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<p>If you mean by SOSn a set of variables where at most n "adjacent" variables can be non-zero, then the answer is no. <br>
<br>
However it would only take a few hours for any user to create a new class which would do what was needed - just a bit of cut and paste.<br>
<br>
John Forrest<br>
<br>
<img width="16" height="16" src="cid:1__=0ABBFE7ADFBC8C388f9e8a93df938@us.ibm.com" border="0" alt="Inactive hide details for ycollet---10/21/2008 03:51:23 AM---Hello,"><font color="#424282">ycollet---10/21/2008 03:51:23 AM---Hello,</font><br>
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<font size="2">ycollet@freesurf.fr</font></td></tr>
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<font size="2">"cbc@list.coin-or.org" <cbc@list.coin-or.org></font></td></tr>
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<font size="2">10/21/2008 03:51 AM</font></td></tr>
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<font size="2" color="#5F5F5F">Subject:</font></td><td width="100%"><img width="1" height="1" src="cid:2__=0ABBFE7ADFBC8C388f9e8a93df938@us.ibm.com" border="0" alt=""><br>
<font size="2">[Cbc] SOS with type > 2</font></td></tr>
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<tt>Hello,<br>
<br>
Do you plan to implement SOSn constraints with n>2 ?<br>
<br>
YC<br>
<br>
<br>
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