Paved with good intentions: analysis of a randomized block Kaczmarz method
The block Kaczmarz method is an iterative scheme for solving overdetermined least-squares
problems. At each step, the algorithm projects the current iterate onto the solution space of a …
problems. At each step, the algorithm projects the current iterate onto the solution space of a …
Randomized Kaczmarz solver for noisy linear systems
D Needell - BIT Numerical Mathematics, 2010 - Springer
The Kaczmarz method is an iterative algorithm for solving systems of linear equations Ax= b.
Theoretical convergence rates for this algorithm were largely unknown until recently when …
Theoretical convergence rates for this algorithm were largely unknown until recently when …
[KSIĄŻKA][B] Alternating projection methods
R Escalante, M Raydan - 2011 - SIAM
Due to their utility and broad applicability in many areas of applied mathematics and
physical science (eg, computerized tomography, Navier–Stokes equations, pattern …
physical science (eg, computerized tomography, Navier–Stokes equations, pattern …
Convergence rates for greedy Kaczmarz algorithms, and faster randomized Kaczmarz rules using the orthogonality graph
The Kaczmarz method is an iterative algorithm for solving systems of linear equalities and
inequalities, that iteratively projects onto these constraints. Recently, Strohmer and …
inequalities, that iteratively projects onto these constraints. Recently, Strohmer and …
Almost sure convergence of the Kaczmarz algorithm with random measurements
X Chen, AM Powell - Journal of Fourier Analysis and Applications, 2012 - Springer
The Kaczmarz algorithm is an iterative method for reconstructing a signal x∈ ℝ d from an
overcomplete collection of linear measurements yn=< x, φ n>, n≥ 1. We prove quantitative …
overcomplete collection of linear measurements yn=< x, φ n>, n≥ 1. We prove quantitative …
[HTML][HTML] Kaczmarz's anomaly: A surprising feature of Kaczmarz's method
A Dax - Linear Algebra and its Applications, 2023 - Elsevier
This paper exposes one of the more fascinating features of Kaczmarz's method. Let A x= b
denote the linear system to solve, where A∈ R m× n and b=(b 1, b 2,…, bm) T∈ R m. Let the …
denote the linear system to solve, where A∈ R m× n and b=(b 1, b 2,…, bm) T∈ R m. Let the …
Accelerated randomized methods for receiver design in extra-large scale MIMO arrays
Massive multiple-input-multiple-output (M-MIMO) features a capability for spatial
multiplexing of large number of users. This number becomes even more extreme in extra …
multiplexing of large number of users. This number becomes even more extreme in extra …
Convergence rates for Kaczmarz-type algorithms
C Popa - Numerical Algorithms, 2018 - Springer
In this paper, we make a theoretical analysis of the convergence rates of Kaczmarz and
extended Kaczmarz projection algorithms for some of the most practically used control …
extended Kaczmarz projection algorithms for some of the most practically used control …
On the randomized Kaczmarz algorithm
L Dai, M Soltanalian… - IEEE Signal Processing …, 2013 - ieeexplore.ieee.org
The Randomized Kaczmarz Algorithm is a randomized method which aims at solving a
consistent system of over determined linear equations. This letter discusses how to find an …
consistent system of over determined linear equations. This letter discusses how to find an …
Randomized Kaczmarz algorithms: Exact MSE analysis and optimal sampling probabilities
The Kaczmarz method, or the algebraic reconstruction technique (ART), is a popular method
for solving large-scale overdetermined systems of equations. Recently, Strohmer et al …
for solving large-scale overdetermined systems of equations. Recently, Strohmer et al …