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<div id="version" align=right><b>slepc-3.22.2 2024-12-02</b></div>
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<H1>EPSSetTrackAll</H1>
Specifies if the solver must compute the residual norm of all approximate eigenpairs or not.
<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/EPSSetTrackAll.html#EPSSetTrackAll">EPSSetTrackAll</A>(<A HREF="../EPS/EPS.html#EPS">EPS</A> eps,<A HREF="https://petsc.org/release/manualpages/Sys/PetscBool.html#PetscBool">PetscBool</A> trackall)
</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 eigensolver context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>trackall </B></TD><TD> - whether to compute all residuals or not
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Notes</FONT></H3>
If the user sets trackall=<A HREF="https://petsc.org/release/manualpages/Sys/PETSC_TRUE.html#PETSC_TRUE">PETSC_TRUE</A> then the solver computes (or estimates)
the residual norm for each eigenpair approximation. Computing the residual is
usually an expensive operation and solvers commonly compute only the residual
associated to the first unconverged eigenpair.
<P>
The option '-eps_monitor_all' automatically activates this option.
<P>
<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
<A HREF="../EPS/EPSGetTrackAll.html#EPSGetTrackAll">EPSGetTrackAll</A>()
<BR><P><B></B><H3><FONT COLOR="#883300">Level</FONT></H3>developer<BR>
<H3><FONT COLOR="#883300">Location</FONT></H3>
</B><A HREF="../../../src/eps/interface/epsopts.c.html#EPSSetTrackAll">src/eps/interface/epsopts.c</A>
<BR><BR><A HREF="./index.html">Index of all EPS routines</A>
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