[Coin-discuss] Problem in Osi/Clp...

John J Forrest jjforre at us.ibm.com
Tue Mar 14 13:51:41 EST 2006


Mathieu,

See new branchAndBound at bottom of OsiClpsolverInterface.cpp - tested in 
OsiClpSolverInterfacetest.cpp lines 873 to 890.  Is that what you want?

Sorry it took so long :-)

John Forrest



mathieu lacroix <mathieu.lacroix at isima.fr> 
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03/14/2006 02:03 PM
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[Coin-discuss] Problem in Osi/Clp...






Hi,

I want to use the module CLP and OSI for teaching in university. The 
instruction is linear programming. But in the problem they have to 
solve, there is some part of integer linear programming. As it isn't an 
integer linear programming lesson and as the ILP they have to solve is 
very very small, I would like to solve it using only the modules 
OSI/CLP. I have seen that object OsiXxxInterfaceSolver has a member 
branchAndBound() (It is exactly what I search!). But it seems to not 
work with CLP (but with CPLEX). So, I want to know how to do with 
CLP/COIN, since I don't want to use something like BCP which is too 
complex for the use I need in teaching.

Best regards,

Mathieu LACROIX
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