Table 2: Test results for LS algorithm.

Prob NI

1(4, 5, 10.1)(−1.74444446043301, −1.74444445793385, 6.97777777040829)4.0987765965103127
2(6.5, 23)(14.92256524764775, 14.92256496282052)−0.9999999999999226
3(7, 11)(−0.00000003058419, −0.49999989218958)−0.2499999999999934
4(2.5, 11.9)(5.99999999851030, 15.99997486954042)−0.99999999998783323
5(7, 9.8)(−0.43256275978261, 0.10814076312008)0.7891770364031019
6(−3, −1, −3, −1)(2.50000015783668, 2.50000010044152, 5.24999984443432, −3.50000007174394)−79.87499999999992 29

: the initial point; : the final point; : the final value of the objective function; NI: the number of times of iteration for each problem.