Activities:

Recent Talks:

• European Computer Science Summit (ECSS) Barcelona, Nov 21, 2012
  Informatics in Schools?-- Urgently Needed!
• SATW TecDay, Kantonsschule Olten, 8. November 2012 und Zürcher Unterland Bülach 5. Dezember 2012
  Alle machen Fehler -- Auch Computer
• Public Lecture 50th Anniversary Faculty of Science Baptist University Hong Kong, May 12, 2011)
  Computational Thinking -- A Necessary Subject in Education
• 2^5 Anniversary of TeX (TUG2010 San Francisco June, 2010)
  Writing the first LaTeX Book
• Pui Ching Middle School Hong Kong, April 18, 2010
  Scientific Computing -- Primary Purpose of Computers
• City University Hong Kong, April 14, 2010
  Computing Zeros of Polynomials

Education:

Books:

• W. Gander, Computermathematik, Birkhäuser Basel, zweite Auflage 1992.
Download this book here (it is in public domain)
• W. Gander, Computermathematik, Lösungen der Aufgaben mit PASCAL Programmen, Birkhäuser Basel, 1986.
  Software: single PASCAL programs     gnuzipped tar-archive of all programs
• W. Gander and J. Hrebicek, ed., Solving Problems in Scientific Computing using Maple and Matlab, Springer Berlin Heidelberg New York, 1993, 2nd edition 1995, 3rd edition 1997, 4th edition 2004.
  Chinese edition by China Higer Education Press Beijing and Springer 1999.
  Portuguese edition by Editora Edgard Blücher Ltda., Sao Paulo, 2001.
  Russian edition of fourth edition: December 2005, Publisher Vassamedia, Minsk, Bjelarus.

  Maple and Matlab Scripts are available on the Book WEB Page

Recent Publications:

• Walter Gander: Zeros of Determinants of $\lambda$-Matrices, (2007). Abstract , Paper (pdf)
• Walter Gander and Pedro Gonnet: Polynomial Recurrence, Newton Correction and Continued Fractions, (2007). Abstract , Paper (pdf)
• Walter Gander: Algorithms for the QR-Decomposition. This is an old unpublished SAM-report (1980) which has been retyped in LaTeX and augmented by an appendix containing all the algorithms as MATLAB functions. Abstract, Paper (pdf)
• Walter Gander: Generating Numerical Algorithms with Computer Algebra, BIT Numerical Mathematics (2006) 46: 491-504 (Special edition dedicated to Germund Dahlquist). Abstract
• Walter Gander: Heisenberg Effects in Computer-Arithmetic. This research focus article on the Department web-page describes problems with modern processors using 80-bit registers (2005).
• Walter Gander: Change of basis in polynomial interpolation, Numer. Linear Algebra Appl. 2005; 12; 769--778. Abstract Report
• W. Gander and W. Gautschi: Adaptive Quadrature - Revisited, BIT Vol. 40, No. 1, March 2000, pp. 84--101. CS technical report: Report (gzipped, 82K). Programs: adaptsim.m, adaptlob.m
• W. Gander and D. Sourlier, Best-Fit of Sculptured Surfaces, 1998, (Also in: G. J. Olling, B. K. Choi and R. B. Jerard, Machining Impossible Shapes, IFIP TC5 WG5.3 International Conference on Sculptured Surface Machining (SSM98), Conference Proceedings, Kluwer Academic Publishers, 1999). Report (gzipped, 298K)
• W. Gander and D. Gruntz, Derivation of Numerical Methods using Computer Algebra, 1998, (Also in SIAM Review Vol 41, Number 3, Sept. 1999). Report (gzipped, 65K)
• P. Arbenz, W. Gander and M. Oettli, The Remote Computation System, Parallel Computing, Vol. 23, 1997, pp. 1421-1428.
• W. Gander and G.H. Golub, Cyclic Reduction - History and Applications, Proceedings of the Workshop on Scientific Computing : 10-12 March, 1997, Hong Kong, editor-in-chief, Gene Howard Golub ; managing editor, Shiu Hong Liu ; editors, Franklin T. Luk, Robert James Plemmons. Springer Verlag, New York, 1997. Also : TR SC-CM 97-02, Stanford University, 1997. Abstract, Report
• R. Strebel, D. Sourlier, W. Gander, A Comparison of Orthogonal Least Squares Fitting in Coordinate Metrology, In: Recent Avances in Total Least Squares Techniques and Errors-In-Variables Modelling. S. Van Huffel (Ed.), SIAM Proceedings series, 1997, pp.~249-258.
• P. Arbenz and W. Gander, Direct Parallel Algorithms for Banded Linear Systems, special volume on ``Numerical Analysis, Scientific Computing, Computer Science'' of Zeitschrift fuer Angewandte Mathematik und Mechanik (ZAMM) Akademie Verlag, Berlin, Proceedings ICIAM 95, 1996.
• W. Gander, G. H. Golub, R. Strebel, Fitting of Circles and Ellipses, BIT 34 (1994), pp. 558-578.
  Report: [plain, or gnu-compressed Postscript]
  Matlab files
• P. Arbenz, W. Gander: A Survey of Direct Parallel Algorithms for Banded Linear Systems, Technical Report 221, Institute of Scientific Computing, ETH Zürich, 1994.
  Report: [plain, or gnu-compressed Postscript]
  

Curriculum Vitae:

Walter Gander, born May 24, 1944, from Saanen (BE). Education: Diploma in mathematics ETH Zürich 1968. Then assistant of H. Rutishauser in his new institute of computer science. Ph.D. in mathematics 1973, supervisor P. Henrici. From 1973 to 1987: Professor for numerical analysis and computer science at the engineering college Neu-Technikum Buchs. 1977/78 Visiting Scientist at Stanford University. 1979 Habilitation and Privatdozent for numerical analysis at ETHZ. 1984, 1993 and 2006 sabbatical leaves again at Stanford University. From 1987 to 1991 associate, since 1991 full professor for computer science at ETH Zürich. From 1989 to 1997 head of the Institute of Scientific Computing. 1990 - 1992: chairmen of the faculty of computer science. 1989 -1991 head of the Swiss Supercomputer Initiative for acquiring the national supercomputer in Manno. From Fall 1997 to Fall 2001 chairman of the department and director of education of computer science.

A complete CV with list of publications is available here (pdf)

Research interests: Scientific computing, i.e. studying the solution of problems with the use of mathematics and computation. Numerical Linear Algebra and Parallel Computing.