This paper introduces a novel geometric approach to robust least-squares optimization, extending classical methods by modeling data uncertainty as a metric ball on a Grassmannian manifold. This formulation leads to a min-max problem that can be solved efficiently, offering a clear geometric interpretation. When applied to data-enabled predictive control for linear-quadratic tracking, the proposed method demonstrates improved robustness and better scalability compared to existing robust least-squares techniques, particularly under conditions of small uncertainty. AI
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IMPACT Introduces a novel optimization technique that could enhance the performance and robustness of AI-driven control systems.
RANK_REASON This is a research paper published on arXiv detailing a new optimization method.