Table 2: Range and the best value of 𝛽 for the 16th FK family.

FunctionRangeBest value of 𝛽

𝑓 1 , 𝑥 0 = 1 [ 5 , 5 ] a , 𝑎 = 3 , 2 0
𝑓 2 , 𝑥 0 = 1 . 3 [ 5 , 5 ] b , 𝑏 = 3 , 2 , 1 0
𝑓 3 , 𝑥 0 = 2 . 5 [ 5 , 5 ] c , 𝑐 = 1 0
𝑓 4 , 𝑥 0 = 0 . 2 5 [ 5 , 5 ] 1
𝑓 5 , 𝑥 0 = 2 . 5 [ 2 , 5 ] 0
𝑓 6 , 𝑥 0 = 1 / 6 [ 5 , 4 ] 0
𝑓 7 , 𝑥 0 = 3 . 5 [ 5 , 5 ] 1