Hi all!
I'm working on a model as follows (attachment). Thinking in the cutting stock problem in c + + (*Problem:* http://www.cs.cornell.edu/w8/iisi/ilog/cplex100/usrcplex/usingColumnGen4.html and *Code:*http://www01.ibm.com/support/docview.wss?uid=swg21399997&aid=1). As could add the constraint number 3 to the model?
I appreciate your help,
regards
C.M.
Topic

Re: Problem with constraint in Column generation
20130207T04:29:35ZThis is the accepted answer. This is the accepted answer.Sorry, model description:
 Is a formulation: Colunas Generation
 The decision variable is "x", is greater than zero if the column is considered in the solution
 Restriction 2 ensures that every customer is satisfied
 Restriction 3 limits the number of vehicles in the solution
Assumed that as the price is generating new columns moves, this causes increase in the column space... I need to clean the model and load the columns encountered when applying this restriction (number of columns = K)? ... as should define this set of restrictions to the number of vehicles?
I appreciate your help, I implemented ideas without good results
Regards
C.M.