Nov 15, 2015 · In this paper, we take advantage of the particular geometric structure, and describe a Riemannian trust region algorithm that provably converges ...
Complete Dictionary Recovery Over the Sphere II: ... region method we focus on here, and the curviliear search ... The Riemannian Trust-Region Algorithm Over the ...
A Riemannian trust region algorithm that provably converges to a local minimizer with from arbitrary initializations is described and showed that with high ...
Apr 26, 2015 · This particular geometric structure allows us to design a Riemannian trust region algorithm over the sphere that provably converges to one ...
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Feb 1, 2017 · In this paper, we take advantage of the particular geometric structure and describe a Riemannian trust region algorithm that provably converges ...
We describe a Riemannian trust region method (TRM) [16, 17] over the sphere which can escape these saddle points. Using the geometric characterization in ...
Apr 26, 2015 · derive an algorithm based on the Riemannian trust region method (TRM) [ABG07, AMS09] over the sphere for this purpose. For a function f : Rn ...
This work gives the first efficient algorithm that provably recovers A0 when X0 has O (n) nonzeros per column, under suitable probability model for X0, ...
Complete Dictionary Recovery over the Sphere II: ... region method we focus on here, and the curviliear search ... The Riemannian Trust-Region Algorithm over the ...
Apr 26, 2015 · Abstract. We consider the problem of recovering a complete (i.e., square and invertible) matrix A0, from. Y ∈ Rn×p with Y = A0X0, ...