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<div id="version" align=right><b>slepc-3.23.1 2025-05-01</b></div>
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<H1>NEPNArnoldiGetLagPreconditioner</H1>
Indicates how often the preconditioner is rebuilt.
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
#include "slepcnep.h"
<A HREF="https://petsc.org/release/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../NEP/NEPNArnoldiGetLagPreconditioner.html#NEPNArnoldiGetLagPreconditioner">NEPNArnoldiGetLagPreconditioner</A>(<A HREF="../NEP/NEP.html#NEP">NEP</A> nep,<A HREF="https://petsc.org/release/manualpages/Sys/PetscInt.html#PetscInt">PetscInt</A> *lag)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#883300">Input Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>nep </B></TD><TD> - nonlinear eigenvalue solver
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Output Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>lag </B></TD><TD> - the lag parameter
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
<A HREF="../NEP/NEPNArnoldiSetLagPreconditioner.html#NEPNArnoldiSetLagPreconditioner">NEPNArnoldiSetLagPreconditioner</A>()
<BR><P><B></B><H3><FONT COLOR="#883300">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#883300">Location</FONT></H3>
</B><A HREF="../../../src/nep/impls/narnoldi/narnoldi.c.html#NEPNArnoldiGetLagPreconditioner">src/nep/impls/narnoldi/narnoldi.c</A>
<BR><BR><A HREF="./index.html">Index of all NEP routines</A>
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