A Three-Stage Optimization Algorithm for the Stochastic Parallel Machine Scheduling Problem with Adjustable Production Rates

Table 1

Illustration of the decoding process in DE.

𝑖	1	2	3	4	5	6	7	8	9
𝑥𝑖	1.80	0.99	2.01	0.72	1.45	2.25	2.30	2.80	1.90
(𝑘,𝜋)	(2,2)	(1,2)	(3,1)	(1,1)	(2,1)	(3,2)	(3,3)	(3,4)	(2,3)