An Improved Squirrel Search Algorithm for Optimization

Table 4

Statistical results obtained by ISSA, SSA, PSO, CMFOA, IFFO, and FOA through 10 independent runs on unimodal benchmark functions with n = 50.

Fun		ISSA	SSA	PSO	CMFOA	IFFO	FOA
F1	Mean	1.9373E-45	2.4408E-07	8.9004E+03	3.6571E-21	3.2632E-11	2.8288E+02
	Std	4.0611E-45	7.2161E-08	1.0186E+03	9.0310E-22	8.2802E-12	1.8277E+01
F2	Mean	6.6667E-01	2.1716E+00	8.0535E+05	1.2514E+00	6.6667E-01	8.2661E+02
	Std	8.2003E-16	2.2142E+00	1.1670E+05	1.2485E+00	2.5423E-10	7.7814E+01
F3	Mean	0.0000E+00	7.6318E-11	8.6602E-01	0.0000E+00	4.1100E-13	5.1246E-02
	Std	2.2204E-16	2.2120E-11	1.8360E-02	2.3984E-16	1.4800E-13	4.0430E-03
F4	Mean	3.0671E-38	9.7033E-04	4.6756E+08	1.9432E-17	1.0621E-07	3.8893E+07
	Std	6.9186E-38	3.4464E-04	6.0135E+07	1.1627E-17	7.6083E-08	7.3301E+06
F5	Mean	7.1557E-03	2.9566E-01	5.3164E+01	1.0084E-02	7.3580E-03	1.0458E-01
	Std	2.3021E-03	3.3200E-02	6.4915E+00	2.6523E-03	1.8100E-03	2.6586E-02
F6	Mean	4.3706E-11	9.5471E+01	7.0118E+07	7.7331E+01	4.7194E+01	6.5331E+04
	Std	9.5151E-11	3.5358E+01	5.3302E+06	3.4463E+01	4.0976E+01	1.3721E+04
F7	Mean	1.2947E-41	2.3079E-05	9.1659E+05	6.9771E-21	6.4025E-11	2.8862E+04
	Std	3.7876E-41	5.8814E-06	9.3287E+04	3.1808E-21	2.6901E-11	2.8375E+03
F8	Mean	6.0872E-11	1.2706E-01	6.7093E+01	8.4930E-11	7.1576E-06	1.1919E+01
	Std	2.5158E-11	3.3391E-02	2.5011E+00	1.1107E-11	6.9032E-07	1.0404E+00
F9	Mean	1.8289E-23	3.8822E-04	2.0565E+10	6.0338E-11	6.3442E-06	1.1434E+05
	Std	2.8884E-23	7.2525E-05	6.3864E+10	6.4165E-12	9.0797E-07	2.4588E+05
F10	Mean	1.2924E-44	1.4594E-06	4.1629E+04	2.2846E-22	2.0175E-12	1.0536E+03
	Std	2.5807E-44	6.0662E-07	3.7125E+03	4.1424E-23	5.2761E-13	5.9785E+01
F11	Mean	4.4745E-163	1.9208E-58	9.2852E-03	1.1169E-24	5.1458E-15	1.6917E-06
	Std	0.0000E+00	2.2612E-58	3.5776E-03	1.4674E-24	8.2130E-15	9.4517E-07