Comments on another hybrid conjugate gradient algorithm for unconstrained optimization by Andrei

Comments on another hybrid conjugate gradient algorithm for unconstrained optimization by Andrei

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Article ID: iaor201526154
Volume: 69
Issue: 2
Start Page Number: 337
End Page Number: 341
Publication Date: Jun 2015
Journal: Numerical Algorithms
Authors: ,
Keywords: gradient methods
Abstract:

In this note, we show that there are some improvements in the proof of Theorem 2 and Theorem 4 in Andrei (2008). Moreover, the assumption 0 < c 1θ k < 1 of Theorem 2 can be deleted. Throughout, we use the same notations and equation numbers as Andrei (2008).

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