Hi<br>Where are you using the CbcModel? at Neos Server or you builded the file on your pc? Are you using AMPL?<br><br>Nico<br><br><div><span class="gmail_quote">On 8/30/06, <b class="gmail_sendername">PAN, Zhendong</b> <
<a href="mailto:zhendongpan@163.com">zhendongpan@163.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hello coin-discuss,
<br><br>I tried to use CbcModel to solve a integer program problem. However, the results returned is<br><br><br>Cbc3007W No integer variables - nothing to do<br>Clp0006I 0 Obj 0 Primal inf 70.5 (24)<br>Clp0006I 4 Obj 177.5
<br>Clp0000I Optimal - objective value 177.5<br>Clp0006I 0 Obj 0 Primal inf 70.5 (24)<br>Clp0006I 4 Obj 177.5<br>Clp0000I Optimal - objective value 177.5<br>Cbc0004I Integer solution of 177.5 found after 0 iterations and 0 nodes
<br>Cbc0001I Search completed - best objective 177.5, took 0 iterations and 0 nodes<br>Clp0006I 0 Obj 0 Primal inf 70.5 (24)<br>Clp0006I 4 Obj 177.5<br>Clp0000I Optimal - objective value 177.5<br>Cbc0004I Integer solution of
177.5 found after 0 iterations and 0 nodes<br>Clp0000I Optimal - objective value 177.5<br><br>How can I tell the CbcModel which variables are integer. I found no such examples on <a href="http://www.coin-or.org/Cbc/index.html">
http://www.coin-or.org/Cbc/index.html</a>.<br><br>Best regards,<br><br>PAN, Zhendong<br><a href="mailto:zhendongpan@163.com">zhendongpan@163.com</a><br>2006-08-30<br><br><br>_______________________________________________
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