GAMS World Forum

Manassaldi wrote: ↑2 years ago hi, try with this sets definition

sets i /i1*i10/
;
alias(i,j)


eq1(i).. x(i) =E= sum(j$(ord(j) le ord(i)),y(j));

best

Thanks a lot man! I totally forgot about the $ condition

Hey guys I am struggling with one equation right now, that I need for my bachelor thesis. Let's say I want to need the following equations X_1 = y_1 X_2 = y_1+y_2 X_3 = y_1+y_2+y_3 ... How do I model this? I tried: Equation(i).. X(i) =E= sum( i, y(i)) but this is apparently wrong because the set (of...