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What a stupid am i?<br>
<br>
Thank you very very much!!<br>
I was striving with this only one line (solver1.loadproblem) fro 2
weeks! i read almost any class in Cbc!<br>
<br>
You said:<br>
"Problem says infeasible - which it is.<br>
The SOS says only one of x0,x1,x2 can be nonzero but they all have
positive lower bounds."<br>
<br>
Do you mean that i can not use SOS as a guide to solve my problem?<br>
<br>
Once again thank you!<br>
<br>
<br>
On 3/12/2011 12:42, John Forrest wrote:
<blockquote cite="mid:4ED9FCF9.6070701@fastercoin.com" type="cite">
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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">
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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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