Search found 14 matches

by ferrib
5 years ago
Forum: Syntax
Topic: .inc files
Replies: 13
Views: 18202

Re: .inc files

Hi there,

I tried GDXXRW but .inc is way faster. I was losing 1 minute to input the data via GDXXRW, but with .inc files it takes literally nothing.

Best regards
by ferrib
5 years ago
Forum: Syntax
Topic: .inc files
Replies: 13
Views: 18202

Re: .inc files

Michael,

Thanks so much for your quick feedback.

Understood the $ondelim and $offdelim, also the first "d". Additionally, I was only declaring the table as "parameter" (and not "table") - and that was working for importing data from the excel.
by ferrib
5 years ago
Forum: Syntax
Topic: .inc files
Replies: 13
Views: 18202

.inc files

Hi there, I am having trouble importing data using ".inc" files. I am able to import data my parameters from an excel sheet. But it takes such a long time to process, and I have an old example where parameters were imported using .inc files so I decided to give it a try (this seemed faster...
by ferrib
5 years ago
Forum: Modeling
Topic: fixing binary variable
Replies: 1
Views: 2152

fixing binary variable

Hi there, I have an array with 4 binary decision variables and i would like to have one of them constant and equal to zero. Is it possible using u.fx('a',t)=0? That would be a matter of simplification, otherwise I need to create new sets to go around and change some formulation already done. Assumin...