Marcus Webb

According to our database, Marcus Webb authored at least 15 papers between 2012 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

A Riemannian Gradient Descent Method for the Least Squares Inverse Eigenvalue Problem.

Alban Bloor Riley, Marcus Webb, Michael L. Baker

CoRR, April, 2025

Computing accurate eigenvalues using a mixed-precision Jacobi algorithm.

Nicholas J. Higham, Françoise Tisseur, Marcus Webb, Zhengbo Zhou

CoRR, January, 2025

2024

Are Sketch-and-Precondition Least Squares Solvers Numerically Stable?

Maike Meier, Yuji Nakatsukasa, Alex Townsend, Marcus Webb

SIAM J. Matrix Anal. Appl., 2024

Deflation Techniques for Finding Multiple Local Minima of a Nonlinear Least Squares Problem.

Alban Bloor Riley, Marcus Webb, Michael L. Baker

CoRR, 2024

A Sherman-Morrison-Woodbury approach to solving least squares problems with low-rank updates.

Stefan Güttel, Yuji Nakatsukasa, Marcus Webb, Alban Bloor Riley

CoRR, 2024

2022

Sobolev-Orthogonal Systems with Tridiagonal Skew-Hermitian Differentiation Matrices.

Arieh Iserles, Marcus Webb

CoRR, 2022

2021

Solving the linear semiclassical Schrödinger equation on the real line.

Arieh Iserles, Karolina Kropielnicka, Katharina Schratz, Marcus Webb

CoRR, 2021

Approximation of wave packets on the real line.

Arieh Iserles, Karen Luong, Marcus Webb

CoRR, 2021

2020

The AZ Algorithm for Least Squares Systems with a Known Incomplete Generalized Inverse.

Vincent Coppé, Daan Huybrechs, Roel Matthysen, Marcus Webb

SIAM J. Matrix Anal. Appl., 2020

A Differential Analogue of Favard's Theorem.

Arieh Iserles, Marcus Webb

CoRR, 2020

2019

Orthogonal Systems with a Skew-Symmetric Differentiation Matrix.

Arieh Iserles, Marcus Webb

Found. Comput. Math., 2019

A family of orthogonal rational functions and other orthogonal systems with a skew-Hermitian differentiation matrix.

Arieh Iserles, Marcus Webb

CoRR, 2019

Fast Computation of Orthogonal Systems with a Skew-symmetric Differentiation Matrix.

Arieh Iserles, Marcus Webb

CoRR, 2019

2018

Fast polynomial transforms based on Toeplitz and Hankel matrices.

Alex Townsend, Marcus Webb, Sheehan Olver

Math. Comput., 2018

2012

Stability of Barycentric Interpolation Formulas for Extrapolation.

Marcus Webb, Lloyd N. Trefethen, Pedro Gonnet

SIAM J. Sci. Comput., 2012