Journal of Global Optimization

, Volume 65, Issue 2, pp 231–259 | Cite as

Dynamic programming approximation algorithms for the capacitated lot-sizing problem



This paper provides a new idea for approximating the inventory cost function to be used in a truncated dynamic program for solving the capacitated lot-sizing problem. The proposed method combines dynamic programming with regression, data fitting, and approximation techniques to estimate the inventory cost function at each stage of the dynamic program. The effectiveness of the proposed method is analyzed on various types of the capacitated lot-sizing problem instances with different cost and capacity characteristics. Computational results show that approximation approaches could significantly decrease the computational time required by the dynamic program and the integer program for solving different types of the capacitated lot-sizing problem instances. Furthermore, in most cases, the proposed approximate dynamic programming approaches can accurately capture the optimal solution of the problem with consistent computational performance over different instances.


Approximate dynamic programming Approximation algorithms  Data fitting Production and inventory control  Mixed-integer programming  Capacitated lot-sizing 



We gratefully acknowledge the support of the NSF under Grant No. EPS-0903806 and the state of Kansas through the Kansas Board of Regents, and the Strategic Engineering Research Fellowship (SERF) of the College of Engineering at Wichita State University. We also thank anonymous referees and the associate editor, whose remarks helped to clarify our exposition.


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Industrial and Manufacturing EngineeringWichita State UniversityWichitaUSA

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