From: The global proof of the Polak–Ribière–Polak algorithm under the YWL inexact line search technique
Algorithms
\(x_{1}\)
\(x_{2}\)
\(x_{3}\)
BFGS [5]
10.8156
0.9826
1.0219
HIWO [14]
13.2813
0.8001
0.9933
Algorithm 1
11.1884
1.0034
0.9993