Scientific Computing, Applied and Industrial Mathematics (SCAIM) Seminar: Jim Varah

  • Date: 01/28/2020
  • Time: 12:30
Jim Varah, UBC

University of British Columbia


Error Bounds for Symmetric Iterative Methods from Minimal Polynomials


Error bounds for the conjugate gradient method using minimal polynomials are well known. What are less well known are comparable bounds for indefinite systems using minimal polynomials over two intervals. The key result goes back to Akhieser, with significant enhancements by Fischer.

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Location: ESB 4133