hi, it has been answered many times<br>take a look at <br><br>
<a href="http://www.quantum-espresso.org/wiki/index.php/Troubleshooting_%" target="_blank">http://www.quantum-espresso.org/wiki/index.php/Troubleshooting_%</a><br>
28PWscf%29<br>
item 1.12<br><br><br><div class="gmail_quote">On Wed, Jan 7, 2009 at 9:28 PM, loc duong ding <span dir="ltr">&lt;<a href="mailto:mambom1902@yahoo.com">mambom1902@yahoo.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
&nbsp;Thank you for all your replies.<br>
<br>
<br>
I have another problem that is related c_bands eigenvalue. I often get the notice:<br>
<br>
&nbsp;Davidson diagonalization with overlap<br>
&nbsp;c_bands: &nbsp;1 eigenvalues not converged<br>
&nbsp;c_bands: &nbsp;1 eigenvalues not converged<br>
<br>
<br>
&nbsp;But It until runs well. I wonder the result for this calculation is believable<br>
&nbsp;or not.<br>
<br>
&nbsp;Best regards,<br>
&nbsp;-----------------------------------------------<br>
&nbsp;Loc Duong Dinh<br>
&nbsp;Ms-Ph.D Student<br>
&nbsp;Sungkyunkwan Advanced Institute of Nanotechnology,<br>
&nbsp;Sungkyunkwan University,<br>
&nbsp;Suwon, 440-746, Korea<br>
Email: <a href="mailto:mambom1902@yahoo.com">mambom1902@yahoo.com</a><br>
<br>
<br>
<br>
<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Hai-Ping Lan <br>Department of Electronics ,<br>Peking University , Bejing, 100871<br><a href="mailto:lanhaiping@gmail.com">lanhaiping@gmail.com</a>, <a href="mailto:hplan@pku.edu.cn">hplan@pku.edu.cn</a><br>