[Lemon-user] Cplex MIP options

[Alpar Juttner]

Hi,

There is no direct support for this feature in LEMON. You can however
access the underlying CPLEX API using the cplexEnv() and cplexLp()
member function of CplexMIP.

CPLEX can be terminated on various conditions, please find a summary
here:
http://pic.dhe.ibm.com/infocenter/cosinfoc/v12r3/topic/ilog.odms.cplex.help/Content/Optimization/Documentation/Optimization_Studio/_pubskel/ps_usrmancplex1812.html

Unfortunately it doesn't seem to directly provide the one you actually
need, but it is still possible by using callback. See this page for more
details:
http://www-01.ibm.com/support/docview.wss?uid=swg21449686

Regards,
Alpar

On Fri, 2013-03-01 at 10:12 +1300, Stephan Hassold wrote:
> Hello, 
> I am solving MIPs using Lemon and CPLEX and everything is working
> great. However, now I would like to limit the time Cplex is using to
> find a solution and/or tell it to stop if the gap between the the best
> integer and the best bound is below a certain limit.
> Unfortunately I could not find any options in the code or the manual.
> When I searched with google, the only reference I find is regarding
> glpk and it seems like the options has to passed on to CMAKE.
> 
> 
> I would appreciate any help!
> 
> 
> THANKS!
> Cheers,Stephan
> 
> 
> 
> 
> 
> 
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