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-i do not know if this list is the appropriate place to ask this
type of questions or the <a
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<br>
-I corrected many errors but now i have some questions:<br>
<br>
When i run the attached program (the DAS function) <br>
trying to solve this problem:</span><a
href="http://imageshack.us/content_round.php?page=done&l=img855/4619/photo31211131234.jpg&via=mupload&newlp=1">http://imageshack.us/content_round.php?page=done&l=img855/4619/photo31211131234.jpg&via=mupload&newlp=1</a><br>
<br>
i get the message "<b>Problem proven infeasible</b>"<br>
<u><br>
The lower bounds are positive.</u><br>
<br>
I used <u>as a guide the SOS1</u> model.<br>
<br>
Is this solver's defect, or SOS1's?<br>
<br>
<br>
<br>
like what should the code, for calling cbc and solving, be?<br>
<br>
If you have some spare time, it would be really helpful to<u> make a
session on teamviewer or skype</u><br>
Thank you<br>
<br>
<br>
On 3/12/2011 12:42, John Forrest wrote:
<blockquote cite="mid:4ED9FCF9.6070701@fastercoin.com" type="cite">
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
Christos,<br>
<br>
The matrix you are passing in is bad. At about line 130 it should
be<br>
<br>
start[k]=k;<br>
<br>
not<br>
<br>
start[k]=t;<br>
<br>
(Odd problem with just one element for each column)<br>
<br>
Problem says infeasible - which it is.<br>
<br>
The SOS says only one of x0,x1,x2 can be nonzero but they all have
positive lower bounds.<br>
<br>
John Forrest<br>
On 03/12/11 09:44, Christos wrote:
<blockquote cite="mid:4ED9EF93.1030203@gmail.com" type="cite">
<meta http-equiv="content-type" content="text/html;
charset=ISO-8859-1">
I know you are very very busy<br>
but it's critical for me to overcome this problem in order to
continue my work<br>
which is not on cbc , but uses it as a tool.<br>
<br>
My work is on solving Day Ahead Schedule problem (energy cost
and efficiency in a country) with convetional methods (an excel
file with data and an exe which uses it) and analyze DAS on it.<br>
<br>
And i only want to use cbc only to solve it, as a tool.<br>
<br>
So, any help on passing the problem to cbc will be much
appreciated.<br>
<br>
When anyone of you, have any free time please contact me in
order to arrange a session.<br>
<br>
I do not think will cost you more than 5 minutes..<br>
<br>
Thank you<br>
<br>
the problem is in the attached file (DAS function)<br>
<br>
<br>
<br>
<br>
-------- Original Message --------
<table class="moz-email-headers-table" border="0"
cellpadding="0" cellspacing="0">
<tbody>
<tr>
<th align="RIGHT" nowrap="nowrap" valign="BASELINE">Subject:
</th>
<td>ask for help</td>
</tr>
<tr>
<th align="RIGHT" nowrap="nowrap" valign="BASELINE">Date:
</th>
<td>Tue, 29 Nov 2011 23:35:16 +0200</td>
</tr>
<tr>
<th align="RIGHT" nowrap="nowrap" valign="BASELINE">From:
</th>
<td>Christos <a moz-do-not-send="true"
class="moz-txt-link-rfc2396E"
href="mailto:chtsolak@auth.gr"><chtsolak@auth.gr></a></td>
</tr>
<tr>
<th align="RIGHT" nowrap="nowrap" valign="BASELINE">To: </th>
<td><a moz-do-not-send="true"
class="moz-txt-link-abbreviated"
href="mailto:cbc@list.coin-or.org">cbc@list.coin-or.org</a></td>
</tr>
</tbody>
</table>
<br>
<br>
<pre>Hi,
because i am trying to understand and pass a problem, which i created,
to cbc, 3 weeks now,
can anyone dedicate 5 minutes, to help me write 5 lines of code via
skype or teamviewer?
He would be really helpful.
Thank you in advance
</pre>
<br>
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<br>
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</pre>
</blockquote>
<br>
</blockquote>
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