please if some one can help me to fixed the error I'm trying to change (t+1) to (t) and (t) to (t-1) but doesn't work . the program and error attached below as a picture and file lingo .
there is no objective function, if what you are looking for is the maximum amount that you can store water in one hour your objective function would be "Max= .... " Could you explain a little more your variables and constraints?
Paul Alfonso Morales Luque thank you so much i have my program lingo with objective function it works good i wanna just to know how to fix the error of range out (t+1)