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<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Hi,</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Does anyone know how to trace the branch-and-bound
search with Cbc? Actually, I want to know the following information at each variable
branch:</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal style='margin-left:18.0pt;text-indent:-18.0pt'><font size=1
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>1.<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><font size=1 face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial'>The solution of the LP relaxation</span></font></p>
<p class=MsoNormal style='margin-left:18.0pt;text-indent:-18.0pt'><font size=1
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>2.<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><font size=1 face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial'>The variable is being branched</span></font></p>
<p class=MsoNormal style='margin-left:18.0pt;text-indent:-18.0pt'><font size=1
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>3.<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><font size=1 face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial'>The direction of the branch (left or
right?)</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Also, what is the default branching heuristic for Cbc?</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Thanks.</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Spencer</span></font></p>
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