Hello to everyone

I need to perform a parameter scan. I want to scan 3 parameter in a combinatorial manner. In order to do that I created 3 vector sets with alternative parameter values

and putted the solve statement in a 3 nested loops, something like:

loop i)

loop j)

loopz)

parameter1=par1(i);

parameter2=par2(j);

parameter3=-par3(z);

SOLVE …USING NLP MAXIMIZING …;

I created a 2-dimensional set to collect results. I would like to store result in column vectors with the number of columns being equal to i*j*z (1 column per loop cycle)

the problem is that if I was not able to control the column index of the 2-dimensional table result. I tryied to define a cycle counter in the most nested loop

and to put the second index of table result under the control of such counter but GAMS doesn’t accept parameters as set index.

Is there a rapid way to put a set index under the control of a parameter (loop counter in my case)?

Thank you in advance for your suggestions

Sandro

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