GAMS World Forum

Hi,
When I run a model, the list window doesn't pop up automatically. Where do I need to find and open it? I need your help badly.

Dear all， :D I'm a green hand. Because when I convert an Excel file to a GDX file, the number 0 in the Excel table is automatically deleted and can not be saved when converted to a GDX file. What do I need to do if I want to save data 0 in the GDX file? The situation is urgent, I really need your he...

Thank you for your help. I have solved this problem

Hi, We want PS1 to be a subset of CIOT. PS1 has the same arrangement of elements as PS. However, after I declared PS1 as a subset of CIOT, the original two errors were resolved correctly, but five more errors (Domain violation for set) were added. This IOM is the original model we did not modify bef...

Dear all ;) , I'm fairly new at GAMS. I use a series of input-output models(IOM) for my calculations. But two syntax errors occurred when I wrote the collection field. May I ask how I need to modify it? I wrote the following Parameters, but the runtime " xx(PS,PS1)= IOT30(PS,PS1); " and “ ...