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TRIPLE DECOMPOSITION AND TENSOR RECOVERY OF THIRD ORDER TENSORS

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2021; 42 (1)

Motivated by the Tucker decomposition, in this paper we introduce a new tensor decomposition for third order tensors, which decomposes a third order t......

STRUCTURE PRESERVING QUATERNION GENERALIZED MINIMAL RESIDUAL METHOD

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2021; 42 (2)

The main aim of this paper is to develop the quaternion generalized minimal residual method (QGMRES) for solving quaternion linear systems. Quaternion......

INCREMENTAL CP TENSOR DECOMPOSITION BY ALTERNATING MINIMIZATION METHOD

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2021; 42 (2)

In practical applications, incremental tensors are very common: only a portion of tensor data is available, and new data are arriving in the next time......

LOW RANK PURE QUATERNION APPROXIMATION FOR PURE QUATERNION MATRICES

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2021; 42 (1)

Quaternion matrices are employed successfully in many color image processing applications. In particular, a pure quaternion matrix can be used to repr......

A POWER SCHUR COMPLEMENT LOW-RANK CORRECTION PRECONDITIONER FOR GENERAL SPARSE LINEAR SYSTEMS

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2021; 42 (2)

A parallel preconditioner is proposed for general large sparse linear systems that combines a power series expansion method with low-rank correction t......

RESTRICTIVELY PRECONDITIONED CONJUGATE GRADIENT METHOD FOR A SERIES OF CONSTANTLY AUGMENTED LEAST SQUARES PROBLEMS

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2020; 41 (2)

In this study, we analyze the real-time solution of a series of augmented least squares problems, which are generated by adding information to an orig......

THE COMPUTATION OF LOW MULTILINEAR RANK APPROXIMATIONS OF TENSORS VIA POWER SCHEME AND RANDOM PROJECTION

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2020; 41 (2)

This paper is devoted to the computation of low multilinear rank approximations of tensors. Combining the stretegy of power scheme, random projection,......

RIEMANNIAN MODIFIED POLAK-RIBIERE-POLYAK CONJUGATE GRADIENT ORDER REDUCED MODEL BY TENSOR TECHNIQUES

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2020; 41 (2)

This paper presents a new Riemannian modified Polak-Ribiere-Polyak conjugate gradient algorithm to construct the reduced systems of quadratic-bilinear......

SMOOTHING SPLINES AND RANK STRUCTURED MATRICES: REVISITING THE SPLINE KERNEL

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2020; 41 (2)

We show that the spline kernel of order p is a so-called semiseparable function with semiseparability rank p. A consequence of this is that kernel mat......

ADAPTIVE LOW-NONNEGATIVE-RANK APPROXIMATION FOR STATE AGGREGATION OF MARKOV CHAINS

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2020; 41 (1)

This paper develops a low-nonnegative-rank approximation method to identify the state aggregation structure of a finite-state Markov chain under an as......

TENSOR RING DECOMPOSITION: OPTIMIZATION LANDSCAPE AND ONE-LOOP CONVERGENCE OF ALTERNATING LEAST SQUARES

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2020; 41 (3)

In this work, we study the tensor ring decomposition and its associated numerical algorithms. We establish a sharp transition of algorithmic difficult......

A HYBRID PENALTY METHOD FOR A CLASS OF OPTIMIZATION PROBLEMS WITH MULTIPLE RANK CONSTRAINTS

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2020; 41 (3)

In this paper, we consider the problem of minimizing a smooth objective over multiple rank constraints on Hankel structured matrices. These kinds of p......

AN EIGENVALUE-BASED METHOD FOR THE UNBALANCED PROCRUSTES PROBLEM

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2020; 41 (3)

In this paper, we propose a novel eigenvalue-based approach to solving the unbalanced orthogonal Procrustes problem. By making effective use of the ne......

A FAST BLOCK alpha-CIRCULANT PRECONDITONER FOR ALL-AT-ONCE SYSTEMS FROM WAVE EQUATIONS

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2020; 41 (4)

In this paper, we propose a fast block alpha-circulant preconditioner for solving the nonsymmetric linear system arising from an all-at-once implicit ......

EFFICIENT PRECONDITIONING FOR TIME FRACTIONAL DIFFUSION INVERSE SOURCE PROBLEMS

期刊: SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2020; 41 (4)

In this paper, we consider an inverse problem with quasi-boundary value regularization for recovering a source term of the time fractional diffusion e......

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