[Coin-bcpdiscuss] Help on porting an ampl code to COIN-OR

[Soumitra Pal]

Hi,

I am a student of IIT Bombay, India. I joined the discussion group recently.

Earlier I implemented a column-generation based algorithm for the 
cutting stock problem using AMPL. Basically, my AMPL code has a main 
loop. In side the loop, it solves the master & subproblem using the AMPL 
solver interface to the CPLEX. In between solving the two problems, my 
AMPL code makes some modifications to the problem variables. But the 
problem is that AMPL (student edition) does not allow more than 300 
variables. So I could not run the my algorithm for bigger examples.

I thought that the same can be implemented using the coin-or 
infrastructure. Does anybody have similar experience that can be shared?

Thanks in advance
Soumitra.