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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="TSGetKSP"><H1>TSGetKSP</H1></A>
Returns the <A HREF="../KSP/KSP.html#KSP">KSP</A> (linear solver) associated with a <A HREF="../TS/TS.html#TS">TS</A> (timestepper) context.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscts.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../TS/TSGetKSP.html#TSGetKSP">TSGetKSP</A>(<A HREF="../TS/TS.html#TS">TS</A> ts,<A HREF="../KSP/KSP.html#KSP">KSP</A> *ksp)
</PRE>
Not Collective, but <A HREF="../KSP/KSP.html#KSP">KSP</A> is parallel if <A HREF="../TS/TS.html#TS">TS</A> is parallel
<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>ts </B></TD><TD>- the <A HREF="../TS/TS.html#TS">TS</A> context obtained from <A HREF="../TS/TSCreate.html#TSCreate">TSCreate</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>ksp </B></TD><TD>- the nonlinear solver context
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
The user can then directly manipulate the <A HREF="../KSP/KSP.html#KSP">KSP</A> context to set various
options, etc. Likewise, the user can then extract and manipulate the
<A HREF="../KSP/KSP.html#KSP">KSP</A> and <A HREF="../PC/PC.html#PC">PC</A> contexts as well.
<P>
<A HREF="../TS/TSGetKSP.html#TSGetKSP">TSGetKSP</A>() does not work for integrators that do not use <A HREF="../KSP/KSP.html#KSP">KSP</A>;
in this case <A HREF="../TS/TSGetKSP.html#TSGetKSP">TSGetKSP</A>() returns NULL in ksp.
<P>
<P>
<P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>beginner<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/ts/interface/ts.c.html#TSGetKSP">src/ts/interface/ts.c</A>
<BR><A HREF="./index.html">Index of all TS routines</A>
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