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<TITLE>EPSErrorView</TITLE>
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<div id="version" align=right><b>slepc-3.22.2 2024-12-02</b></div>
<div id="bugreport" align=right><a href="mailto:slepc-maint@upv.es?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: slepc-3.22.2 v3.22.2 docs/manualpages/EPS/EPSErrorView.html "><small>Report Typos and Errors</small></a></div>
<H1>EPSErrorView</H1>
Displays the errors associated with the computed solution (as well as the eigenvalues).
<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/EPSErrorView.html#EPSErrorView">EPSErrorView</A>(<A HREF="../EPS/EPS.html#EPS">EPS</A> eps,<A HREF="../EPS/EPSErrorType.html#EPSErrorType">EPSErrorType</A> etype,<A HREF="https://petsc.org/release/manualpages/Viewer/PetscViewer.html#PetscViewer">PetscViewer</A> viewer)
</PRE>
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>etype </B></TD><TD> - error type
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>viewer </B></TD><TD> - optional visualization context
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Options Database Keys</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-eps_error_absolute </B></TD><TD> - print absolute errors of each eigenpair
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-eps_error_relative </B></TD><TD> - print relative errors of each eigenpair
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-eps_error_backward </B></TD><TD> - print backward errors of each eigenpair
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Notes</FONT></H3>
By default, this function checks the error of all eigenpairs and prints
the eigenvalues if all of them are below the requested tolerance.
If the viewer has format=<A HREF="https://petsc.org/release/manualpages/Viewer/PetscViewerFormat.html#PetscViewerFormat">PETSC_VIEWER_ASCII_INFO_DETAIL</A> then a table with
eigenvalues and corresponding errors is printed.
<P>
<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
<A HREF="../EPS/EPSSolve.html#EPSSolve">EPSSolve</A>(), <A HREF="../EPS/EPSValuesView.html#EPSValuesView">EPSValuesView</A>(), <A HREF="../EPS/EPSVectorsView.html#EPSVectorsView">EPSVectorsView</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/eps/interface/epsview.c.html#EPSErrorView">src/eps/interface/epsview.c</A>
<P><H3><FONT COLOR="#883300">Examples</FONT></H3>
<A HREF="../../../src/eps/tutorials/ex1f.F90.html">src/eps/tutorials/ex1f.F90</A><BR>
<A HREF="../../../src/eps/tutorials/ex2.c.html">src/eps/tutorials/ex2.c</A><BR>
<A HREF="../../../src/eps/tutorials/ex3.c.html">src/eps/tutorials/ex3.c</A><BR>
<A HREF="../../../src/eps/tutorials/ex4.c.html">src/eps/tutorials/ex4.c</A><BR>
<A HREF="../../../src/eps/tutorials/ex5.c.html">src/eps/tutorials/ex5.c</A><BR>
<A HREF="../../../src/eps/tutorials/ex6f.F90.html">src/eps/tutorials/ex6f.F90</A><BR>
<A HREF="../../../src/eps/tutorials/ex7.c.html">src/eps/tutorials/ex7.c</A><BR>
<A HREF="../../../src/eps/tutorials/ex9.c.html">src/eps/tutorials/ex9.c</A><BR>
<A HREF="../../../src/eps/tutorials/ex10.c.html">src/eps/tutorials/ex10.c</A><BR>
<A HREF="../../../src/eps/tutorials/ex10f.F90.html">src/eps/tutorials/ex10f.F90</A><BR>
<A HREF="../../../src/eps/tutorials/ex11.c.html">src/eps/tutorials/ex11.c</A><BR>
<BR><BR><A HREF="./index.html">Index of all EPS routines</A>
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