Jörg,
Xypron has good example how to implement these fake field, multi
dimension set, and setof() Andrew mentioned.
http://www.mail-archive.com/help-glpk@gnu.org/msg03506.html
>From Xypron example
~
# CROP_ID CROPTYPE Period Ini_Age
set S dimen 4;
# Period
set P := setof{(i,
> In my optimization model, I read data from several .csv-files. This
> looks as follows:
>
> table loaddata IN "CSV" "Exp.csv":L<-[LType, App,Time]
> table costdata IN "CSV" "disc_data.csv":C<-[Provider,Function, Type]
> table ressourcedata IN "CSV" "ress_data.csv":R<-[Provider, Server, Size]
>
Hello!
In my optimization model, I read data from several .csv-files. This looks as
follows:
table loaddata IN "CSV" "Exp.csv":L<-[LType, App,Time]
table costdata IN "CSV" "disc_data.csv":C<-[Provider,Function, Type]
table ressourcedata IN "CSV" "ress_data.csv":R<-[Provider, Server, Siz