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math.NA2022
Preconditioned Chebyshev BiCG for parameterized linear systems
Siobhán Correnty, Elias Jarlebring, Daniel B. Szyld
We consider the problem of approximating the solution to for many different values of the parameter . Here we assume is large, sparse, and nonsingular wit…
math.NA2022★ 5 cited
On the Convergence of Randomized and Greedy Relaxation Schemes for Solving Nonsingular Linear Systems of Equations
Andreas Frommer, Daniel B. Szyld
We extend results known for the randomized Gauss-Seidel and the Gauss-Southwell methods for the case of a Hermitian and positive definite matrix to certain classes of non-Hermitian…