Selection of Multimode Resource-Constrained Project Scheduling Scheme Based on DEA Method

Table 2

: Parameters used in the proposed model.

Parameter	Meaning
j	Activity number, j = 1, 2, …, J, where J is the total number of activities
	The set of all the activities
M	Activity execute modes
k	Resource number, k = 1, 2, …, K, where K is the total number of types of recourses
	The type of renewable resources
	The type of nonrenewable resources
	The number of renewable resources of type k that can be used in each period
	The number of nonrenewable resources of type k that can be used in each period
	The set of activities immediately preceding activity j
	Duration of activity j
	The quantity of the renewable resources of type k that activity j requires
	The quantity of the nonrenewable resources of type k that activity j requires
	The earliest finish time of activity j
	The latest finish time of activity j
t	Time number, t = 1, 2, …, T, where T is the deadline of the whole project.