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Euclidean Distance Matrix Completion via Asymmetric Projected Gradient Descent

2025/04/28 by Yicheng Li, Xinghua Sun, Li, Yicheng +1
Computer Science · Engineering · Mathematics · #Bernoulli's principle #Curvature #Euclidean space #FOS: Computer and information sciences #FOS: Electrical engineering #Gradient descent #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Manifold (fluid mechanics) #Matrix (chemical analysis) #Matrix completion #Numerical methods in inverse problems #Random matrix #Restricted isometry property #Signal Processing (eess.SP) #Sparse and Compressive Sensing Techniques #Stochastic Gradient Optimization Techniques #Stochastic gradient descent #electronic engineering #information engineering

paper · pdf · doi:10.48550/arxiv.2504.19530

published in arXiv (Cornell University) (Cornell University)

openalex publication_date 2025/04/28 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

This paper proposes and analyzes a gradient-type algorithm based on Burer-Monteiro factorization, called the Asymmetric Projected Gradient Descent (APGD), for reconstructing the point set configuration from partial Euclidean distance measurements, known as the Euclidean Distance Matrix Completion (EDMC) problem. By paralleling the incoherence matrix completion framework, we show for the first time that global convergence guarantee with exact recovery of this routine can be established given O(μ2 r3 κ2 n log n) Bernoulli random observations without any sample splitting. Unlike leveraging the tangent space Restricted Isometry Property (RIP) and local curvature of the low-rank embedding manifold in some very recent works, our proof provides extra upper bounds that act as analogies of the random graph lemma under EDMC setting. The APGD works surprisingly well and numerical experiments demonstrate exact linear convergence behavior in rich-sample regions yet deteriorates rapidly when compared with the performance obtained by optimizing the s-stress function, i.e., the standard but unexplained non-convex approach for EDMC, if the sample size is limited. While virtually matching our theoretical prediction, this unusual phenomenon might indicate that: (i) the power of implicit regularization is weakened when specified in the APGD case; (ii) the stabilization of such new gradient direction requires substantially more samples than the information-theoretic limit would suggest.

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