Question about MIP start

[EnsignDaniels]

Dear Colleagues,

I've been using Cbc in my own research and I believe I need some help. The question is, how can I assign the values (=0) to the variables, which aren't in the .sol file? To make it more clear, I have about 250000 variables in total, but only 850 of them are listed in the .sol, rest should be equal to zero. Is there a key in Cbc, that will allow it to set those rest variables as zeros?

Thanks

[jjhforrest]

Try using

…

-printing all -solution x.sol to get sol file with 250,000 values

On 19/05/2021 10:54, Daniel Khachay wrote: Dear Colleagues, I've been using Cbc in my own research and I believe I need some help. The question is, how can I assign the values (=0) to the variables, which aren't in the .sol file? To make it more clear, I have about 250000 variables in total, but only 850 of them are listed in the .sol, rest should be equal to zero. Is there a key in Cbc, that will allow it to set those rest variables as zeros? Thanks — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#401>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ABWJYHBRG5QSI3YPZWXPQI3TOODDXANCNFSM45EJHODQ>.

[EnsignDaniels]

Thanks for fast reply. But I believe this isn't exactly what I need. This feature provides all the data, including dual bounds etc. What I need is just all values of all variables in the model. Similar to one provided by Gurobi solver.