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<div id="version" align=right><b>slepc-3.22.2 2024-12-02</b></div>
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<H1>EPSLanczosSetReorthog</H1>
Sets the type of reorthogonalization used during the Lanczos iteration.
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
#include "slepceps.h"
<A HREF="https://petsc.org/release/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../EPS/EPSLanczosSetReorthog.html#EPSLanczosSetReorthog">EPSLanczosSetReorthog</A>(<A HREF="../EPS/EPS.html#EPS">EPS</A> eps,<A HREF="../EPS/EPSLanczosReorthogType.html#EPSLanczosReorthogType">EPSLanczosReorthogType</A> reorthog)
</PRE>
Logically Collective
<P>
<H3><FONT COLOR="#883300">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>eps </B></TD><TD> - the eigenproblem solver context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>reorthog </B></TD><TD> - the type of reorthogonalization
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Options Database Key</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-eps_lanczos_reorthog </B></TD><TD> - Sets the reorthogonalization type (either 'local', 'selective',
'periodic', 'partial', 'full' or 'delayed')
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
<A HREF="../EPS/EPSLanczosGetReorthog.html#EPSLanczosGetReorthog">EPSLanczosGetReorthog</A>(), <A HREF="../EPS/EPSLanczosReorthogType.html#EPSLanczosReorthogType">EPSLanczosReorthogType</A>
<BR><P><B></B><H3><FONT COLOR="#883300">Level</FONT></H3>advanced<BR>
<H3><FONT COLOR="#883300">Location</FONT></H3>
</B><A HREF="../../../src/eps/impls/krylov/lanczos/lanczos.c.html#EPSLanczosSetReorthog">src/eps/impls/krylov/lanczos/lanczos.c</A>
<BR><BR><A HREF="./index.html">Index of all EPS routines</A>
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