Raw material inventory solution in iron and steel industry using Lagrangian relaxation.

Lixin Tang G. Liu Jiyin Liu

Published in: J. Oper. Res. Soc. (2008)

Keyphrases

steel industry
lagrangian relaxation
integer programming
raw material
column generation
feasible solution
np hard
lower bound
lower and upper bounds
dynamic programming
linear programming
branch and bound algorithm
optimal solution
mixed integer programming
listed companies
upper bound
service level