A Cooperative Harmony Search Algorithm for Function Optimization

Table 7

Results of unrotated Griewangk function.

Algorithm	Mean	Best
SHS	1.06𝑒+000±7.92𝑒−003	1.02𝑒+000
IHS	1.05𝑒+000±5.35𝑒−003	1.02𝑒+000
GHS	3.52𝑒−002±2.78𝑒−002	3.31𝑒−006
CHS6	5.02𝑒−002±9.63𝑒−003	6.61𝑒−012
CHS10	7.06𝑒−002±2.14𝑒−002	1.82𝑒−012
CHS15	7.79𝑒−002±1.49𝑒−002	9.86𝑒−003
CHS30	7.07𝑒−002±2.03𝑒−002	1.72𝑒−002