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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
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<TITLE>KSPAppendOptionsPrefix</TITLE>
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<A NAME="KSPAppendOptionsPrefix"><H1>KSPAppendOptionsPrefix</H1></A>
Appends to the prefix used for searching for all <A HREF="../KSP/KSP.html#KSP">KSP</A> options in the database.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscksp.h"
int KSPAppendOptionsPrefix(KSP ksp,char *prefix)
</PRE>
Collective on <A HREF="../KSP/KSP.html#KSP">KSP</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>ksp </B></TD><TD>- the Krylov context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>prefix </B></TD><TD>- the prefix string to prepend to all <A HREF="../KSP/KSP.html#KSP">KSP</A> option requests
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
A hyphen (-) must NOT be given at the beginning of the prefix name.
The first character of all runtime options is AUTOMATICALLY the hyphen.
<P>
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
<A HREF="../KSP/KSP.html#KSP">KSP</A>, append, options, prefix, database
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../KSP/KSPSetOptionsPrefix.html#KSPSetOptionsPrefix">KSPSetOptionsPrefix</A>(), <A HREF="../KSP/KSPGetOptionsPrefix.html#KSPGetOptionsPrefix">KSPGetOptionsPrefix</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sles/ksp/interface/itcl.c.html#KSPAppendOptionsPrefix">src/sles/ksp/interface/itcl.c</A>
<BR><A HREF="./index.html">Index of all KSP routines</A>
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