Andy Wathen

Andrew Wathen

Tutor in Mathematics; Professor of Computational Mathematics
Computer Science
MA Oxf, PhD R'dg

Andy Wathen has been tutor in Applied Mathematics at New College since 1996. Previously he taught at Bristol University. 


He gives tutorials in college on most areas of applied mathematics and also lectures and supervises both undergraduate and postgraduate students in the Mathematical Institute.

Research Interests

His research interests lie in the area of Numerical Analysis: the development and analysis of computational algorithms for mathematical problems such as the solution of equations. Such algorithms lie at the heart of many applications like weather forecasting and MRI scanning.

Selected Publications

  • Finite Elements and Fast Iterative Solvers: with applications in incompressible fluid dynamics, OUP, Oxford, 2005, and 2nd Edition 2014 (with Howard Elman and David Silvester)
  • Constraint preconditioning for indefinite linear systems, SIAM J. Matrix Anal. Appl. vol 21, pp. 1300-1317, 2000. (with Carsten Keller and Nick Gould).
  • A predictive model for colour pattern formation in the butterfly wing of Papilio Dardanus, Hiroshima J. Math. vol. 32, pp. 325-336, 2002. (with Anotida Madzvamuse, Philip Maini and Toshio Sekimura).
  • Genomewide analysis of the host response to malaria in Kenyan children, J. Infectious Diseases vol. 191, pp. 1599-1611, 2005. (with Mike Griffiths et al.)
  • Limited memory solution of bound constrained convex quadratic problems arising in video games, RAIRO-Operations Research vol. 41, pp. 19-34, 2007 (with Michael Ferris and Paul Armand).
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