Projects per year

## Personal profile

### Research interests

My research interests are in numerical linear algebra, data assimilation and inverse problems.

In particular I am interested in iterative methods for eigenvalue problems and linear systems, Krylov subspace methods, matrix theory and applications.

I am a member of the Numerical Analysis Group in Bath and if you want to find out more about myself, my current research, my publications and other work I do at Bath (and beyond), please have a look at my homepage.

### Keywords

- Numerical Linear Algebra
- Krylov Subspace Methods
- Iterative Methods
- Eigenvalue Problems
- Linear Systems
- Matrix Theory
- Model Order Reduction
- Inverse Problems
- Image Processing
- Data Assimilation
- Matrix Equations

## Fingerprint Fingerprint is based on mining the text of the person's scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

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## Projects 2008 2018

### Attendance of the Householder Symposium XX on Numerical Linear Algebra at Virginia Tech 2017

8/03/17 → 30/06/17

Project: UK charity

## Research Output 2005 2018

### A low-rank approach to the solution of weak constraint variational data assimilation problems

Freitag, M. & Green, D., 15 Mar 2018, In : Journal of Computational Physics. 357, p. 263–281Research output: Contribution to journal › Article

### Balanced model order reduction for linear random dynamical systems driven by Lévy noise

Freitag, M. & Redmann, M., 24 Sep 2018, (Accepted/In press) In : Journal of Computational Dynamics.Research output: Contribution to journal › Article

### GMRES convergence bounds for eigenvalue problems

Freitag, M., Kürschner, P. & Pestana, J., 20 Sep 2016, In : Journal of Computational and Applied Mathematics.Research output: Contribution to journal › Article

### The effect of numerical model error on data assimilation

Jenkins, S., Smith, N., Budd, C. & Freitag, M., 15 Dec 2015, In : Journal of Computational and Applied Mathematics. 290, p. 567-588Research output: Contribution to journal › Article

### Tuned preconditioners for inexact two-sided inverse and Rayleigh quotient iteration

Freitag, M. A. & Kürschner, P., 1 Jan 2015, In : Numerical Linear Algebra with Applications. 22, 1, p. 175-196 22 p.Research output: Contribution to journal › Article