Shaw, D.X.

problem algorithm function production production cost functions value queue / stack lot size problem period problem instances programming capacitated cost functions wagelmans single-item capacitated lot sizing result complexity instance programming algorithm procedure sizing programming procedure element structure backlogging management queue production costs science demand wagelman approach data structure model single-item method number stack inventory argument dp algorithm inventory levels set-up cost capacity level integer extension theorem paper period t production capacity period k single-item capacitated argument value erasmus university rotterdam piece subsequence • • • production cost function amount values fk +i argument values cpu times n periods feature florian set-up section programming approach inventory level recursion author recursion formulas rotterdam test problems queue /stack experiment production schedule second np-hard