(e) PSO last iteration

Search variable	Tasks					ET	Cost
	A	B	C	D	E
x 1 2	0.9	0.7	0.3	0.3	0.8	16.7	4.3
v 1 2	−0.1	−0.1	0	0.1	0.2
Plan1 2	3	2	2	2	3
x 2 2	0.7	0.6	0.6	0.6	0.9	16.7	4.3
v 2 2	0.7	0.1	−0.2	−0.3	0.1
Plan2 2	3	2	2	2	3
x 3 2	0.9	0.6	0.5	0.4	0.8
v 3 2	0.1	0.4	−0.2	−0.1	−0.3	16.7	4.3
Plan3 2	3	2	2	2	3
Best2	3	2	2	2	3	16.7	4.3