NO

Formula

Authors

1

β k H S = g k + 1 T y k y k T s k

Hestenes and Stiefel (HS) [6]

2

β k F R = g k + 1 T g k + 1 g k T g k

Fletcher and Reeves (FR) [7]

3

β k P R P = g k + 1 T y k g k T g k

Polak-Ribiere (PRP) [8] [9]

4

β k C D = g k + 1 T g k + 1 y k T s k

Conjugate Descent (CD) [10]

5

β k L S = g k + 1 T y k g k T s k

Liu and Storey (LS) [11]

6

β k D Y = g k + 1 T g k + 1 y k T s k

Dai-Yuan method (DY) [12]

7

β k n e w = g k + 1 T y k d k T y k α k 2 d k T g k y k T y k

Al-Naemi and Hamed [13]