Resource Constrained Project Scheduling Subject to Due Dates: Preemption Permitted with Penalty

Table 2

The tuned values for 𝛼 and 𝜂₀.

Number of activities	20	30	40	60	90
𝛼	0.0043	0.0052	0.005	0.0047	0.0047
𝜂0	1.2	1.15	1.35	1.35	1.4