Article ID: | iaor201526154 |
Volume: | 69 |
Issue: | 2 |
Start Page Number: | 337 |
End Page Number: | 341 |
Publication Date: | Jun 2015 |
Journal: | Numerical Algorithms |
Authors: | Dai Zhifeng, Wen Fenghua |
Keywords: | gradient methods |
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 <