<div dir="ltr"><div>I am experimenting with setting my problem variables to be non-initial and having them 'priced-in'. See below for an example of what is going on.</div><div><br></div><div>The line where we get 2000 cols makes sense, since this is the (default) value of pricing/maxvarsroot = 2000. However on the next iteration we end up with ~30k columns.</div><div>I don't see why we don't just end up with 4000. Can anyone illuminate me?</div><div><br></div><div>Note that since I have also marked my variables as 'removable' most of them get (perhaps temporarily) removed a little later on.</div><div><br></div><div>James</div><div> <font face="monospace, monospace"> </font></div><div><font face="monospace, monospace"><br></font></div><div><font face="monospace, monospace">.....</font></div><div><font face="monospace, monospace">1 constraints of type <dagcluster></font></div><div><font face="monospace, monospace">Presolving Time: 14.87</font></div><div><font face="monospace, monospace"><br></font></div><div><font face="monospace, monospace"> time | node | left |LP iter| mem |depth|mdpt |frac |cons |cols |rows |cuts |pool |confs|strbr| dualbound | primalbound | gap </font></div><div><font face="monospace, monospace"> 16.6s| 1 | 0 | 2 | 249M| 0 | 0 | - |1275 |2000 | 23 | 0 | 0 | 0 | 0 | 0.000000e+00 | -- | Inf </font></div><div><font face="monospace, monospace"> 16.7s| 1 | 0 | 23 | 250M| 0 | 0 | 0 |1275 | 30k| 23 | 0 | 0 | 0 | 0 |-6.120109e+04 | -- | Inf </font></div><div><font face="monospace, monospace">k16.8s| 1 | 0 | 23 | 250M| 0 | 0 | 0 |1275 | 30k| 23 | 0 | 0 | 0 | 0 |-6.120109e+04 |-8.017084e+04 | 31.00%</font></div><div><font face="monospace, monospace"> 17.1s| 1 | 0 | 210 | 261M| 0 | 0 | 0 |1275 | 30k| 149 | 126 | 8 | 0 | 0 |-6.120109e+04 |-8.017084e+04 | 31.00%</font></div><div><font face="monospace, monospace"> 17.2s| 1 | 0 | 210 | 261M| 0 | 0 | 0 |1275 | 30k| 149 | 126 | 8 | 0 | 0 |-6.396899e+04 |-8.017084e+04 | 25.33%</font></div><div><font face="monospace, monospace"> 18.1s| 1 | 0 | 444 | 288M| 0 | 0 | 58 |1275 | 30k| 288 | 265 | 9 | 0 | 0 |-6.396899e+04 |-8.017084e+04 | 25.33%</font></div><div><font face="monospace, monospace"> 18.3s| 1 | 0 | 463 | 288M| 0 | 0 | 55 |1275 | 30k| 288 | 265 | 9 | 0 | 0 |-6.566947e+04 |-8.017084e+04 | 22.08%</font></div><div><font face="monospace, monospace">k18.4s| 1 | 0 | 463 | 288M| 0 | 0 | 55 |1275 | 30k| 288 | 265 | 9 | 0 | 0 |-6.566947e+04 |-7.959231e+04 | 21.20%</font></div><div><font face="monospace, monospace"> 19.9s| 1 | 0 | 1144 | 299M| 0 | 0 | 136 |1275 | 30k| 366 | 343 | 10 | 0 | 0 |-6.566947e+04 |-7.959231e+04 | 21.20%</font></div><div><font face="monospace, monospace"> 20.4s| 1 | 0 | 1211 | 299M| 0 | 0 | 152 |1275 | 30k| 366 | 343 | 10 | 0 | 0 |-6.640382e+04 |-7.959231e+04 | 19.86%</font></div><div><font face="monospace, monospace"> 22.1s| 1 | 0 | 1782 | 301M| 0 | 0 | 207 |1275 | 30k| 442 | 419 | 11 | 0 | 0 |-6.640382e+04 |-7.959231e+04 | 19.86%</font></div><div><font face="monospace, monospace"> 22.7s| 1 | 0 | 1851 | 301M| 0 | 0 | 221 |1275 | 30k| 442 | 419 | 11 | 0 | 0 |-6.643694e+04 |-7.959231e+04 | 19.80%</font></div><div><font face="monospace, monospace">k22.8s| 1 | 0 | 1851 | 301M| 0 | 0 | 221 |1275 | 30k| 442 | 419 | 11 | 0 | 0 |-6.643694e+04 |-7.919237e+04 | 19.20%</font></div><div><font face="monospace, monospace"> 24.3s| 1 | 0 | 2116 | 416M| 0 | 0 | 197 |1275 | 525 | 416 | 469 | 38 | 0 | 0 |-6.643694e+04 |-7.919237e+04 | 19.20%</font></div><div><font face="monospace, monospace">....</font></div><div><br></div><div><br></div>-- <br><div class="gmail_signature">James Cussens<br>Dept of Computer Science &<br>York Centre for Complex Systems Analysis<br>Room 326, The Hub, Deramore Lane Tel +44 (0)1904 325371<br>University of York Fax +44 (0)1904 500159<br>York YO10 5GE, UK <a href="http://www.cs.york.ac.uk/~jc" target="_blank">http://www.cs.york.ac.uk/~jc</a><br><a href="http://www.york.ac.uk/docs/disclaimer/email.htm" target="_blank">http://www.york.ac.uk/docs/disclaimer/email.htm</a></div>
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