Chen Greif
Professor and Head
Department of Computer Science
The University of British Columbia
Chen Greif, August 2012

Mailing address:
Department of Computer Science
The University of British Columbia
201 - 2366 Main Mall
Vancouver BC, V6T 1Z4

ICCS 219 (research office) or ICCS 201A (Head's office) (map)
+1 604 827 5185 (research office) or +1 604 822 6056 (Head's office)

Research Interests

scientific computing - numerical linear algebra
  • matrix theory and analysis
  • iterative solvers and preconditioning techniques for sparse linear systems
  • saddle-point linear systems
  • numerical solution of elliptic partial differential equations
  • linear algebra aspects of constrained optimization problems


A First Course in Numerical Methods
Published by SIAM, 2011
(intended for undergraduate and beginning graduate students)

Errata (last updated: February 8, 2016)

Supplementary material including Matlab programs
Ascher and Greif


  • Section Editor, Computational Methods in Science and Engineering, SIAM Journal on Scientific Computing
  • Member, Editorial Board, SIAM Computational Science and Engineering Book Series
  • Chair, I.E. Block Community Lecture Selection Committee (SIAM)
  • Member, SIAM Book Committee

  • Publications || Teaching || Bio