[Coin-discuss] clp alternate basis / seed

John J Forrest jjforre at us.ibm.com
Thu Oct 26 11:52:38 EDT 2006


Leo,

You should be able to to use CoinSeedRandom(int) for seed.

For degenerate bases you could pass all basic variables to primalRanging 
and pick up which pivots would not move solution.  You could repeat the 
process as long as you check you are not revisiting previous bases.  On a 
large problem might take a long time.

John Forrest



"Leo Lopes" <leo at sie.arizona.edu> 
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10/25/2006 11:28 PM
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[Coin-discuss] clp alternate basis / seed






Is there a simple way to get CLP to iterate between different optimal
degenerate basis? Also, is there a way to give it a seed so that
debugging is a little easier?

Thanks,
Leo.

-- 
========================================================================
Leonardo B. Lopes                                    leo at sie.arizona.edu
Assistant Professor                                        (520)621-2342
SIE - University of Arizona  http://www.sie.arizona.edu/faculty/leolopes
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