Simplifying Multiproject Scheduling Problem Based on Design Structure Matrix and Its Solution by an Improved aiNet Algorithm

Table 4

Clonal mutation operators.

A schedule of parent chromosome
𝑃1(𝑝−𝑟(𝑥))			𝑃2(𝑝−𝑟(𝑦))			𝑃3(𝑝−𝑟(𝑧))
Priority (1)	P riority (2)	Priority (3)	Priority (2)	Priority (1)	P riority (3)	Priority (3)	Priority (1)	Priority (2)
𝑃11𝑀1^∗	𝑃12𝑀2	𝑃13𝑀3^∗	𝑃21𝑀2	𝑃22𝑀3^∗	𝑃23𝑀1	𝑃31𝑀2^∗	𝑃32𝑀1^∗	𝑃33𝑀2
	⇓Mutation operator
	A schedule of offspring chromosome
𝑃1(𝑝−𝑟(𝑦))			𝑃2(𝑝−𝑟(𝑧))			𝑃3(𝑝−𝑟(𝑥))
Priority (3)	Priority (2)	Priority (1)	Priority (2)	Priority (1)	Priority (3)	Priority (1)	Priority (3)	Priority (2)
𝑃11𝑀3	𝑃12𝑀2	𝑃13𝑀2	𝑃21𝑀2	𝑃22𝑀1	𝑃23𝑀1	𝑃31𝑀3	𝑃32𝑀2	𝑃33𝑀1