GAMS World Forum

Hello, I have the problem that I have to divide in an equation by a positive variable (Batt_Kap_ges): Eq_eta_ges.. Eta_ges =e= sum(Set_Batt, Anz_Batt(Set_Batt) * Batt_Kap(Set_Batt) * eta(Set_Batt)) / Batt_Kap_ges; The equation triggers the error message "Endogenous operands for / not allowed in...