You’re at the checkout screen after an online shopping spree, ready to enter your credit card number. You type it in and ...

We consider the n-period economic lot sizing problem, where the cost coefficients are not restricted in sign. In their seminal paper, H. M. Wagner and T. M. Whitin proposed an O (n 2) algorithm for ...

In the aspect of computation, the corresponding algorithm is designed and time complexity of algorithm is calculated. Moreover, the attribute reduction model of relative knowledge granularity of ...