Search found 4 matches

by betulkayisoglu
1 month ago
Forum: Solvers
Topic: Options for cut generation in Cplex
Replies: 0
Views: 188

Options for cut generation in Cplex

Hello,

Cplex automatically creates cuts and there are options for these cuts as -1.do not generate, 0.automatic, 1.moderate and 2.aggressive for cut generation.
When I am using the solver cplex in gams, how can I set these options in Gams?

Thank you for your help

Betül
by betulkayisoglu
3 months ago
Forum: Archive Google Group
Topic: Error reading .lst file
Replies: 4
Views: 961

Re: Error reading .lst file

Dear Paul, I also have a similar problem just like 'Archiever'. At the end of the run I got an error massege saying 'Error reading listing file' As you said I am using loops that result in a lot of output but eventhough I remove the display statement in the loop I got the same error massege. You rec...
by betulkayisoglu
5 months ago
Forum: Syntax
Topic: Any element from a set, urgent
Replies: 4
Views: 309

Re: Any element from a set, urgent

Hi Hussain, Firstly thank you very much for your answer In fact I am not trying to obtain the value of an element. I am working on a network, assume there are 100 nodes. Set P contains 3 of these nodes say 15,17,65 I need to send a flow from one of these nodes so in fact I need to create again a set...
by betulkayisoglu
5 months ago
Forum: Syntax
Topic: Any element from a set, urgent
Replies: 4
Views: 309

Any element from a set, urgent

Hello, In my gams code, by using loops I have iterations and I have a set p which has different elements in each iteration. p(i) = y.l(i) ; I define the set p as above, I have a binary variable y and at each iteration 3 of them take the value 1 so I create my set p according to these binary variable...