ANZIAM  J.  46 (2004), 225-236
Solving rank one revised linear systems by the scaled ABS method

Keyvan Amini
  Department of Mathematical Sciences
  Sharif University of Technology
  Tehran
  Iran
  keyvanamini1353@yahoo.com
  or
  Amini@hotmail.com


Abstract
In mathematical programming, an important tool is the use of active set strategies to update the current solution of a linear system after a rank one change in the constraint matrix. We show how to update the general solution of a linear system obtained by use of the scaled ABS method when the matrix coefficient is subjected to a rank one change.
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