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<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><SPAN lang="EN-US" style="mso-bidi-font-size: 10.5pt"><FONT face="Times New Roman">Thanks Hande for your answer, but I am still confuse with how to get the value of awin</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">,</SPAN><SPAN lang="EN-US" style="mso-bidi-font-size: 10.5pt"><FONT face="Times New Roman">should I try a lot of data, and then select one?<o:p></o:p></FONT></SPAN></P>
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><SPAN lang="EN-US" style="mso-bidi-font-size: 10.5pt"><FONT face="Times New Roman"> T</FONT><FONT face="宋体">hanks</FONT></SPAN></P>
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><SPAN lang="EN-US" style="mso-bidi-font-size: 10.5pt">penghua</SPAN></P>
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><SPAN lang="EN-US" style="mso-bidi-font-size: 10.5pt">shandong university</SPAN></P>
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><SPAN lang="EN-US" style="mso-bidi-font-size: 10.5pt">P.R.China</SPAN></P>
<P class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><SPAN lang="EN-US" style="mso-bidi-font-size: 10.5pt"><FONT face="宋体"> </FONT></SPAN></P></DIV>
<DIV></DIV><BR><PRE>在2008-08-23,"Hande Ustunel" <hande@newton.physics.metu.edu.tr> 写道:
>Dear penghua,
>
>awin is the width of the window(=interval) around each point over which you
>average the planar average to get the macroscopic average. That is to say,
>it should correspond to something like, in Latex-ish math,
>
> f_{mav}(x)=\int_{-awin/2}^{awin/2} f_{pav}(x-x') dx'
>
>where f is your quantity of choice (density, potential etc).
>
>Hope this helps.
>Best,
>Hande
>
>On Sat, 23 Aug 2008, penghua wrote:
>
>>
>>
>> Hello everyone,
>>
>> I used averge.x to calculate the planer planar average (pav) and macroscopic average (mav) of the resulting quantity of a supercell, but I didn¡¯t understand the meaning of the 'awin' in the input file. What is the use of it? Besides when I changed the value of awin, I got different mav curve, so how should I set the value of awin.
>>
>> Any help will be appreciated.
>>
>>
>>
>> penghua
>>
>> shandong university
>>
>> penghua8503@163.com
>>
>>
>
>--
>Hande Toffoli
>Department of Physics
>Office 439
>Middle East Technical University
>Ankara 06531, Turkey
>Tel : +90 312 210 3264
>http://www.physics.metu.edu.tr/~hande
>
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</PRE>