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2000 MCS Divisional Seminars & Colloquia


An Iterative Method for Solving Complex-Symmetric Systems Arising in Electrical Power Modeling

   Victoria E. Howle
Cornell University
  Hosted by Paul Hovland

10:30 AM, April 4, 2000
Building 221,  Room A-216


Abstract We propose an iterative method for solving a complex-symmetric linear system arising in electric power networks. Our method extends Gremban, Miller and Zagha's support-tree preconditioner to handle complex weights and vastly different admittances. Our underlying iteration is a modification to BiCG to enhance accuracy. In this talk I'll describe our extensions to support-tree preconditioners and our modifications to BiCG and present some computational results.




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