TITLE

On the truncated conjugate gradient method

AUTHOR(S)
Yuan, Y.
PUB. DATE
March 2000
SOURCE
Mathematical Programming;2000, Vol. 87 Issue 3, p561
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Abstract. In this paper, we consider the truncated conjugate gradient method for minimizing a convex quadratic function subject to a ball trust region constraint. It is shown that the reduction in the objective function by the solution obtained by the truncated CG method is at least half of the reduction by the global minimizer in the trust region.
ACCESSION #
4687852

 

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