A computational tool transforms optimization problems from their initial (“primal”) formulation into a corresponding “dual” representation. The dual problem provides a different perspective on the original problem, often leading to more efficient solutions or valuable insights into its structure and properties. For instance, in linear programming, a tool might take a problem seeking to minimize a cost function subject to constraints and recast it into a problem maximizing a lower bound on the optimal cost.
This transformation is significant because the dual representation can offer computational advantages, especially when the primal problem is complex or has a large number of constraints. The dual solution may also provide economic or sensitivity information related to the original problem’s parameters, which is vital in various decision-making scenarios. The development of such transformation techniques has historically been pivotal in the advancement of optimization theory and its applications across diverse fields, including engineering, economics, and operations research.