GAMS World Forum

Hi, My problem is very similar to above. I get Error: overflow in + operation (addop) I was trying to find a solution to the summation I use in the equation (red line), but I couldn't find a solution with the similar problem. You can see that I use two "T"-temporary variables first to do t...

I need to transport some parameters from *.gdx file into excel. I would like to do it precisely column by column, no transportation of columns into rows. My code is the following: execute_unload 'VarToBrugegruppe.gdx', qabg quabg qsabg; execute 'gdxxrw VarToBrugegruppe.gdx o=TabelA15.xlsx filter=1 t...

Now it works. It should be "\" and not "/".

I have *.gdx files (created externally from R program) that are placed in a different directory "gdx", which is a sub-directory to my working directory. I want to read them in to GAMS. I tried the options above, but they do not work. How can I include them into GAMS from the "gdx"...

Thank you! It seems it works on my 64bit computer, but I couldn't make it work on 32bit. There is no commend line in GAMS Studio installed on 32bit computer. Anyway, in case when you want to call/include this mymodel.gdx file from that folder, like this: $gdxin mymodel.gdx $load ... you just press F...

Dear, I have a question concerning gdx-output changing path. I am writing a code in a normal *.gms file named LINE2.gms. I press F10 and automatically comes LINE2.gdx file in the same directory. I would like to have this LINE2.gdx file placed in a different directory, for example: ""gdx&qu...

I have been trying to use $macro commend instead of repeating the lines (attached file/snipping shot) 23 times. But I cannot make it work. What I need to do is the following: a. first I recalculate a sector using some variables, b. than I save recalculated values in a variable, c. I clean the variab...

I have sth like this (se attachment). And I tried to apply your code, but it says: "Lags are not allowed on maps".

I would like to make a loop from 2014 to 2000 - in ascending order, and not from 2000 to 2014.

Hi, to be able to compare them I think they should be defined as parameters. Another possibility is to use auxiliary parameters. To search for a string in a set, I usually use the "sameas" command. Bye! Yes, thank you ! I used "sameas" command :) Another think is that I want to ...