Delving Deeper: Optimization on Discrete Domains Using Calculus
Martin E. Malandro and Beth Cory
Edited by Maurice Burke, J. Kevin Colligan, Maria Fung, and Jeffrey Wanko
December 2012, Volume 106, Issue 5, Page 394
The authors describe a calculus-based technique for optimizing functions on discrete domains. They prove that this technique works in general and provide examples for visualizing issues related to it.