interface/ts.c</A>
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