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Solving rank one revised linear systems by the scaled ABS method

Published online by Cambridge University Press:  17 February 2009

Keyvan Amini
Affiliation:
Department of Mathematical Sciences, Sharif University of Technology, Tehran, Iran; e-mail: keyvanamini1353@yahoo.com or Amini@hotmail.com.
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Abstract

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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.

Information

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 2004